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Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond

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Bird List

Updated ~9 seconds ago
274 All Years 129 This Year 2024 52 This Month Jun 2024
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    Count
    Date
    Observer
    Location

Native and Naturalized (273)

  1. Golden-crowned Sparrow Zonotrichia atricapilla
    # Count: 1
    Date:
    Observer: Christine B
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  2. Canyon Wren Catherpes mexicanus
    # Count: 1
    Date:
    Observer: Patrick Collins
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  3. Red-bellied Woodpecker Melanerpes carolinus
    # Count: 1
    Date:
    Observer: Valentina Roumi
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  4. Rufous Hummingbird Selasphorus rufus
    # Count: 1
    Date:
    Observer: Matthew Harwood
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  5. Cassin's Kingbird Tyrannus vociferans
    # Count: 1
    Date:
    Observer: Chris Petrizzo
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  6. Ovenbird Seiurus aurocapilla
    # Count: 1
    Date:
    Observer: Kim Mauritz
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  7. Prothonotary Warbler Protonotaria citrea
    # Count: 1
    Date:
    Observer: Kim Mauritz
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  8. Red-eyed Vireo Vireo olivaceus
    # Count: 1
    Date:
    Observer: David Smith
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  9. Lewis's Woodpecker Melanerpes lewis
    # Count: 1
    Date:
    Observer: edith israel
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  10. Calliope Hummingbird Selasphorus calliope
    # Count: 1
    Date:
    Observer: Lisa Owens
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  11. Bobolink Dolichonyx oryzivorus
    # Count: 1
    Date:
    Observer: Christian Nunes
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  12. Band-tailed Pigeon Patagioenas fasciata
    # Count: X
    Date:
    Observer: Aaron Shipe
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  13. Least Flycatcher Empidonax minimus
    # Count: 1
    Date:
    Observer: Timo Mitzen
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  14. Indigo Bunting Passerina cyanea
    # Count: 1
    Date:
    Observer: Kim Score
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  15. Cassin's Finch Haemorhous cassinii
    # Count: 2
    Date:
    Observer: Carlos Roberto Chavarria
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  16. Lazuli Bunting Passerina amoena
    # Count: 2
    Date:
    Observer: Ira Sanders
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  17. Black-throated Gray Warbler Setophaga nigrescens
    # Count: 1
    Date:
    Observer: Kim Mauritz
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  18. Black Phoebe Sayornis nigricans
    # Count: 1
    Date:
    Observer: Preston Sowell
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  19. American Goshawk Accipiter atricapillus
    # Count: 1
    Date:
    Observer: Kim Mauritz
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  20. Common Tern Sterna hirundo
    # Count: 1
    Date:
    Observer: Dan Zmolek
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  21. Red Crossbill Loxia curvirostra
    # Count: 5
    Date:
    Observer: Peter Burke
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  22. Tricolored Heron Egretta tricolor
    # Count: 1
    Date:
    Observer: Cheri & Rich Phillips
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  23. Red-necked Grebe Podiceps grisegena
    # Count: 1
    Date:
    Observer: Boulder Bird Club
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  24. Wild Turkey Meleagris gallopavo
    # Count: 1
    Date:
    Observer: Kris Petersen
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  25. Sabine's Gull Xema sabini
    # Count: 1
    Date:
    Observer: David Waltman
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  26. Western Flycatcher Empidonax difficilis
    # Count: 1
    Date:
    Observer: Gary Koehn
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  27. Fox Sparrow Passerella iliaca
    # Count: 1
    Date:
    Observer: David Dowell
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  28. Northern Parula Setophaga americana
    # Count: 1
    Date:
    Observer:
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  29. Glossy Ibis Plegadis falcinellus
    # Count: 1
    Date:
    Observer: Christian Nunes
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  30. Northern Mockingbird Mimus polyglottos
    # Count: X
    Date:
    Observer: Robert Martinez
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  31. Willow Flycatcher Empidonax traillii
    # Count: 1
    Date:
    Observer: Kris Petersen
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  32. Black-chinned Hummingbird Archilochus alexandri
    # Count: 1
    Date:
    Observer: Kris Petersen
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  33. Rock Wren Salpinctes obsoletus
    # Count: 1
    Date:
    Observer: Boulder Bird Club
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  34. Pine Grosbeak Pinicola enucleator
    # Count: X
    Date:
    Observer: edith israel
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  35. Blackpoll Warbler Setophaga striata
    # Count: 1
    Date:
    Observer: Mike Blatchley
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  36. Loggerhead Shrike Lanius ludovicianus
    # Count: 1
    Date:
    Observer: Mike Blatchley
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  37. Vermilion Flycatcher Pyrocephalus rubinus
    # Count: 1
    Date:
    Observer: Roger Linfield
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  38. Short-billed Gull Larus brachyrhynchus
    # Count: 1
    Date:
    Observer: David Waltman
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  39. American Redstart Setophaga ruticilla
    # Count: X
    Date:
    Observer: Boulder Bird Club
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  40. Red Phalarope Phalaropus fulicarius
    # Count: X
    Date:
    Observer: Eric Zorawowicz
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  41. Stilt Sandpiper Calidris himantopus
    # Count: X
    Date:
    Observer: Eric Zorawowicz
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  42. White-rumped Sandpiper Calidris fuscicollis
    # Count: 5
    Date:
    Observer: Bill Schmoker
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  43. Least Tern Sternula antillarum
    # Count: 1
    Date:
    Observer: Bill Schmoker
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  44. White-throated Swift Aeronautes saxatalis
    # Count: 1
    Date:
    Observer: Kris Petersen
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  45. Bohemian Waxwing Bombycilla garrulus
    # Count: X
    Date:
    Observer: Boulder Bird Club
