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Bird List

Updated ~4 seconds ago
261 All Years 92 This Year 2024 0 This Month Jun 2024
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  1. Species Name
    Count
    Date
    Observer
    Location

Native and Naturalized (260)

  1. Rock Pigeon Columba livia
    # Count: 40
    Date:
    Observer: Van Remsen
    Location: Two Buttes Reservoir
  2. Virginia Rail Rallus limicola
    # Count: 2
    Date:
    Observer: Van Remsen
    Location: Two Buttes Reservoir
  3. Northern Harrier Circus hudsonius
    # Count: 5
    Date:
    Observer: Van Remsen
    Location: Two Buttes Reservoir
  4. Belted Kingfisher Megaceryle alcyon
    # Count: 2
    Date:
    Observer: Van Remsen
    Location: Two Buttes Reservoir
  5. Ladder-backed Woodpecker Dryobates scalaris
    # Count: 2
    Date:
    Observer: Van Remsen
    Location: Two Buttes Reservoir
  6. Northern Flicker Colaptes auratus
    # Count: 8
    Date:
    Observer: Van Remsen
    Location: Two Buttes Reservoir
  7. Pinyon Jay Gymnorhinus cyanocephalus
    # Count: 10
    Date:
    Observer: Van Remsen
    Location: Two Buttes Reservoir
  8. Woodhouse's Scrub-Jay Aphelocoma woodhouseii
    # Count: 2
    Date:
    Observer: Van Remsen
    Location: Two Buttes Reservoir
  9. Golden-crowned Kinglet Regulus satrapa
    # Count: 5
    Date:
    Observer: Van Remsen
    Location: Two Buttes Reservoir
  10. Marsh Wren Cistothorus palustris
    # Count: 5
    Date:
    Observer: Van Remsen
    Location: Two Buttes Reservoir
  11. Bewick's Wren Thryomanes bewickii
    # Count: 5
    Date:
    Observer: Van Remsen
    Location: Two Buttes Reservoir
  12. Mountain Bluebird Sialia currucoides
    # Count: 75
    Date:
    Observer: Van Remsen
    Location: Two Buttes Reservoir
  13. House Sparrow Passer domesticus
    # Count: 25
    Date:
    Observer: Van Remsen
    Location: Two Buttes Reservoir
  14. Evening Grosbeak Coccothraustes vespertinus
    # Count: 3
    Date:
    Observer: Van Remsen
    Location: Two Buttes Reservoir
  15. Cassin's Finch Haemorhous cassinii
    # Count: 1
    Date:
    Observer: Van Remsen
    Location: Two Buttes Reservoir
  16. Thick-billed Longspur Rhynchophanes mccownii
    # Count: 2
    Date:
    Observer: Van Remsen
    Location: Two Buttes Reservoir
  17. White-crowned Sparrow Zonotrichia leucophrys
    # Count: 75
    Date:
    Observer: Van Remsen
    Location: Two Buttes Reservoir
  18. Harris's Sparrow Zonotrichia querula
    # Count: 3
    Date:
    Observer: Van Remsen
    Location: Two Buttes Reservoir
  19. Song Sparrow Melospiza melodia
    # Count: 20
    Date:
    Observer: Van Remsen
    Location: Two Buttes Reservoir
  20. Lincoln's Sparrow Melospiza lincolnii
    # Count: 5
    Date:
    Observer: Van Remsen
    Location: Two Buttes Reservoir
  21. Swamp Sparrow Melospiza georgiana
    # Count: 3
    Date:
    Observer: Van Remsen
    Location: Two Buttes Reservoir
  22. Scaled Quail Callipepla squamata
    # Count: 40
    Date:
    Observer: Robin Carter
    Location: Two Buttes Reservoir
  23. Cassin's Kingbird Tyrannus vociferans
    # Count: 2
    Date:
    Observer: Robin Carter
