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Big Johnson Reservoir & Bluestem Prairie Open Space

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Bird List

Updated ~6 seconds ago
271 All Years 152 This Year 2024 63 This Month Jun 2024
Last Observed First Observed High Count

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  1. Species Name
    Count
    Date
    Observer
    Location

Native and Naturalized (270)

  1. Red Knot Calidris canutus
    # Count: 1
    Date:
    Observer: Mark Peterson
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  2. Arctic Loon Gavia arctica
    # Count: 1
    Date:
    Observer: Mark Peterson
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  3. Bohemian Waxwing Bombycilla garrulus
    # Count: 46
    Date:
    Observer: Mark Peterson
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  4. Glaucous-winged Gull Larus glaucescens
    # Count: 1
    Date:
    Observer: Alan Ketcham
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  5. Ash-throated Flycatcher Myiarchus cinerascens
    # Count: 1
    Date:
    Observer: Risë Foster-Bruder
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  6. Eastern Phoebe Sayornis phoebe
    # Count: 1
    Date:
    Observer: Carson Lambert
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  7. Piping Plover Charadrius melodus
    # Count: 1
    Date:
    Observer: Jack (Ardent Plover) Doutrich
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  8. Rufous Hummingbird Selasphorus rufus
    # Count: 1
    Date:
    Observer: Coen Kliewer
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  9. Long-tailed Jaeger Stercorarius longicaudus
    # Count: 1
    Date:
    Observer: David de Rivera Tønnessen
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  10. Bobolink Dolichonyx oryzivorus
    # Count: 1
    Date:
    Observer: David de Rivera Tønnessen
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  11. Least Flycatcher Empidonax minimus
    # Count: X
    Date:
    Observer: David Chartier
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  12. Hairy Woodpecker Dryobates villosus
    # Count: 1
    Date:
    Observer: David de Rivera Tønnessen
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  13. Black-chinned Hummingbird Archilochus alexandri
    # Count: 1
    Date:
    Observer: T B
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  14. Western Flycatcher Empidonax difficilis
    # Count: 1
    Date:
    Observer: T B
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  15. Trumpeter Swan Cygnus buccinator
    # Count: 1
    Date:
    Observer: Tanja Britton
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  16. Dickcissel Spiza americana
    # Count: 3
    Date:
    Observer: Robb Hinds
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  17. Nashville Warbler Leiothlypis ruficapilla
    # Count: 1
    Date:
    Observer: Mark Peterson
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  18. Wild Turkey Meleagris gallopavo
    # Count: 1
    Date:
    Observer: Caleb Hawley
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  19. Red-headed Woodpecker Melanerpes erythrocephalus
    # Count: 1
    Date:
    Observer: Aaron Driscoll
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  20. Short-eared Owl Asio flammeus
    # Count: 1
    Date:
    Observer: Chris Brobin
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  21. Western Gull Larus occidentalis
    # Count: 1
    Date:
    Observer: John Drummond
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  22. Red-breasted Nuthatch Sitta canadensis
    # Count: 2
    Date:
    Observer: Van Truan
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  23. Arctic Tern Sterna paradisaea
    # Count: 1
    Date:
    Observer: Bill Maynard
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  24. White-winged Dove Zenaida asiatica
    # Count: 1
    Date:
    Observer: Susan Bonfiglio
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  25. Broad-winged Hawk Buteo platypterus
    # Count: 1
    Date:
    Observer: Mel & Jeanne Goff
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  26. Glaucous Gull Larus hyperboreus
    # Count: 1
    Date:
    Observer: Mark Peterson
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  27. Mexican Duck Anas diazi
    # Count: 1
    Date:
    Observer: Steven Mlodinow
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  28. Laughing Gull Leucophaeus atricilla
    # Count: 1
    Date:
    Observer: Bill Maynard
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  29. Sora Porzana carolina
    # Count: 1
    Date:
    Observer: Chris McReynolds
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  30. Purple Martin Progne subis
    # Count: 1
    Date:
    Observer: John Drummond
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  31. Mississippi Kite Ictinia mississippiensis
    # Count: 1
    Date:
    Observer: Ted Floyd
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  32. Orchard Oriole Icterus spurius
    # Count: X
    Date:
    Observer: Todd Deininger
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  33. Western Cattle Egret Bubulcus ibis
    # Count: X
    Date:
    Observer: James Beatty
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  34. Parasitic Jaeger Stercorarius parasiticus
    # Count: 1
    Date:
    Observer: Bill Maynard
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  35. Short-billed Gull Larus brachyrhynchus
    # Count: 1
    Date:
    Observer: Gary Koehn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  36. Neotropic Cormorant Nannopterum brasilianum
    # Count: 1
    Date:
    Observer: Bill Maynard
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  37. Indigo Bunting Passerina cyanea
    # Count: X