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  46. Short-billed Dowitcher Limnodromus griseus
    # Count: 1
    Date:
    Observer: Mike Blatchley
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  47. Olive-sided Flycatcher Contopus cooperi
    # Count: X
    Date:
    Observer: Eric Zorawowicz
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  48. Baltimore Oriole Icterus galbula
    # Count: X
    Date:
    Observer: Eric Zorawowicz
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  49. Tennessee Warbler Leiothlypis peregrina
    # Count: X
    Date:
    Observer: Eric Zorawowicz
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  50. Eurasian Collared-Dove Streptopelia decaocto
    # Count: X
    Date:
    Observer: Eric Zorawowicz
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  51. Barn Owl Tyto alba
    # Count: 1
    Date:
    Observer: Bill Schmoker
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  52. Northern Saw-whet Owl Aegolius acadicus
    # Count: 1
    Date:
    Observer: Bill Schmoker
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  53. Nashville Warbler Leiothlypis ruficapilla
    # Count: 1
    Date:
    Observer: Bob Zilly
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  54. Cassin's Vireo Vireo cassinii
    # Count: 1
    Date:
    Observer: Bill Tweit
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  55. Western Cattle Egret Bubulcus ibis
    # Count: 1
    Date:
    Observer: Alexander Brown
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  56. Sandhill Crane Antigone canadensis
    # Count: X
    Date:
    Observer: Eric Zorawowicz
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  57. Least Bittern Ixobrychus exilis
    # Count: X
    Date:
    Observer: Eric Zorawowicz
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  58. Lesser Black-backed Gull Larus fuscus
    # Count: X
    Date:
    Observer: Eric Zorawowicz
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  59. Cackling Goose Branta hutchinsii
    # Count: X
    Date:
    Observer: Eric Zorawowicz
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  60. Palm Warbler Setophaga palmarum
    # Count: X
    Date:
    Observer: Eric Zorawowicz
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  61. Chestnut-sided Warbler Setophaga pensylvanica
    # Count: X
    Date:
    Observer: Eric Zorawowicz
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  62. Ash-throated Flycatcher Myiarchus cinerascens
    # Count: X
    Date:
    Observer: Eric Zorawowicz
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  63. Northern Waterthrush Parkesia noveboracensis
    # Count: X
    Date:
    Observer: Eric Zorawowicz
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  64. Eastern Screech-Owl Megascops asio
    # Count: 1
    Date:
    Observer: David Waltman
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  65. Red-breasted Merganser Mergus serrator
    # Count: X
    Date:
    Observer: Loch Kilpatrick
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  66. White-throated Sparrow Zonotrichia albicollis
    # Count: X
    Date:
    Observer: Eric Zorawowicz
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  67. Yellow-billed Cuckoo Coccyzus americanus
    # Count: 1
    Date:
    Observer: David Waltman
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  68. Plumbeous Vireo Vireo plumbeus
    # Count: X
    Date:
    Observer: Eric Zorawowicz
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  69. Black-and-white Warbler Mniotilta varia
    # Count: X
    Date:
    Observer: Eric Zorawowicz
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  70. Common Nighthawk Chordeiles minor
    # Count: X
    Date:
    Observer: Loch Kilpatrick
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  71. Sanderling Calidris alba
    # Count: X
    Date:
    Observer: Eric Zorawowicz
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  72. Chimney Swift Chaetura pelagica
    # Count: 3
    Date:
    Observer: Tommie Rogers
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  73. Broad-winged Hawk Buteo platypterus
    # Count: 1
    Date:
    Observer: Tommie Rogers
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  74. Hammond's Flycatcher Empidonax hammondii
    # Count: 1
    Date:
    Observer: Tommie Rogers
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  75. Brown Thrasher Toxostoma rufum
    # Count: 1
    Date:
    Observer: Tommie Rogers
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  76. Swainson's Thrush Catharus ustulatus
    # Count: 1
    Date:
    Observer: Tommie Rogers
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  77. Marbled Godwit Limosa fedoa
    # Count: X
    Date:
    Observer: Eric Zorawowicz
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  78. Sage Thrasher Oreoscoptes montanus
    # Count: X
    Date:
    Observer: Eric Zorawowicz
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  79. Trumpeter Swan Cygnus buccinator
    # Count: X
    Date:
    Observer: Eric Zorawowicz
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  80. Rusty Blackbird Euphagus carolinus
    # Count: X
    Date:
    Observer: Norm Lewis
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  81. Orchard Oriole Icterus spurius
    # Count: X
    Date:
    Observer: Eric Zorawowicz
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  82. Veery Catharus fuscescens
    # Count: X
    Date:
    Observer: Eric Zorawowicz
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  83. Blue Grosbeak Passerina caerulea
    # Count: X
    Date:
    Observer: Eric Zorawowicz
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  84. Common Loon Gavia immer
    # Count: X
    Date:
    Observer: Boulder Bird Club
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  85. Red-necked Phalarope Phalaropus lobatus
    # Count: X
    Date:
    Observer: Eric Zorawowicz
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  86. Blue-gray Gnatcatcher Polioptila caerulea
    # Count: X
    Date:
    Observer: Eric Zorawowicz
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  87. Pectoral Sandpiper Calidris melanotos
    # Count: X
    Date:
    Observer: Eric Zorawowicz
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  88. White-winged Dove Zenaida asiatica
    # Count: X
    Date:
    Observer: Boulder Bird Club
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  89. Semipalmated Sandpiper Calidris pusilla
    # Count: 1
    Date:
    Observer: David Waltman
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  90. Green-tailed Towhee Pipilo chlorurus
    # Count: X
    Date:
    Observer: Eric Zorawowicz
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  91. Cooper's Hawk Accipiter cooperii
    # Count: X
    Date:
    Observer: Boulder Bird Club
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  92. Peregrine Falcon Falco peregrinus
    # Count: X
    Date:
    Observer: Boulder Bird Club
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  93. Say's Phoebe Sayornis saya