    Location: Two Buttes Reservoir
  24. Black-billed Magpie Pica hudsonia
    # Count: 12
    Date:
    Observer: Van Truan
    Location: Two Buttes Reservoir
  25. White-breasted Nuthatch Sitta carolinensis
    # Count: 1
    Date:
    Observer: Van Truan
    Location: Two Buttes Reservoir
  26. Brown Creeper Certhia americana
    # Count: 1
    Date:
    Observer: Van Truan
    Location: Two Buttes Reservoir
  27. Chipping Sparrow Spizella passerina
    # Count: 12
    Date:
    Observer: Van Truan
    Location: Two Buttes Reservoir
  28. Barn Owl Tyto alba
    # Count: 2
    Date:
    Observer: Laurens Halsey
    Location: Two Buttes Reservoir
  29. Western Screech-Owl Megascops kennicottii
    # Count: 2
    Date:
    Observer: Laurens Halsey
    Location: Two Buttes Reservoir
  30. Sora Porzana carolina
    # Count: 1
    Date:
    Observer: Laurens Halsey
    Location: Two Buttes Reservoir
  31. Scarlet Tanager Piranga olivacea
    # Count: 1
    Date:
    Observer: Colorado Bird Records Committee
    Location: Two Buttes Reservoir
  32. Canyon Towhee Melozone fusca
    # Count: 2
    Date:
    Observer: David Ely
    Location: Two Buttes Reservoir
  33. Northern Pintail Anas acuta
    # Count: 350
    Date:
    Observer: Marshall Iliff
    Location: Two Buttes Reservoir
  34. Sandhill Crane Antigone canadensis
    # Count: 60
    Date:
    Observer: Marshall Iliff
    Location: Two Buttes Reservoir
  35. Vesper Sparrow Pooecetes gramineus
    # Count: 40
    Date:
    Observer: Joey Kellner
    Location: Two Buttes Reservoir
  36. Canada Warbler Cardellina canadensis
    # Count: 1
    Date:
    Observer: Colorado Bird Records Committee
    Location: Two Buttes Reservoir
  37. Cedar Waxwing Bombycilla cedrorum
    # Count: 15
    Date:
    Observer: Guy Kirwan
    Location: Two Buttes Reservoir
  38. Red-winged Blackbird Agelaius phoeniceus
    # Count: 500
    Date:
    Observer: Guy Kirwan
    Location: Two Buttes Reservoir
  39. Say's Phoebe Sayornis saya
    # Count: 4
    Date:
    Observer: Van Truan
    Location: Two Buttes Reservoir
  40. Black-capped Chickadee Poecile atricapillus
    # Count: 2
    Date:
    Observer: Van Truan
    Location: Two Buttes Reservoir
  41. Worm-eating Warbler Helmitheros vermivorum
    # Count: 1
    Date:
    Observer: Colorado Bird Records Committee
    Location: Two Buttes Reservoir
  42. American Bittern Botaurus lentiginosus
    # Count: 1
    Date:
    Observer: Randall Siebert
    Location: Two Buttes Reservoir
  43. Lesser Goldfinch Spinus psaltria
    # Count: X
    Date:
    Observer: Randall Siebert
    Location: Two Buttes Reservoir
  44. Spotted Towhee Pipilo maculatus
    # Count: 4
    Date:
    Observer: Van Truan
    Location: Two Buttes Reservoir
  45. American Redstart Setophaga ruticilla
    # Count: 1
    Date:
    Observer: Van Truan
    Location: Two Buttes Reservoir
  46. Yellow-rumped Warbler Setophaga coronata
    # Count: 13
    Date:
    Observer: Van Truan
    Location: Two Buttes Reservoir
  47. Ruby-crowned Kinglet Corthylio calendula
    # Count: 6
    Date:
    Observer: Van Truan
    Location: Two Buttes Reservoir
  48. European Starling Sturnus vulgaris