    Date:
    Observer: Janet Stamm
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  38. American Golden-Plover Pluvialis dominica
    # Count: 1
    Date:
    Observer: John Drummond
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  39. Ruddy Turnstone Arenaria interpres
    # Count: 3
    Date:
    Observer: John Drummond
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  40. Eurasian Collared-Dove Streptopelia decaocto
    # Count: 2
    Date:
    Observer: Sam / Damaris Stoddard
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  41. Snowy Plover Anarhynchus nivosus
    # Count: 1
    Date:
    Observer: John Drummond
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  42. Least Tern Sternula antillarum
    # Count: 1
    Date:
    Observer: John Drummond
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  43. Lesser Black-backed Gull Larus fuscus
    # Count: 1
    Date:
    Observer: Tony Leukering
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  44. Royal Tern Thalasseus maximus
    # Count: 1
    Date:
    Observer: Glenn Walbek
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  45. Glossy Ibis Plegadis falcinellus
    # Count: 1
    Date:
    Observer: Bill Maynard
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  46. Greater White-fronted Goose Anser albifrons
    # Count: 1
    Date:
    Observer: Tony Leukering
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  47. Baird's Sparrow Centronyx bairdii
    # Count: 1
    Date:
    Observer: Colorado Bird Records Committee
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  48. Little Gull Hydrocoloeus minutus
    # Count: 1
    Date:
    Observer: Colorado Bird Records Committee
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  49. White-rumped Sandpiper Calidris fuscicollis
    # Count: 2
    Date:
    Observer: ISS Data
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  50. Yellow-billed Loon Gavia adamsii
    # Count: 1
    Date:
    Observer: Colorado Bird Records Committee
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  51. Steller's Jay Cyanocitta stelleri
    # Count: X
    Date:
    Observer: Gerald Ziarno
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  52. Barn Owl Tyto alba
    # Count: 1
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  53. Plumbeous Vireo Vireo plumbeus
    # Count: 1
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  54. Ruby-crowned Kinglet Corthylio calendula
    # Count: 1
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  55. Orange-crowned Warbler Leiothlypis celata
    # Count: 1
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  56. Wilson's Warbler Cardellina pusilla
    # Count: 4
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  57. Caspian Tern Hydroprogne caspia
    # Count: 1
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  58. Stilt Sandpiper Calidris himantopus
    # Count: 6
    Date:
    Observer: Peter Gaede
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  59. Ovenbird Seiurus aurocapilla
    # Count: 1
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  60. Yellow-breasted Chat Icteria virens
    # Count: 1
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  61. Virginia's Warbler Leiothlypis virginiae
    # Count: 1
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  62. Chimney Swift Chaetura pelagica
    # Count: 3
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  63. Black-bellied Plover Pluvialis squatarola
    # Count: 3
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  64. Dunlin Calidris alpina
    # Count: 1
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  65. Mountain Plover Anarhynchus montanus
    # Count: 3
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  66. Black Scoter Melanitta americana
    # Count: 2
    Date:
    Observer: Colorado Bird Records Committee
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  67. Summer Tanager Piranga rubra
    # Count: 1
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  68. Gray Catbird Dumetella carolinensis
    # Count: 1
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  69. Cassin's Kingbird Tyrannus vociferans
    # Count: 1
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  70. Whimbrel Numenius phaeopus
    # Count: 4
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  71. Western Sandpiper Calidris mauri
    # Count: 10
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  72. Swamp Sparrow Melospiza georgiana
    # Count: 1
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  73. Brewer's Sparrow Spizella breweri
    # Count: 3
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  74. Black-necked Stilt Himantopus mexicanus
    # Count: 1
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  75. Great Egret Ardea alba
    # Count: 1
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  76. Virginia Rail Rallus limicola
    # Count: 1
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  77. Iceland Gull Larus glaucoides
    # Count: 1
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  78. Cassin's Finch Haemorhous cassinii
    # Count: 2
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  79. Mountain Chickadee Poecile gambeli
    # Count: 1
    Date:
    Observer: Dan Williams
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  80. Bushtit Psaltriparus minimus
    # Count: 1
    Date:
    Observer: Dan Williams
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  81. White-breasted Nuthatch Sitta carolinensis
    # Count: 1
    Date:
    Observer: Dan Williams
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  82. Marsh Wren Cistothorus palustris
    # Count: 1
    Date:
    Observer: Dan Williams
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  83. Evening Grosbeak Coccothraustes vespertinus