    # Count: X
    Date:
    Observer: Boulder Bird Club
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  94. Hermit Thrush Catharus guttatus
    # Count: X
    Date:
    Observer: Boulder Bird Club
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  95. Vesper Sparrow Pooecetes gramineus
    # Count: X
    Date:
    Observer: Boulder Bird Club
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  96. Bushtit Psaltriparus minimus
    # Count: X
    Date:
    Observer: Eric Zorawowicz
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  97. Snow Goose Anser caerulescens
    # Count: 1
    Date:
    Observer: Alexander Brown
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  98. Evening Grosbeak Coccothraustes vespertinus
    # Count: X
    Date:
    Observer: Eric Zorawowicz
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  99. Horned Lark Eremophila alpestris
    # Count: X
    Date:
    Observer: Eric Zorawowicz
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  100. Ruby-crowned Kinglet Corthylio calendula
    # Count: X
    Date:
    Observer: Eric Zorawowicz
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  101. Townsend's Warbler Setophaga townsendi
    # Count: X
    Date:
    Observer: Eric Zorawowicz
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  102. Least Sandpiper Calidris minutilla
    # Count: X
    Date:
    Observer: Eric Zorawowicz
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  103. Clark's Grebe Aechmophorus clarkii
    # Count: X
    Date:
    Observer: Boulder Bird Club
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  104. Yellow-breasted Chat Icteria virens
    # Count: 1
    Date:
    Observer: Jack Kelly
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  105. Eastern Bluebird Sialia sialis
    # Count: 4
    Date:
    Observer: Loch Kilpatrick
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  106. Prairie Falcon Falco mexicanus
    # Count: X
    Date:
    Observer: Loch Kilpatrick
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  107. Merlin Falco columbarius
    # Count: X
    Date:
    Observer: Eric Zorawowicz
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  108. Mountain Bluebird Sialia currucoides
    # Count: X
    Date:
    Observer: Eric Zorawowicz
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  109. Yellow-crowned Night Heron Nyctanassa violacea
    # Count: X
    Date:
    Observer: Eric Zorawowicz
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  110. Savannah Sparrow Passerculus sandwichensis
    # Count: X
    Date:
    Observer: Eric Zorawowicz
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  111. Black-throated Sparrow Amphispiza bilineata
    # Count: X
    Date:
    Observer: Eric Zorawowicz
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  112. Western Tanager Piranga ludoviciana
    # Count: X
    Date:
    Observer: Eric Zorawowicz
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  113. Whimbrel Numenius phaeopus
    # Count: X
    Date:
    Observer: Loch Kilpatrick
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  114. Long-billed Dowitcher Limnodromus scolopaceus
    # Count: X
    Date:
    Observer: Eric Zorawowicz
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  115. Dusky Flycatcher Empidonax oberholseri
    # Count: X
    Date:
    Observer: Loch Kilpatrick
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  116. Eastern Phoebe Sayornis phoebe
    # Count: X
    Date:
    Observer: Loch Kilpatrick
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  117. Gray Catbird Dumetella carolinensis
    # Count: 2
    Date:
    Observer: Loch Kilpatrick
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  118. Little Blue Heron Egretta caerulea
    # Count: 1
    Date:
    Observer: Jonathan Bowser
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  119. Semipalmated Plover Charadrius semipalmatus
    # Count: X
    Date:
    Observer: Eric Zorawowicz
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  120. Caspian Tern Hydroprogne caspia
    # Count: X
    Date:
    Observer: Eric Zorawowicz
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  121. Black-necked Stilt Himantopus mexicanus
    # Count: X
    Date:
    Observer: Norm Lewis
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  122. American Pipit Anthus rubescens
    # Count: X
    Date:
    Observer: Eric Zorawowicz
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  123. Great-tailed Grackle Quiscalus mexicanus
    # Count: X
    Date:
    Observer: Eric Zorawowicz
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  124. Western Bluebird Sialia mexicana
    # Count: X
    Date:
    Observer: Eric Zorawowicz
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  125. Sagebrush Sparrow Artemisiospiza nevadensis
    # Count: X
    Date:
    Observer: Eric Zorawowicz
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  126. Woodhouse's Scrub-Jay Aphelocoma woodhouseii
    # Count: X
    Date:
    Observer: Eric Zorawowicz
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  127. Swamp Sparrow Melospiza georgiana
    # Count: X
    Date:
    Observer: Eric Zorawowicz
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  128. Rough-legged Hawk Buteo lagopus
    # Count: X
    Date:
    Observer: Eric Zorawowicz
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  129. Black Scoter Melanitta americana
    # Count: 1
    Date:
    Observer: William Kaempfer
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  130. Tundra Swan Cygnus columbianus
    # Count: X
    Date:
    Observer: Eric Zorawowicz
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  131. Townsend's Solitaire Myadestes townsendi
    # Count: X
    Date:
    Observer: Eric Zorawowicz
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  132. Black-headed Grosbeak Pheucticus melanocephalus
    # Count: X
    Date:
    Observer: Eric Zorawowicz
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  133. Broad-tailed Hummingbird Selasphorus platycercus
    # Count: X
    Date:
    Observer: Loch Kilpatrick
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  134. Eastern Wood-Pewee Contopus virens
    # Count: 1
    Date:
    Observer: Bill Tweit
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  135. Osprey Pandion haliaetus
    # Count: X
    Date:
    Observer: Loch Kilpatrick
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  136. Willet Tringa semipalmata
    # Count: 3
    Date:
    Observer: Loch Kilpatrick
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  137. Baird's Sandpiper Calidris bairdii
    # Count: 3
    Date:
    Observer: Loch Kilpatrick
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  138. Brown Creeper Certhia americana
    # Count: 3
    Date:
    Observer: Loch Kilpatrick
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  139. Great Horned Owl Bubo virginianus
    # Count: 2
    Date:
    Observer: Loch Kilpatrick