    # Count: 245
    Date:
    Observer: Van Truan
    Location: Two Buttes Reservoir
  49. American Robin Turdus migratorius
    # Count: 23
    Date:
    Observer: Van Truan
    Location: Two Buttes Reservoir
  50. House Finch Haemorhous mexicanus
    # Count: 12
    Date:
    Observer: Van Truan
    Location: Two Buttes Reservoir
  51. Plumbeous Vireo Vireo plumbeus
    # Count: 1
    Date:
    Observer: Joey Kellner
    Location: Two Buttes Reservoir
  52. Northern Waterthrush Parkesia noveboracensis
    # Count: 1
    Date:
    Observer: Joey Kellner
    Location: Two Buttes Reservoir
  53. Black-and-white Warbler Mniotilta varia
    # Count: 1
    Date:
    Observer: Joey Kellner
    Location: Two Buttes Reservoir
  54. Clark's Grebe Aechmophorus clarkii
    # Count: 2
    Date:
    Observer: Van Truan
    Location: Two Buttes Reservoir
  55. Canvasback Aythya valisineria
    # Count: 200
    Date:
    Observer: Joey Kellner
    Location: Two Buttes Reservoir
  56. Common Goldeneye Bucephala clangula
    # Count: 4
    Date:
    Observer: Joey Kellner
    Location: Two Buttes Reservoir
  57. Horned Grebe Podiceps auritus
    # Count: 7
    Date:
    Observer: Joey Kellner
    Location: Two Buttes Reservoir
  58. Rough-legged Hawk Buteo lagopus
    # Count: 1
    Date:
    Observer: Joey Kellner
    Location: Two Buttes Reservoir
  59. Orange-crowned Warbler Leiothlypis celata
    # Count: 10
    Date:
    Observer: Marshall Iliff
    Location: Two Buttes Reservoir
  60. Green Heron Butorides virescens
    # Count: 1
    Date:
    Observer: Randy Yuen
    Location: Two Buttes Reservoir
  61. Dickcissel Spiza americana
    # Count: 2
    Date:
    Observer: Van Truan
    Location: Two Buttes Reservoir
  62. Trumpeter Swan Cygnus buccinator
    # Count: 1
    Date:
    Observer: Colorado Bird Records Committee
    Location: Two Buttes Reservoir
  63. Veery Catharus fuscescens
    # Count: X
    Date:
    Observer: James Beatty
    Location: Two Buttes Reservoir
  64. Chestnut-sided Warbler Setophaga pensylvanica
    # Count: X
    Date:
    Observer: James Beatty
    Location: Two Buttes Reservoir
  65. Great Blue Heron Ardea herodias
    # Count: 9
    Date:
    Observer: Ed Kwater
    Location: Two Buttes Reservoir
  66. American Kestrel Falco sparverius
    # Count: 7
    Date:
    Observer: Ed Kwater
    Location: Two Buttes Reservoir
  67. American Goldfinch Spinus tristis
    # Count: 25
    Date:
    Observer: Ed Kwater
    Location: Two Buttes Reservoir
  68. Wood Thrush Hylocichla mustelina
    # Count: X
    Date:
    Observer: Ric Olson
    Location: Two Buttes Reservoir
  69. Common Raven Corvus corax
    # Count: 8
    Date:
    Observer: Van Truan
    Location: Two Buttes Reservoir
  70. Bushtit Psaltriparus minimus
    # Count: X
    Date:
    Observer: Ric Olson
    Location: Two Buttes Reservoir
  71. Palm Warbler Setophaga palmarum
    # Count: X
    Date:
    Observer: Ric Olson
    Location: Two Buttes Reservoir
  72. Townsend's Warbler Setophaga townsendi
    # Count: X
    Date:
    Observer: James Beatty
    Location: Two Buttes Reservoir
  73. Yellow-billed Cuckoo Coccyzus americanus
    # Count: 4