    # Count: 1
    Date:
    Observer: Dan Williams
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  84. Ross's Goose Anser rossii
    # Count: 1
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  85. Surf Scoter Melanitta perspicillata
    # Count: 1
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  86. Townsend's Solitaire Myadestes townsendi
    # Count: 1
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  87. Red Crossbill Loxia curvirostra
    # Count: 10
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  88. Chestnut-collared Longspur Calcarius ornatus
    # Count: 3
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  89. Thick-billed Longspur Rhynchophanes mccownii
    # Count: 5
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  90. Pine Siskin Spinus pinus
    # Count: 25
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  91. Green-tailed Towhee Pipilo chlorurus
    # Count: 1
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  92. Violet-green Swallow Tachycineta thalassina
    # Count: 2
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  93. Snow Bunting Plectrophenax nivalis
    # Count: 1
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  94. Greater Scaup Aythya marila
    # Count: 1
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  95. Barrow's Goldeneye Bucephala islandica
    # Count: 4
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  96. Rough-legged Hawk Buteo lagopus
    # Count: 1
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  97. Harris's Sparrow Zonotrichia querula
    # Count: 1
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  98. Sandhill Crane Antigone canadensis
    # Count: 35
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  99. Lincoln's Sparrow Melospiza lincolnii
    # Count: 3
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  100. Black-crowned Night Heron Nycticorax nycticorax
    # Count: 5
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  101. Semipalmated Plover Charadrius semipalmatus
    # Count: 1
    Date:
    Observer: Bruce Hill
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  102. Red-throated Loon Gavia stellata
    # Count: 1
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  103. Black-capped Chickadee Poecile atricapillus
    # Count: 5
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  104. Cedar Waxwing Bombycilla cedrorum
    # Count: 30
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  105. White-throated Sparrow Zonotrichia albicollis
    # Count: 1
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  106. Golden Eagle Aquila chrysaetos
    # Count: 1
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  107. Red-necked Phalarope Phalaropus lobatus
    # Count: 1
    Date:
    Observer: Norman Erthal
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  108. Marbled Godwit Limosa fedoa
    # Count: 3
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  109. Solitary Sandpiper Tringa solitaria
    # Count: 3
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  110. Western Wood-Pewee Contopus sordidulus
    # Count: 1
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  111. Bank Swallow Riparia riparia
    # Count: 5
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  112. Cliff Swallow Petrochelidon pyrrhonota
    # Count: 25
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  113. Clay-colored Sparrow Spizella pallida
    # Count: 15
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  114. Yellow Warbler Setophaga petechia
    # Count: 1
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  115. Hermit Thrush Catharus guttatus
    # Count: 1
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  116. Great-tailed Grackle Quiscalus mexicanus
    # Count: 3
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  117. Common Yellowthroat Geothlypis trichas
    # Count: 1
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  118. American Redstart Setophaga ruticilla
    # Count: 1
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  119. Blackpoll Warbler Setophaga striata
    # Count: 1
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  120. Western Tanager Piranga ludoviciana
    # Count: 2
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  121. Lazuli Bunting Passerina amoena
    # Count: 1
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  122. Tundra Swan Cygnus columbianus
    # Count: 3
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  123. Sharp-shinned Hawk Accipiter striatus
    # Count: 1
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  124. Blue Jay Cyanocitta cristata
    # Count: 1
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  125. Spotted Sandpiper Actitis macularius
    # Count: 1
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  126. Sanderling Calidris alba
    # Count: 5
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  127. Pectoral Sandpiper Calidris melanotos
    # Count: 1
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  128. Upland Sandpiper Bartramia longicauda
    # Count: 1
    Date:
    Observer: Bruce Hill
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  129. Hammond's Flycatcher Empidonax hammondii
    # Count: 1
    Date:
    Observer: Bruce Hill
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  130. Northern Mockingbird Mimus polyglottos
    # Count: 1
    Date:
    Observer: Bruce Hill
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  131. Western Bluebird Sialia mexicana
    # Count: 8
    Date:
    Observer: Bruce Hill
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  132. Lesser Goldfinch Spinus psaltria
    # Count: 15
    Date:
    Observer: Bruce Hill