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  140. Winter Wren Troglodytes hiemalis
    # Count: X
    Date:
    Observer: Loch Kilpatrick
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  141. Black Tern Chlidonias niger
    # Count: X
    Date:
    Observer: Bill Tweit
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  142. Western Wood-Pewee Contopus sordidulus
    # Count: X
    Date:
    Observer: Bill Tweit
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  143. Rose-breasted Grosbeak Pheucticus ludovicianus
    # Count: 1
    Date:
    Observer: Bill Tweit
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  144. Lesser Goldfinch Spinus psaltria
    # Count: 2
    Date:
    Observer: Loch Kilpatrick
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  145. Greater Scaup Aythya marila
    # Count: 15
    Date:
    Observer: Matthew Louder
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  146. Tufted Duck Aythya fuligula
    # Count: 1
    Date:
    Observer: John Vanderpoel
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  147. Harris's Sparrow Zonotrichia querula
    # Count: 1
    Date:
    Observer: Alexander Brown
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  148. Chipping Sparrow Spizella passerina
    # Count: X
    Date:
    Observer: Norm Lewis
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  149. Western Kingbird Tyrannus verticalis
    # Count: 5
    Date:
    Observer: Loch Kilpatrick
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  150. Swainson's Hawk Buteo swainsoni
    # Count: X
    Date:
    Observer: Loch Kilpatrick
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  151. Greater White-fronted Goose Anser albifrons
    # Count: 1
    Date:
    Observer: Bruce Young
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  152. Virginia Rail Rallus limicola
    # Count: 1
    Date:
    Observer: Alexander Brown
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  153. Bald Eagle Haliaeetus leucocephalus
    # Count: 2
    Date:
    Observer: Alexander Brown
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  154. Northern Shrike Lanius borealis
    # Count: 1
    Date:
    Observer: Alexander Brown
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  155. American Dipper Cinclus mexicanus
    # Count: 3
    Date:
    Observer: Alexander Brown
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  156. Yellow-rumped Warbler Setophaga coronata
    # Count: 1
    Date:
    Observer: Alexander Brown
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  157. Steller's Jay Cyanocitta stelleri
    # Count: X
    Date:
    Observer: Bruce Young
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  158. Mountain Chickadee Poecile gambeli
    # Count: X
    Date:
    Observer: Bruce Young
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  159. Pygmy Nuthatch Sitta pygmaea
    # Count: X
    Date:
    Observer: Bruce Young
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  160. Red-breasted Nuthatch Sitta canadensis
    # Count: X
    Date:
    Observer: Bill Tweit
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  161. Pine Siskin Spinus pinus
    # Count: X
    Date:
    Observer: Bill Tweit
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  162. Clay-colored Sparrow Spizella pallida
    # Count: 2
    Date:
    Observer: Bill Tweit
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  163. Brewer's Sparrow Spizella breweri
    # Count: 1
    Date:
    Observer: Bill Tweit
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  164. Lincoln's Sparrow Melospiza lincolnii
    # Count: 2
    Date:
    Observer: Bill Tweit
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  165. Orange-crowned Warbler Leiothlypis celata
    # Count: 40
    Date:
    Observer: Bill Tweit
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  166. Virginia's Warbler Leiothlypis virginiae
    # Count: 1
    Date:
    Observer: Bill Tweit
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  167. Wilson's Warbler Cardellina pusilla
    # Count: 4
    Date:
    Observer: Bill Tweit
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  168. Golden Eagle Aquila chrysaetos
    # Count: X
    Date:
    Observer: Loch Kilpatrick
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  169. Turkey Vulture Cathartes aura
    # Count: X
    Date:
    Observer: Norm Lewis
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  170. Brown-headed Cowbird Molothrus ater
    # Count: X
    Date:
    Observer: Norm Lewis
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  171. Great Egret Ardea alba
    # Count: X
    Date:
    Observer: Bill Tweit
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  172. Warbling Vireo Vireo gilvus
    # Count: X
    Date:
    Observer: Bill Tweit
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  173. Cedar Waxwing Bombycilla cedrorum
    # Count: X
    Date:
    Observer: Bill Tweit
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  174. Bullock's Oriole Icterus bullockii
    # Count: X
    Date:
    Observer: Bill Tweit
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  175. Yellow Warbler Setophaga petechia
    # Count: X
    Date:
    Observer: Bill Tweit
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  176. Sharp-shinned Hawk Accipiter striatus
    # Count: 1
    Date:
    Observer: Alexander Brown
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  177. White-breasted Nuthatch Sitta carolinensis
    # Count: X
    Date:
    Observer: Norm Lewis
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  178. Marsh Wren Cistothorus palustris
    # Count: X
    Date:
    Observer: Norm Lewis
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  179. Spotted Towhee Pipilo maculatus
    # Count: X
    Date:
    Observer: Cyndy Johnson
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  180. Forster's Tern Sterna forsteri
    # Count: X
    Date:
    Observer: William Kaempfer
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  181. Sora Porzana carolina
    # Count: 1
    Date:
    Observer: Alexander Brown
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  182. Brewer's Blackbird Euphagus cyanocephalus
    # Count: 1
    Date:
    Observer: Alexander Brown
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  183. Northern Rough-winged Swallow Stelgidopteryx serripennis
    # Count: X
    Date:
    Observer: Cyndy Johnson
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  184. House Wren Troglodytes aedon
    # Count: X
    Date:
    Observer: Cyndy Johnson
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  185. Ross's Goose Anser rossii
    # Count: 1
    Date:
    Observer: Alexander Brown
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  186. Bonaparte's Gull Chroicocephalus philadelphia
    # Count: 1
    Date:
    Observer: Alexander Brown
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  187. American Avocet Recurvirostra americana
    # Count: 2
    Date:
    Observer: Thomas Kihn