    Date:
    Observer: Juan Carlos Marín Santos
    Location: Two Buttes Reservoir
  74. Blackburnian Warbler Setophaga fusca
    # Count: X
    Date:
    Observer: Ric Olson
    Location: Two Buttes Reservoir
  75. Brown Thrasher Toxostoma rufum
    # Count: 3
    Date:
    Observer: Will Piper
    Location: Two Buttes Reservoir
  76. Downy Woodpecker Dryobates pubescens
    # Count: 2
    Date:
    Observer: Wim Heylen
    Location: Two Buttes Reservoir
  77. Eastern Phoebe Sayornis phoebe
    # Count: 4
    Date:
    Observer: Wim Heylen
    Location: Two Buttes Reservoir
  78. Townsend's Solitaire Myadestes townsendi
    # Count: 2
    Date:
    Observer: Wim Heylen
    Location: Two Buttes Reservoir
  79. Black-chinned Hummingbird Archilochus alexandri
    # Count: X
    Date:
    Observer: Ric Olson
    Location: Two Buttes Reservoir
  80. Mississippi Kite Ictinia mississippiensis
    # Count: X
    Date:
    Observer: Ric Olson
    Location: Two Buttes Reservoir
  81. White-eyed Vireo Vireo griseus
    # Count: X
    Date:
    Observer: Ric Olson
    Location: Two Buttes Reservoir
  82. Wilson's Phalarope Phalaropus tricolor
    # Count: 630
    Date:
    Observer: Steven Mlodinow
    Location: Two Buttes Reservoir
  83. Red-necked Phalarope Phalaropus lobatus
    # Count: 4
    Date:
    Observer: Steven Mlodinow
    Location: Two Buttes Reservoir
  84. Baltimore Oriole Icterus galbula
    # Count: 1
    Date:
    Observer: Steven Mlodinow
    Location: Two Buttes Reservoir
  85. Common Poorwill Phalaenoptilus nuttallii
    # Count: X
    Date:
    Observer: Ric Olson
    Location: Two Buttes Reservoir
  86. Chimney Swift Chaetura pelagica
    # Count: X
    Date:
    Observer: Ric Olson
    Location: Two Buttes Reservoir
  87. Philadelphia Vireo Vireo philadelphicus
    # Count: X
    Date:
    Observer: Ric Olson
    Location: Two Buttes Reservoir
  88. Ovenbird Seiurus aurocapilla
    # Count: X
    Date:
    Observer: Ric Olson
    Location: Two Buttes Reservoir
  89. Nashville Warbler Leiothlypis ruficapilla
    # Count: X
    Date:
    Observer: Ric Olson
    Location: Two Buttes Reservoir
  90. Cape May Warbler Setophaga tigrina
    # Count: X
    Date:
    Observer: Ric Olson
    Location: Two Buttes Reservoir
  91. Black-throated Blue Warbler Setophaga caerulescens
    # Count: X
    Date:
    Observer: Ric Olson
    Location: Two Buttes Reservoir
  92. Tennessee Warbler Leiothlypis peregrina
    # Count: 1
    Date:
    Observer: Michelle Robbins
    Location: Two Buttes Reservoir
  93. Rose-breasted Grosbeak Pheucticus ludovicianus
    # Count: 2
    Date:
    Observer: Michelle Robbins
    Location: Two Buttes Reservoir
  94. Greater Scaup Aythya marila
    # Count: 3
    Date:
    Observer: William Kaempfer
    Location: Two Buttes Reservoir
  95. Mountain Plover Anarhynchus montanus
    # Count: 1
    Date:
    Observer: William Kaempfer
    Location: Two Buttes Reservoir
  96. Gadwall Mareca strepera
    # Count: 200
    Date:
    Observer: David Pettee
    Location: Two Buttes Reservoir
  97. Cooper's Hawk Accipiter cooperii
    # Count: 1
    Date:
    Observer: Gloria Nikolai
    Location: Two Buttes Reservoir