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  133. Grasshopper Sparrow Ammodramus savannarum
    # Count: 1
    Date:
    Observer: Bruce Hill
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  134. Bullock's Oriole Icterus bullockii
    # Count: 1
    Date:
    Observer: Bruce Hill
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  135. Cackling Goose Branta hutchinsii
    # Count: 6
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  136. Brown-capped Rosy-Finch Leucosticte australis
    # Count: 10
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  137. White-winged Scoter Melanitta deglandi
    # Count: 3
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  138. Savannah Sparrow Passerculus sandwichensis
    # Count: 2
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  139. Yellow-rumped Warbler Setophaga coronata
    # Count: 1
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  140. Semipalmated Sandpiper Calidris pusilla
    # Count: 20
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  141. Forster's Tern Sterna forsteri
    # Count: 10
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  142. Blue Grosbeak Passerina caerulea
    # Count: 2
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  143. Common Nighthawk Chordeiles minor
    # Count: 1
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  144. Lesser Yellowlegs Tringa flavipes
    # Count: 15
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  145. Least Sandpiper Calidris minutilla
    # Count: 2
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  146. White-throated Swift Aeronautes saxatalis
    # Count: 5
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  147. Broad-tailed Hummingbird Selasphorus platycercus
    # Count: 1
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  148. Western Kingbird Tyrannus verticalis
    # Count: 3
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  149. Eastern Kingbird Tyrannus tyrannus
    # Count: 1
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  150. Warbling Vireo Vireo gilvus
    # Count: 1
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  151. Northern Rough-winged Swallow Stelgidopteryx serripennis
    # Count: 12
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  152. Blue-gray Gnatcatcher Polioptila caerulea
    # Count: 1
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  153. House Wren Troglodytes aedon
    # Count: 1
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  154. Brown Thrasher Toxostoma rufum
    # Count: 1
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  155. Swainson's Thrush Catharus ustulatus
    # Count: 1
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  156. Cassin's Sparrow Peucaea cassinii
    # Count: 2
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  157. Lark Sparrow Chondestes grammacus
    # Count: 1
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  158. Canyon Towhee Melozone fusca
    # Count: 1
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  159. Black-headed Grosbeak Pheucticus melanocephalus
    # Count: 1
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  160. Merlin Falco columbarius
    # Count: 1
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  161. Prairie Falcon Falco mexicanus
    # Count: 1
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  162. House Sparrow Passer domesticus
    # Count: 5
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  163. Eurasian Wigeon Mareca penelope
    # Count: 1
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  164. Long-billed Curlew Numenius americanus
    # Count: 15
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  165. Wilson's Phalarope Phalaropus tricolor
    # Count: 25
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  166. Peregrine Falcon Falco peregrinus
    # Count: 1
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  167. Pacific Loon Gavia pacifica
    # Count: 1
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  168. Northern Flicker Colaptes auratus
    # Count: 1
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  169. Chihuahuan Raven Corvus cryptoleucus
    # Count: 3
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  170. California Gull Larus californicus
    # Count: 5
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  171. Swainson's Hawk Buteo swainsoni
    # Count: 1
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  172. Wood Duck Aix sponsa
    # Count: 2
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  173. Blue-winged Teal Spatula discors
    # Count: 25
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  174. Turkey Vulture Cathartes aura
    # Count: 5
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  175. Ferruginous Hawk Buteo regalis
    # Count: 2
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  176. Burrowing Owl Athene cunicularia
    # Count: 3
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  177. Downy Woodpecker Dryobates pubescens
    # Count: 1
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  178. Loggerhead Shrike Lanius ludovicianus
    # Count: 2
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  179. Black-billed Magpie Pica hudsonia
    # Count: 6
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  180. Tree Swallow Tachycineta bicolor
    # Count: 20
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  181. Sage Thrasher Oreoscoptes montanus
    # Count: 3
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  182. Spotted Towhee Pipilo maculatus
    # Count: 2
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  183. Red-necked Grebe Podiceps grisegena
    # Count: 1
    Date:
    Observer: Colorado Bird Records Committee
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  184. Mourning Dove Zenaida macroura