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  188. American Crow Corvus brachyrhynchos
    # Count: X
    Date:
    Observer: Norm Lewis
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  189. Dark-eyed Junco Junco hyemalis
    # Count: X
    Date:
    Observer: Norm Lewis
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  190. Wood Duck Aix sponsa
    # Count: 5
    Date:
    Observer: Alexander Brown
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  191. Hairy Woodpecker Dryobates villosus
    # Count: 1
    Date:
    Observer: Alexander Brown
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  192. American Goldfinch Spinus tristis
    # Count: 12
    Date:
    Observer: Alexander Brown
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  193. White-crowned Sparrow Zonotrichia leucophrys
    # Count: 15
    Date:
    Observer: Alexander Brown
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  194. American Bittern Botaurus lentiginosus
    # Count: 1
    Date:
    Observer: Alexander Brown
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  195. Violet-green Swallow Tachycineta thalassina
    # Count: 5
    Date:
    Observer: Alexander Brown
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  196. House Sparrow Passer domesticus
    # Count: 1
    Date:
    Observer: Alexander Brown
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  197. Lark Sparrow Chondestes grammacus
    # Count: 1
    Date:
    Observer: Alexander Brown
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  198. Eared Grebe Podiceps nigricollis
    # Count: 1
    Date:
    Observer: Alexander Brown
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  199. Western Sandpiper Calidris mauri
    # Count: 5
    Date:
    Observer: Alexander Brown
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  200. White-faced Ibis Plegadis chihi
    # Count: 110
    Date:
    Observer: Alexander Brown
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  201. Bank Swallow Riparia riparia
    # Count: 5
    Date:
    Observer: Alexander Brown
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  202. Canvasback Aythya valisineria
    # Count: 2
    Date:
    Observer: Alexander Brown
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  203. Great Black-backed Gull Larus marinus
    # Count: 1
    Date:
    Observer: Peter Gent
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  204. Barrow's Goldeneye Bucephala islandica
    # Count: 1
    Date:
    Observer: William Kaempfer
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  205. Glaucous Gull Larus hyperboreus
    # Count: 2
    Date:
    Observer: William Kaempfer
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  206. California Gull Larus californicus
    # Count: 4
    Date:
    Observer: William Kaempfer
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  207. American Tree Sparrow Spizelloides arborea
    # Count: 2
    Date:
    Observer: William Kaempfer
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  208. Common Raven Corvus corax
    # Count: 5
    Date:
    Observer: Van Remsen
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  209. Hooded Merganser Lophodytes cucullatus
    # Count: 1
    Date:
    Observer: Alex Cruz Jr 🦤
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  210. MacGillivray's Warbler Geothlypis tolmiei
    # Count: 1
    Date:
    Observer: Alexander Brown
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  211. Mourning Dove Zenaida macroura
    # Count: 12
    Date:
    Observer: Alex Cruz Jr 🦤
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  212. Wilson's Snipe Gallinago delicata
    # Count: 34
    Date:
    Observer: Alex Cruz Jr 🦤
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  213. Spotted Sandpiper Actitis macularius
    # Count: 2
    Date:
    Observer: Alex Cruz Jr 🦤
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  214. Solitary Sandpiper Tringa solitaria
    # Count: 2
    Date:
    Observer: Alex Cruz Jr 🦤
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  215. Black-crowned Night Heron Nycticorax nycticorax
    # Count: 6
    Date:
    Observer: Alex Cruz Jr 🦤
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  216. Green Heron Butorides virescens
    # Count: 1
    Date:
    Observer: Alex Cruz Jr 🦤
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  217. House Finch Haemorhous mexicanus
    # Count: 1
    Date:
    Observer: Alex Cruz Jr 🦤
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  218. Wilson's Phalarope Phalaropus tricolor
    # Count: 1
    Date:
    Observer: Alex Cruz Jr 🦤
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  219. Lesser Yellowlegs Tringa flavipes
    # Count: 2
    Date:
    Observer: Alex Cruz Jr 🦤
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  220. Greater Yellowlegs Tringa melanoleuca
    # Count: 5
    Date:
    Observer: Alex Cruz Jr 🦤
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  221. Double-crested Cormorant Nannopterum auritum
    # Count: 5
    Date:
    Observer: Alex Cruz Jr 🦤
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  222. American White Pelican Pelecanus erythrorhynchos
    # Count: 4
    Date:
    Observer: Alex Cruz Jr 🦤
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  223. Downy Woodpecker Dryobates pubescens
    # Count: 1
    Date:
    Observer: Alex Cruz Jr 🦤
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  224. Eastern Kingbird Tyrannus tyrannus
    # Count: 1
    Date:
    Observer: Alex Cruz Jr 🦤
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  225. Cliff Swallow Petrochelidon pyrrhonota
    # Count: 50
    Date:
    Observer: Alex Cruz Jr 🦤
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  226. Lark Bunting Calamospiza melanocorys
    # Count: 1
    Date:
    Observer: Alex Cruz Jr 🦤
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  227. Common Grackle Quiscalus quiscula
    # Count: 80
    Date:
    Observer: Alex Cruz Jr 🦤
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  228. Common Yellowthroat Geothlypis trichas
    # Count: 2
    Date:
    Observer: Alex Cruz Jr 🦤
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  229. Iceland Gull Larus glaucoides
    # Count: 1
    Date:
    Observer: Laurens Halsey
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  230. Common Merganser Mergus merganser
    # Count: 3
    Date:
    Observer: Laurens Halsey
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  231. Herring Gull Larus argentatus
    # Count: 1
    Date:
    Observer: Laurens Halsey
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  232. Ruddy Duck Oxyura jamaicensis
    # Count: 5
    Date:
    Observer: Laurens Halsey
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  233. Barn Swallow Hirundo rustica
    # Count: 1
    Date:
    Observer: Laurens Halsey
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  234. Yellow-headed Blackbird Xanthocephalus xanthocephalus
    # Count: 30
    Date:
    Observer: Laurens Halsey
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  235. Franklin's Gull Leucophaeus pipixcan
    # Count: 2
    Date:
    Observer: Laurens Halsey
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  236. Horned Grebe Podiceps auritus
    # Count: 1
    Date:
    Observer: Laurens Halsey
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  237. Cinnamon Teal Spatula cyanoptera
    # Count: 6
    Date:
    Observer: Laurens Halsey
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  238. Mallard Anas platyrhynchos
    # Count: 1
    Date:
    Observer: Laurens Halsey
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  239. Lesser Scaup Aythya affinis
    # Count: 50
    Date:
    Observer: Laurens Halsey
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  240. Rock Pigeon Columba livia
    # Count: 10
    Date:
    Observer: Laurens Halsey
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  241. Ring-billed Gull Larus delawarensis
    # Count: 10
    Date:
    Observer: Laurens Halsey
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  242. Great Blue Heron Ardea herodias
    # Count: 1
    Date:
    Observer: Laurens Halsey
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  243. Ferruginous Hawk Buteo regalis
    # Count: 2
    Date:
    Observer: Laurens Halsey
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  244. Northern Pintail Anas acuta
    # Count: 4
    Date:
    Observer: Dan Ely
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  245. Bufflehead Bucephala albeola
    # Count: 4
    Date:
    Observer: Dan Ely
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  246. Snowy Egret Egretta thula
    # Count: 2
    Date:
    Observer: Dan Ely
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  247. Canada Goose Branta canadensis
    # Count: X
    Date:
    Observer: Adelia Honeywood
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  248. Gadwall Mareca strepera
    # Count: X
    Date:
    Observer: Adelia Honeywood
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  249. Redhead Aythya americana
    # Count: X
    Date:
    Observer: Adelia Honeywood
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  250. Ring-necked Duck Aythya collaris
    # Count: X
    Date:
    Observer: Adelia Honeywood
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  251. Common Goldeneye Bucephala clangula
    # Count: X
    Date:
    Observer: Adelia Honeywood
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  252. American Coot Fulica americana
    # Count: X
    Date:
    Observer: Adelia Honeywood
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  253. Killdeer Charadrius vociferus
    # Count: X
    Date:
    Observer: Adelia Honeywood
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  254. Northern Harrier Circus hudsonius
    # Count: X
    Date:
    Observer: Adelia Honeywood
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  255. Red-tailed Hawk Buteo jamaicensis
    # Count: X
    Date:
    Observer: Adelia Honeywood
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  256. Belted Kingfisher Megaceryle alcyon
    # Count: X
    Date:
    Observer: Adelia Honeywood
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  257. American Kestrel Falco sparverius
    # Count: X
    Date:
    Observer: Adelia Honeywood
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  258. Blue Jay Cyanocitta cristata
    # Count: X
    Date:
    Observer: Adelia Honeywood
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  259. Black-billed Magpie Pica hudsonia
    # Count: X
    Date:
    Observer: Adelia Honeywood
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  260. Black-capped Chickadee Poecile atricapillus
    # Count: X
    Date:
    Observer: Adelia Honeywood
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  261. European Starling Sturnus vulgaris
    # Count: X
    Date:
    Observer: Adelia Honeywood
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  262. American Robin Turdus migratorius
    # Count: X
    Date:
    Observer: Adelia Honeywood
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  263. Song Sparrow Melospiza melodia
    # Count: X
    Date:
    Observer: Adelia Honeywood
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  264. Western Meadowlark Sturnella neglecta
    # Count: X
    Date:
    Observer: Adelia Honeywood
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  265. Red-winged Blackbird Agelaius phoeniceus
    # Count: X
    Date:
    Observer: Adelia Honeywood
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  266. Northern Flicker Colaptes auratus
    # Count: 1
    Date:
    Observer: Dan Ely
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  267. Blue-winged Teal Spatula discors
    # Count: 5
    Date:
    Observer: Dan Ely
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  268. Northern Shoveler Spatula clypeata
    # Count: 3
    Date:
    Observer: Dan Ely
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  269. Green-winged Teal Anas crecca
    # Count: 5
    Date:
    Observer: Dan Ely
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  270. Pied-billed Grebe Podilymbus podiceps
    # Count: 10
    Date:
    Observer: Dan Ely
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  271. Western Grebe Aechmophorus occidentalis
    # Count: 3
    Date:
    Observer: Dan Ely
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  272. American Wigeon Mareca americana
    # Count: 10
    Date:
    Observer: Dan Ely
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  273. Tree Swallow Tachycineta bicolor
    # Count: 10
    Date:
    Observer: Dan Ely
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond

Exotic: Provisional (1)

  1. Ring-necked Pheasant Phasianus colchicus
    # Count: X
    Date:
    Observer: Clint Jones
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond

Exotic: Escapee (2)

  1. Indian Peafowl Pavo cristatus
    # Count: 1
    Date:
    Observer: Patrick Morgan
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  2. Graylag Goose Anser anser
    # Count: 2
    Date:
    Observer: Eric DeFonso 🦑
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond

Hybrids (3)

  1. Graylag x Canada Goose (hybrid) Anser anser x Branta canadensis
    # Count: 1
    Date:
    Observer: Trevor Hartwig
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  2. American Wigeon x Green-winged Teal (hybrid) Mareca americana x Anas crecca
    # Count: 1
    Date:
    Observer: Mike Blatchley
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  3. Blue-winged x Cinnamon Teal (hybrid) Spatula discors x cyanoptera
    # Count: X
    Date:
    Observer: Boulder Bird Club
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond

Additional Taxa (77)

  1. Domestic goose sp. (Domestic type) Anser sp. (Domestic type)
    # Count: 1
    Date:
    Observer: Scott Rashid
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  2. goose sp. Anatidae (goose sp.)