  98. Rock Wren Salpinctes obsoletus
    # Count: 3
    Date:
    Observer: Gloria Nikolai
    Location: Two Buttes Reservoir
  99. Lark Sparrow Chondestes grammacus
    # Count: 20
    Date:
    Observer: Gary Koehn
    Location: Two Buttes Reservoir
  100. Great-tailed Grackle Quiscalus mexicanus
    # Count: 20
    Date:
    Observer: Gary Koehn
    Location: Two Buttes Reservoir
  101. Common Yellowthroat Geothlypis trichas
    # Count: 2
    Date:
    Observer: Gary Koehn
    Location: Two Buttes Reservoir
  102. Olive-sided Flycatcher Contopus cooperi
    # Count: 2
    Date:
    Observer: Jim Malcom
    Location: Two Buttes Reservoir
  103. Least Flycatcher Empidonax minimus
    # Count: 2
    Date:
    Observer: Jim Malcom
    Location: Two Buttes Reservoir
  104. Ash-throated Flycatcher Myiarchus cinerascens
    # Count: 4
    Date:
    Observer: Jim Malcom
    Location: Two Buttes Reservoir
  105. Warbling Vireo Vireo gilvus
    # Count: 3
    Date:
    Observer: Jim Malcom
    Location: Two Buttes Reservoir
  106. Northern Rough-winged Swallow Stelgidopteryx serripennis
    # Count: 12
    Date:
    Observer: Jim Malcom
    Location: Two Buttes Reservoir
  107. Hermit Thrush Catharus guttatus
    # Count: 1
    Date:
    Observer: Jim Malcom
    Location: Two Buttes Reservoir
  108. Green-tailed Towhee Pipilo chlorurus
    # Count: 2
    Date:
    Observer: Jim Malcom
    Location: Two Buttes Reservoir
  109. Yellow-breasted Chat Icteria virens
    # Count: 2
    Date:
    Observer: Jim Malcom
    Location: Two Buttes Reservoir
  110. Virginia's Warbler Leiothlypis virginiae
    # Count: 1
    Date:
    Observer: Jim Malcom
    Location: Two Buttes Reservoir
  111. MacGillivray's Warbler Geothlypis tolmiei
    # Count: 1
    Date:
    Observer: Jim Malcom
    Location: Two Buttes Reservoir
  112. Hooded Warbler Setophaga citrina
    # Count: 1
    Date:
    Observer: Jim Malcom
    Location: Two Buttes Reservoir
  113. Blackpoll Warbler Setophaga striata
    # Count: 1
    Date:
    Observer: Jim Malcom
    Location: Two Buttes Reservoir
  114. House Wren Troglodytes aedon
    # Count: 2
    Date:
    Observer: carl starace
    Location: Two Buttes Reservoir
  115. Yellow Warbler Setophaga petechia
    # Count: 20
    Date:
    Observer: carl starace
    Location: Two Buttes Reservoir
  116. Hairy Woodpecker Dryobates villosus
    # Count: 2
    Date:
    Observer: Jim Malcom
    Location: Two Buttes Reservoir
  117. Western Wood-Pewee Contopus sordidulus
    # Count: 2
    Date:
    Observer: Jim Malcom
    Location: Two Buttes Reservoir
  118. Red-breasted Nuthatch Sitta canadensis
    # Count: 1
    Date:
    Observer: Jim Malcom
    Location: Two Buttes Reservoir
  119. Blue-headed Vireo Vireo solitarius
    # Count: X
    Date:
    Observer: Ric Olson
    Location: Two Buttes Reservoir
  120. Red-tailed Hawk Buteo jamaicensis
    # Count: 3
    Date:
    Observer: Dale Adams
    Location: Two Buttes Reservoir
  121. Ross's Goose Anser rossii
    # Count: X
    Date:
    Observer: Mark Peterson
    Location: Two Buttes Reservoir
  122. Red-breasted Merganser Mergus serrator
    # Count: 3
    Date:
    Observer: Mark Peterson