    # Count: 2
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  185. Bonaparte's Gull Chroicocephalus philadelphia
    # Count: 5
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  186. White-faced Ibis Plegadis chihi
    # Count: 15
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  187. Cooper's Hawk Accipiter cooperii
    # Count: 1
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  188. Bald Eagle Haliaeetus leucocephalus
    # Count: 1
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  189. Woodhouse's Scrub-Jay Aphelocoma woodhouseii
    # Count: 1
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  190. Rock Wren Salpinctes obsoletus
    # Count: 1
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  191. Lark Bunting Calamospiza melanocorys
    # Count: 25
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  192. Yellow-headed Blackbird Xanthocephalus xanthocephalus
    # Count: 35
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  193. Brown-headed Cowbird Molothrus ater
    # Count: 2
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  194. Brewer's Blackbird Euphagus cyanocephalus
    # Count: 25
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  195. Herring Gull Larus argentatus
    # Count: 2
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  196. American Tree Sparrow Spizelloides arborea
    # Count: 3
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  197. Common Raven Corvus corax
    # Count: 1
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  198. Belted Kingfisher Megaceryle alcyon
    # Count: 1
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  199. Northern Shrike Lanius borealis
    # Count: 1
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  200. Brown Creeper Certhia americana
    # Count: 1
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  201. Dark-eyed Junco Junco hyemalis
    # Count: 15
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  202. American Avocet Recurvirostra americana
    # Count: 2
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  203. Black Tern Chlidonias niger
    # Count: 14
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  204. Snowy Egret Egretta thula
    # Count: 1
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  205. Barn Swallow Hirundo rustica
    # Count: 5
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  206. Vesper Sparrow Pooecetes gramineus
    # Count: 5
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  207. Common Tern Sterna hirundo
    # Count: 1
    Date:
    Observer: Norman Erthal
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  208. Willet Tringa semipalmata
    # Count: 1
    Date:
    Observer: Norman Erthal
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  209. American White Pelican Pelecanus erythrorhynchos
    # Count: 135
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  210. Cinnamon Teal Spatula cyanoptera
    # Count: 2
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  211. Scaled Quail Callipepla squamata
    # Count: 2
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  212. Great Blue Heron Ardea herodias
    # Count: 2
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  213. Say's Phoebe Sayornis saya
    # Count: 1
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  214. Western Meadowlark Sturnella neglecta
    # Count: 10
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  215. Common Grackle Quiscalus quiscula
    # Count: 25
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  216. Clark's Grebe Aechmophorus clarkii
    # Count: 6
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  217. Killdeer Charadrius vociferus
    # Count: 5
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  218. Long-billed Dowitcher Limnodromus scolopaceus
    # Count: 25
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  219. Greater Yellowlegs Tringa melanoleuca
    # Count: 1
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  220. Sabine's Gull Xema sabini
    # Count: 1
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  221. Franklin's Gull Leucophaeus pipixcan
    # Count: 5
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  222. Double-crested Cormorant Nannopterum auritum
    # Count: 2
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  223. Osprey Pandion haliaetus
    # Count: 1
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  224. Red-tailed Hawk Buteo jamaicensis
    # Count: 1
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  225. American Crow Corvus brachyrhynchos
    # Count: 15
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  226. American Robin Turdus migratorius
    # Count: 2
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  227. House Finch Haemorhous mexicanus
    # Count: 2
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  228. Chipping Sparrow Spizella passerina
    # Count: 15
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  229. Bufflehead Bucephala albeola
    # Count: 20
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  230. Horned Grebe Podiceps auritus
    # Count: 15
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  231. Eared Grebe Podiceps nigricollis
    # Count: 15
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  232. Western Grebe Aechmophorus occidentalis
    # Count: 20
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  233. Green-winged Teal Anas crecca
    # Count: 5
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  234. Long-tailed Duck Clangula hyemalis
    # Count: 1
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  235. Hooded Merganser Lophodytes cucullatus
    # Count: 2
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  236. Ruddy Duck Oxyura jamaicensis