    # Count: 1
    Date:
    Observer: Tom Crock
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  3. Downy/Hairy Woodpecker Dryobates pubescens/villosus
    # Count: 1
    Date:
    Observer: Jeff Percell
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  4. Buteo/eagle sp. Buteo/eagle sp.
    # Count: 1
    Date:
    Observer: Jeff Percell
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  5. vireo sp. Vireo sp.
    # Count: 1
    Date:
    Observer: Ben Sampson
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  6. Gray/Dusky Flycatcher Empidonax wrightii/oberholseri
    # Count: 1
    Date:
    Observer: David Smith
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  7. Yellow-billed/Black-billed Cuckoo Coccyzus americanus/erythropthalmus
    # Count: 1
    Date:
    Observer: Christopher Curwen
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  8. Alder/Willow Flycatcher (Traill's Flycatcher) Empidonax alnorum/traillii
    # Count: 1
    Date:
    Observer: David Smith
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  9. plover sp. Charadriidae sp.
    # Count: 1
    Date:
    Observer: Benjamin Davidson
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  10. Golden/Bald Eagle Aquila chrysaetos/Haliaeetus leucocephalus
    # Count: 2
    Date:
    Observer: Steve Roels
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  11. Loggerhead/Northern Shrike Lanius ludovicianus/borealis
    # Count: 1
    Date:
    Observer: Peter Burke
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  12. Ruby-throated/Black-chinned Hummingbird Archilochus colubris/alexandri
    # Count: 1
    Date:
    Observer: Anonymous eBirder
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  13. Double-crested/Neotropic Cormorant Nannopterum auritum/brasilianum
    # Count: 1
    Date:
    Observer: Lisa Brin
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  14. Mallard/Mexican Duck Anas platyrhynchos/diazi
    # Count: 6
    Date:
    Observer: Earl Johnson
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  15. Sturnella meadowlark sp. Sturnella sp.
    # Count: 7
    Date:
    Observer: Boulder Bird Club
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  16. Black-capped/Mountain Chickadee Poecile atricapillus/gambeli
    # Count: 1
    Date:
    Observer: Keith Leland
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  17. new world oriole sp. Icterus sp.
    # Count: 1
    Date:
    Observer: Daniel Myers
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  18. phalarope sp. Phalaropus sp.
    # Count: 1
    Date:
    Observer: Lynne Forrester
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  19. Tree/Violet-green Swallow Tachycineta bicolor/thalassina
    # Count: 24
    Date:
    Observer: Peter Burke
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  20. pigeon/dove sp. Columbidae sp.
    # Count: 1
    Date:
    Observer: Catherine Labio
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  21. white egret sp. Egretta/Bubulcus/Ardea sp.
    # Count: 1
    Date:
    Observer: Jack Bushong
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  22. new world flycatcher sp. Tyrannidae sp.
    # Count: 1
    Date:
    Observer: Greg Goodson
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  23. wren sp. Troglodytidae sp.
    # Count: 1
    Date:
    Observer: Laura Unfried
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  24. grebe sp. Podicipedidae sp.
    # Count: 1
    Date:
    Observer: Debra Kriensky
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  25. diurnal raptor sp. Accipitriformes/Falconiformes sp.
    # Count: 2
    Date:
    Observer: willem van vliet-
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  26. Aythya sp. Aythya sp.
    # Count: 1
    Date:
    Observer: Ted Floyd
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  27. Common/Red-breasted Merganser Mergus merganser/serrator
    # Count: 2
    Date:
    Observer: Catherine Labio
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  28. hawk sp. Accipitridae sp. (hawk sp.)
    # Count: 1
    Date:
    Observer: Catherine Labio
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  29. Spizella sp./American Tree Sparrow Spizella/Spizelloides sp.
    # Count: 4
    Date:
    Observer: Dane Houser
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  30. raven sp. Corvus sp. (raven sp.)
    # Count: 4
    Date:
    Observer: Jack Bushong
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  31. crow/raven sp. Corvus sp.
    # Count: 1
    Date:
    Observer: Sue Keaveney
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  32. owl sp. Strigiformes sp.
    # Count: 1
    Date:
    Observer: Jeff Parks
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  33. Empidonax sp. Empidonax sp.
    # Count: 1
    Date:
    Observer: ryanjack Bushong
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  34. phoebe sp. Sayornis sp.
    # Count: 1
    Date:
    Observer: Karen Prisby
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  35. swift sp. Apodidae sp.