    Location: Two Buttes Reservoir
  123. American Coot Fulica americana
    # Count: 350
    Date:
    Observer: Mark Peterson
    Location: Two Buttes Reservoir
  124. Double-crested Cormorant Nannopterum auritum
    # Count: 154
    Date:
    Observer: Mark Peterson
    Location: Two Buttes Reservoir
  125. Bonaparte's Gull Chroicocephalus philadelphia
    # Count: 20
    Date:
    Observer: Christian Nunes
    Location: Two Buttes Reservoir
  126. Eastern Bluebird Sialia sialis
    # Count: 13
    Date:
    Observer: Christian Nunes
    Location: Two Buttes Reservoir
  127. Western Meadowlark Sturnella neglecta
    # Count: 32
    Date:
    Observer: Mark Peterson
    Location: Two Buttes Reservoir
  128. Great Horned Owl Bubo virginianus
    # Count: 3
    Date:
    Observer: Chris Wills
    Location: Two Buttes Reservoir
  129. Blue-gray Gnatcatcher Polioptila caerulea
    # Count: 2
    Date:
    Observer: Chris Wills
    Location: Two Buttes Reservoir
  130. Canyon Wren Catherpes mexicanus
    # Count: 3
    Date:
    Observer: Chris Wills
    Location: Two Buttes Reservoir
  131. Long-billed Curlew Numenius americanus
    # Count: 2
    Date:
    Observer: Gerald Hoekstra
    Location: Two Buttes Reservoir
  132. Solitary Sandpiper Tringa solitaria
    # Count: 3
    Date:
    Observer: Gerald Hoekstra
    Location: Two Buttes Reservoir
  133. Forster's Tern Sterna forsteri
    # Count: 16
    Date:
    Observer: Gerald Hoekstra
    Location: Two Buttes Reservoir
  134. Ruddy Duck Oxyura jamaicensis
    # Count: 345
    Date:
    Observer: Steven Mlodinow
    Location: Two Buttes Reservoir
  135. Willet Tringa semipalmata
    # Count: 3
    Date:
    Observer: Steven Mlodinow
    Location: Two Buttes Reservoir
  136. Semipalmated Sandpiper Calidris pusilla
    # Count: 6
    Date:
    Observer: Steven Mlodinow
    Location: Two Buttes Reservoir
  137. Osprey Pandion haliaetus
    # Count: 2
    Date:
    Observer: Steven Mlodinow
    Location: Two Buttes Reservoir
  138. Tree Swallow Tachycineta bicolor
    # Count: 11
    Date:
    Observer: Jim Malcom
    Location: Two Buttes Reservoir
  139. Northern Parula Setophaga americana
    # Count: 1
    Date:
    Observer: Bob Spencer
    Location: Two Buttes Reservoir
  140. Summer Tanager Piranga rubra
    # Count: 2
    Date:
    Observer: Bob Spencer
    Location: Two Buttes Reservoir
  141. Eurasian Collared-Dove Streptopelia decaocto
    # Count: 25
    Date:
    Observer: Steven Mlodinow
    Location: Two Buttes Reservoir
  142. Common Grackle Quiscalus quiscula
    # Count: 20
    Date:
    Observer: Steven Mlodinow
    Location: Two Buttes Reservoir
  143. Ring-necked Duck Aythya collaris
    # Count: 132
    Date:
    Observer: Kathy Mihm Dunning
    Location: Two Buttes Reservoir
  144. Pied-billed Grebe Podilymbus podiceps
    # Count: 19
    Date:
    Observer: Kathy Mihm Dunning
    Location: Two Buttes Reservoir
  145. Cackling Goose Branta hutchinsii
    # Count: 225
    Date:
    Observer: Steven Mlodinow
    Location: Two Buttes Reservoir
  146. Redhead Aythya americana
    # Count: 205
    Date:
    Observer: Daniel Maynard
    Location: Two Buttes Reservoir