    # Count: 8
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  237. Wilson's Snipe Gallinago delicata
    # Count: 1
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  238. Horned Lark Eremophila alpestris
    # Count: 18
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  239. Lapland Longspur Calcarius lapponicus
    # Count: 1
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  240. Snow Goose Anser caerulescens
    # Count: 3
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  241. Canada Goose Branta canadensis
    # Count: 35
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  242. Northern Shoveler Spatula clypeata
    # Count: 10
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  243. Gadwall Mareca strepera
    # Count: 25
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  244. American Wigeon Mareca americana
    # Count: 25
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  245. Mallard Anas platyrhynchos
    # Count: 75
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  246. Northern Pintail Anas acuta
    # Count: 10
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  247. Canvasback Aythya valisineria
    # Count: 2
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  248. Redhead Aythya americana
    # Count: 15
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  249. Ring-necked Duck Aythya collaris
    # Count: 2
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  250. Lesser Scaup Aythya affinis
    # Count: 8
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  251. Common Goldeneye Bucephala clangula
    # Count: 25
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  252. Common Merganser Mergus merganser
    # Count: 25
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  253. Red-breasted Merganser Mergus serrator
    # Count: 5
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  254. Pied-billed Grebe Podilymbus podiceps
    # Count: 4
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  255. Rock Pigeon Columba livia
    # Count: 10
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  256. American Coot Fulica americana
    # Count: 20
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  257. Ring-billed Gull Larus delawarensis
    # Count: 6
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  258. Common Loon Gavia immer
    # Count: 1
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  259. Northern Harrier Circus hudsonius
    # Count: 1
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  260. Great Horned Owl Bubo virginianus
    # Count: 1
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  261. American Kestrel Falco sparverius
    # Count: 1
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  262. European Starling Sturnus vulgaris
    # Count: 15
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  263. American Pipit Anthus rubescens
    # Count: 1
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  264. American Goldfinch Spinus tristis
    # Count: 2
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  265. White-crowned Sparrow Zonotrichia leucophrys
    # Count: 2
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  266. Song Sparrow Melospiza melodia
    # Count: 2
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  267. Red-winged Blackbird Agelaius phoeniceus
    # Count: 20
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  268. Buff-breasted Sandpiper Calidris subruficollis
    # Count: 1
    Date:
    Observer: Colorado Bird Records Committee
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  269. Baird's Sandpiper Calidris bairdii
    # Count: 1
    Date:
    Observer: Ken Janes
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  270. Mountain Bluebird Sialia currucoides
    # Count: 1
    Date:
    Observer: David Kuipers
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space

Exotic: Provisional (1)

  1. Ring-necked Pheasant Phasianus colchicus
    # Count: 1
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space

Hybrids (6)

  1. Ross's x Cackling Goose (hybrid) Anser rossii x Branta hutchinsii
    # Count: 1
    Date:
    Observer: John Drummond
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  2. Lazuli x Indigo Bunting (hybrid) Passerina amoena x cyanea
    # Count: 1
    Date:
    Observer: Edward Landi
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  3. Blue-winged Teal x Northern Shoveler (hybrid) Spatula discors x clypeata
    # Count: 1
    Date:
    Observer: Alan Versaw
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  4. Cinnamon Teal x Northern Shoveler (hybrid) Spatula cyanoptera x clypeata
    # Count: 1
    Date:
    Observer: David de Rivera Tønnessen
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  5. Mallard x Mexican Duck (hybrid) Anas platyrhynchos x diazi
    # Count: 1
    Date:
    Observer: Steven Mlodinow
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  6. Western x Clark's Grebe (hybrid) Aechmophorus occidentalis x clarkii
    # Count: 1
    Date:
    Observer: Tony Leukering
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space

Additional Taxa (74)

  1. crow/raven sp. Corvus sp.
    # Count: 2
    Date:
    Observer: Keaton Schneeflock
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  2. diurnal raptor sp. Accipitriformes/Falconiformes sp.
    # Count: 2
    Date:
    Observer: Gloria Nikolai
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  3. passerine sp. Passeriformes sp.
    # Count: 12
    Date:
    Observer: Gavin Allvine
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  4. merganser sp. Mergellus/Lophodytes/Mergus sp.
    # Count: 1
    Date:
    Observer: Theodore MacKinney
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  5. finch sp. Fringillidae sp.