    # Count: 1
    Date:
    Observer: Matt Hofeditz
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  36. falcon sp. Falco sp.
    # Count: 1
    Date:
    Observer: Lark Latch
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  37. woodpecker sp. Picidae sp.
    # Count: 1
    Date:
    Observer: Holden Maxfield
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  38. shorebird sp. Charadriiformes sp.
    # Count: 1
    Date:
    Observer: ryanjack Bushong
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  39. Glossy/White-faced Ibis Plegadis falcinellus/chihi
    # Count: 1
    Date:
    Observer: David Dowell
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  40. Bullock's/Baltimore Oriole Icterus bullockii/galbula
    # Count: 1
    Date:
    Observer: Holden Maxfield
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  41. passerine sp. Passeriformes sp.
    # Count: 1
    Date:
    Observer: Holden Maxfield
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  42. blackbird sp. Icteridae sp.
    # Count: X
    Date:
    Observer: ryanjack Bushong
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  43. merganser sp. Mergellus/Lophodytes/Mergus sp.
    # Count: 2
    Date:
    Observer: Holden Maxfield
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  44. Larus sp. Larus sp.
    # Count: 22
    Date:
    Observer: Holden Maxfield
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  45. Western/Eastern Wood-Pewee Contopus sordidulus/virens
    # Count: 4
    Date:
    Observer: Boulder Bird Club
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  46. dabbling duck sp. Anatidae sp. (dabbling duck sp.)
    # Count: 5
    Date:
    Observer: MC Miles
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  47. Horned/Eared Grebe Podiceps auritus/nigricollis
    # Count: 1
    Date:
    Observer: Ruth Stewart
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  48. Lesser/Greater Yellowlegs Tringa flavipes/melanoleuca
    # Count: 1
    Date:
    Observer: Sue Crawford
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  49. shrike sp. Lanius sp.
    # Count: 1
    Date:
    Observer: Ted Zukoski
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  50. finch sp. Fringillidae sp.
    # Count: 1
    Date:
    Observer: Anonymous eBirder
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  51. Snow/Ross's Goose Anser caerulescens/rossii
    # Count: 3
    Date:
    Observer: Boulder Bird Club
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  52. Trumpeter/Tundra Swan Cygnus buccinator/columbianus
    # Count: 1
    Date:
    Observer: Steve Frye
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  53. Sharp-shinned/Cooper's Hawk Accipiter striatus/cooperii
    # Count: 1
    Date:
    Observer: Luis "Beto" Matheus
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  54. Blue-winged/Cinnamon Teal Spatula discors/cyanoptera
    # Count: 5
    Date:
    Observer: Scott Severs
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  55. Cassin's/Plumbeous Vireo Vireo cassinii/plumbeus
    # Count: X
    Date:
    Observer: Boulder Bird Club
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  56. Spizella sp. Spizella sp.
    # Count: 1
    Date:
    Observer: Boulder Bird Club
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  57. eagle sp. Accipitridae sp. (eagle sp.)
    # Count: 1
    Date:
    Observer:
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  58. new world sparrow sp. Passerellidae sp.
    # Count: 1
    Date:
    Observer:
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  59. new world warbler sp. Parulidae sp.
    # Count: 4
    Date:
    Observer:
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  60. large falcon sp. Falco sp. (large falcon sp.)
    # Count: 1
    Date:
    Observer: Christian Nunes
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  61. teal sp. Anatidae sp. (teal sp.)
    # Count: 2
    Date:
    Observer: Boulder Bird Club
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  62. Western/Clark's Grebe Aechmophorus occidentalis/clarkii
    # Count: 2
    Date:
    Observer: Silvia Mioc
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  63. Rusty/Brewer's Blackbird Euphagus carolinus/cyanocephalus
    # Count: X
    Date:
    Observer: Boulder Bird Club
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  64. Accipiter sp. Accipiter sp.
    # Count: 1
    Date:
    Observer: Dan Downs
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  65. hummingbird sp. Trochilidae sp.
    # Count: 1
    Date:
    Observer: Bob Zilly
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  66. peep sp. Calidris sp. (peep sp.)
    # Count: 6
    Date:
    Observer: Bob Zilly
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  67. swallow sp. Hirundinidae sp.
    # Count: 2
    Date:
    Observer: Derek Richardson
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  68. Western/Semipalmated Sandpiper Calidris mauri/pusilla
    # Count: X
    Date:
    Observer: Boulder Bird Club
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  69. Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceus
    # Count: X
    Date:
    Observer: jackie Weller
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  70. Greater/Lesser Scaup Aythya marila/affinis
    # Count: X
    Date:
    Observer: Boulder Bird Club
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  71. Common/Barrow's Goldeneye Bucephala clangula/islandica
    # Count: X
    Date:
    Observer: Boulder Bird Club
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  72. Rose-breasted/Black-headed Grosbeak Pheucticus ludovicianus/melanocephalus
    # Count: X
    Date:
    Observer: Boulder Bird Club
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  73. Pacific/Winter Wren Troglodytes pacificus/hiemalis
    # Count: X
    Date:
    Observer: Eric Zorawowicz
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  74. duck sp. Anatidae (duck sp.)
    # Count: X
    Date:
    Observer: Andy Bowen
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  75. Cackling/Canada Goose Branta hutchinsii/canadensis
    # Count: X
    Date:
    Observer: Thomas Kihn
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  76. gull sp. Larinae sp.
    # Count: 2
    Date:
    Observer: Laurens Halsey
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond
  77. Buteo sp. Buteo sp.
    # Count: 1
    Date:
    Observer: Laurens Halsey
    Location: Walden Ponds Wildlife Habitat--Cottonwood Marsh/Wally Tove's Pond/Duck Pond