    # Count: 1
    Date:
    Observer: Theodore MacKinney
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  6. Spotted/Eastern Towhee (Rufous-sided Towhee) Pipilo maculatus/erythrophthalmus
    # Count: 1
    Date:
    Observer: Theodore MacKinney
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  7. Western/Eastern Meadowlark Sturnella neglecta/magna
    # Count: 2
    Date:
    Observer: David Marvin
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  8. large falcon sp. Falco sp. (large falcon sp.)
    # Count: 1
    Date:
    Observer: Robb Hinds
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  9. Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceus
    # Count: 2
    Date:
    Observer: David de Rivera Tønnessen
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  10. Eurasian/American Wigeon Mareca penelope/americana
    # Count: 1
    Date:
    Observer: Lindsey Meyers
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  11. Herring/Iceland Gull Larus argentatus/glaucoides
    # Count: 1
    Date:
    Observer: Alan Ketcham
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  12. goose sp. Anatidae (goose sp.)
    # Count: 1
    Date:
    Observer: Alan Ketcham
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  13. new world goldfinch sp. Spinus sp. (goldfinch sp.)
    # Count: 2
    Date:
    Observer: Kara L
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  14. small falcon sp. Falco sp. (small falcon sp.)
    # Count: 1
    Date:
    Observer: Alan Versaw
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  15. Calidris sp. Calidris sp.
    # Count: 6
    Date:
    Observer: Sandy Winkler
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  16. grebe sp. Podicipedidae sp.
    # Count: 6
    Date:
    Observer: Alan Versaw
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  17. eagle sp. Accipitridae sp. (eagle sp.)
    # Count: 1
    Date:
    Observer: Alan Versaw
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  18. new world warbler sp. Parulidae sp.
    # Count: 1
    Date:
    Observer: David de Rivera Tønnessen
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  19. Double-crested/Neotropic Cormorant Nannopterum auritum/brasilianum
    # Count: 1
    Date:
    Observer: Chris McReynolds
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  20. pigeon/dove sp. Columbidae sp.
    # Count: 1
    Date:
    Observer: Chris McReynolds
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  21. large shorebird sp. Scolopacidae sp. (large shorebird sp.)
    # Count: 2
    Date:
    Observer: Alan Versaw
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  22. Accipiter sp. Accipiter sp.
    # Count: 1
    Date:
    Observer: Kip Miller
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  23. Buteo/eagle sp. Buteo/eagle sp.
    # Count: 1
    Date:
    Observer: diana beatty
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  24. Sharp-shinned/Cooper's Hawk Accipiter striatus/cooperii
    # Count: 1
    Date:
    Observer: Tyler Stuart
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  25. hummingbird sp. Trochilidae sp.
    # Count: 1
    Date:
    Observer: Tanja Britton
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  26. teal sp. Anatidae sp. (teal sp.)
    # Count: X
    Date:
    Observer: Joy Lake
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  27. cormorant sp. Phalacrocoracidae sp.
    # Count: 2
    Date:
    Observer: Loch Kilpatrick
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  28. new world flycatcher sp. Tyrannidae sp.
    # Count: 1
    Date:
    Observer: Alan Versaw
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  29. vireo sp. Vireo sp.
    # Count: 1
    Date:
    Observer: Kyle Hawley
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  30. grackle sp. Quiscalus sp.
    # Count: 2
    Date:
    Observer: Kyle Hawley
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  31. tern sp. Sterninae sp.
    # Count: 1
    Date:
    Observer: Kathy Donaldson
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  32. large swift sp. Apodidae sp. (large swift sp.)
    # Count: 2
    Date:
    Observer: steveina glenn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  33. owl sp. Strigiformes sp.
    # Count: 1
    Date:
    Observer: Ruth Gabreski
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  34. Spizella sp. Spizella sp.
    # Count: 23
    Date:
    Observer: John Drummond
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  35. white egret sp. Egretta/Bubulcus/Ardea sp.
    # Count: 1
    Date:
    Observer: diana beatty
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  36. phoebe sp. Sayornis sp.
    # Count: 1
    Date:
    Observer: diana beatty
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  37. Black-bellied Plover/golden-plover sp. Pluvialis sp.
    # Count: 1
    Date:
    Observer: Tyler Stuart
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  38. Common/Red-breasted Merganser Mergus merganser/serrator
    # Count: 1
    Date:
    Observer: Joy Lake
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  39. hawk sp. Accipitridae sp. (hawk sp.)
    # Count: 1
    Date:
    Observer: Carolyn Harris
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  40. Sedge/Marsh Wren Cistothorus stellaris/palustris
    # Count: X
    Date:
    Observer: diana beatty
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  41. loon sp. Gavia sp.
    # Count: 1
    Date:
    Observer: Dale Adams
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  42. blackbird sp. Icteridae sp.
    # Count: 25
    Date:
    Observer: David de Rivera Tønnessen
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  43. Empidonax sp. Empidonax sp.
    # Count: 1
    Date:
    Observer: Van Truan
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  44. new world sparrow sp. Passerellidae sp.
    # Count: 1
    Date:
    Observer: David de Rivera Tønnessen
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  45. new world oriole sp. Icterus sp.
    # Count: 1
    Date:
    Observer: David de Rivera Tønnessen
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  46. falcon sp. Falco sp.
    # Count: 1
    Date:
    Observer: Jeff Mills
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  47. shorebird sp. Charadriiformes sp.
    # Count: 40
    Date:
    Observer: Chris Rurik
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  48. Larus sp. Larus sp.
    # Count: 1
    Date:
    Observer: Glenn Walbek
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  49. Glossy/White-faced Ibis Plegadis falcinellus/chihi
    # Count: 2
    Date:
    Observer: Glenn Walbek
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  50. Forster's/Common Tern Sterna forsteri/hirundo
    # Count: X
    Date:
    Observer: John Bruder
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  51. phalarope sp. Phalaropus sp.
    # Count: 8
    Date:
    Observer: Rob Batchelder
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  52. Cassin's/Western Kingbird Tyrannus vociferans/verticalis
    # Count: 1
    Date:
    Observer: diana beatty
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  53. Common/Barrow's Goldeneye Bucephala clangula/islandica
    # Count: 6
    Date:
    Observer: Rob Batchelder
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  54. Sturnella meadowlark sp. Sturnella sp.
    # Count: X
    Date:
    Observer: Melanie Herring
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  55. Snow/Ross's Goose Anser caerulescens/rossii
    # Count: 3
    Date:
    Observer: Paul Slingsby
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  56. swan sp. Cygnus sp.
    # Count: 3
    Date:
    Observer: Gary Koehn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  57. Western/Semipalmated Sandpiper Calidris mauri/pusilla
    # Count: 9
    Date:
    Observer: judi Owens
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  58. Buteo sp. Buteo sp.
    # Count: 1
    Date:
    Observer: Gary Koehn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  59. Sterna sp. Sterna sp.
    # Count: 1
    Date:
    Observer: Joy Lake
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  60. gull sp. Larinae sp.
    # Count: 1
    Date:
    Observer: Van Truan
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  61. Lesser/Greater Yellowlegs Tringa flavipes/melanoleuca
    # Count: X
    Date:
    Observer: Leslie Holzmann
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  62. duck sp. Anatidae (duck sp.)
    # Count: 250
    Date:
    Observer: Tony Leukering
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  63. Western/Clark's Grebe Aechmophorus occidentalis/clarkii
    # Count: X
    Date:
    Observer: Lynda Brothers
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  64. Yellow-crowned/Black-crowned Night Heron Nycticorax nycticorax/Nyctanassa violacea
    # Count: 1
    Date:
    Observer: Van Truan
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  65. peep sp. Calidris sp. (peep sp.)
    # Count: 9
    Date:
    Observer: ISS Data
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  66. swallow sp. Hirundinidae sp.
    # Count: 50
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  67. raven sp. Corvus sp. (raven sp.)
    # Count: 1
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  68. longspur sp. Calcarius/Rhynchophanes sp.
    # Count: 1
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  69. dabbling duck sp. Anatidae sp. (dabbling duck sp.)
    # Count: 150
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  70. Aythya sp. Aythya sp.
    # Count: 40
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  71. Greater/Lesser Scaup Aythya marila/affinis
    # Count: 1
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  72. Cackling/Canada Goose Branta hutchinsii/canadensis
    # Count: X
    Date:
    Observer: Thomas Kihn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  73. Horned/Eared Grebe Podiceps auritus/nigricollis
    # Count: 25
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space
  74. Blue-winged/Cinnamon Teal Spatula discors/cyanoptera
    # Count: 55
    Date:
    Observer: Richard Bunn
    Location: Big Johnson Reservoir & Bluestem Prairie Open Space