  147. Lesser Scaup Aythya affinis
    # Count: 75
    Date:
    Observer: Daniel Maynard
    Location: Two Buttes Reservoir
  148. Prairie Falcon Falco mexicanus
    # Count: 1
    Date:
    Observer: Daniel Maynard
    Location: Two Buttes Reservoir
  149. Snow Goose Anser caerulescens
    # Count: 100
    Date:
    Observer: Jon Horn
    Location: Two Buttes Reservoir
  150. Canada Goose Branta canadensis
    # Count: 2000
    Date:
    Observer: Jon Horn
    Location: Two Buttes Reservoir
  151. Dark-eyed Junco Junco hyemalis
    # Count: 85
    Date:
    Observer: Jon Horn
    Location: Two Buttes Reservoir
  152. Sharp-shinned Hawk Accipiter striatus
    # Count: 1
    Date:
    Observer: Glenn Walbek
    Location: Two Buttes Reservoir
  153. Pine Siskin Spinus pinus
    # Count: 4
    Date:
    Observer: Steven Mlodinow
    Location: Two Buttes Reservoir
  154. Cassin's Sparrow Peucaea cassinii
    # Count: 23
    Date:
    Observer: Steven Mlodinow
    Location: Two Buttes Reservoir
  155. Brewer's Sparrow Spizella breweri
    # Count: 3
    Date:
    Observer: Steven Mlodinow
    Location: Two Buttes Reservoir
  156. Barn Swallow Hirundo rustica
    # Count: 85
    Date:
    Observer: Steven Mlodinow
    Location: Two Buttes Reservoir
  157. Common Tern Sterna hirundo
    # Count: 1
    Date:
    Observer: Tony Leukering
    Location: Two Buttes Reservoir
  158. Mallard Anas platyrhynchos
    # Count: 293
    Date:
    Observer: Tony Leukering
    Location: Two Buttes Reservoir
  159. American Wigeon Mareca americana
    # Count: 169
    Date:
    Observer: Tony Leukering
    Location: Two Buttes Reservoir
  160. Green-winged Teal Anas crecca
    # Count: 550
    Date:
    Observer: Tony Leukering
    Location: Two Buttes Reservoir
  161. Northern Shoveler Spatula clypeata
    # Count: 280
    Date:
    Observer: David Dowell
    Location: Two Buttes Reservoir
  162. American Avocet Recurvirostra americana
    # Count: 13
    Date:
    Observer: David Dowell
    Location: Two Buttes Reservoir
  163. Franklin's Gull Leucophaeus pipixcan
    # Count: 14
    Date:
    Observer: David Dowell
    Location: Two Buttes Reservoir
  164. Sanderling Calidris alba
    # Count: 1
    Date:
    Observer: Tony Leukering
    Location: Two Buttes Reservoir
  165. Semipalmated Plover Charadrius semipalmatus
    # Count: 7
    Date:
    Observer: Kathy Mihm Dunning
    Location: Two Buttes Reservoir
  166. Spotted Sandpiper Actitis macularius
    # Count: 16
    Date:
    Observer: Kathy Mihm Dunning
    Location: Two Buttes Reservoir
  167. Least Sandpiper Calidris minutilla
    # Count: 16
    Date:
    Observer: Kathy Mihm Dunning
    Location: Two Buttes Reservoir
  168. Savannah Sparrow Passerculus sandwichensis
    # Count: 5
    Date:
    Observer: Kathy Mihm Dunning
    Location: Two Buttes Reservoir
  169. Caspian Tern Hydroprogne caspia
    # Count: 1
    Date:
    Observer: Kathy Mihm Dunning
    Location: Two Buttes Reservoir
  170. American White Pelican Pelecanus erythrorhynchos
    # Count: 48
    Date:
    Observer: Eric DeFonso 🦑
    Location: Two Buttes Reservoir
  171. Cliff Swallow Petrochelidon pyrrhonota
    # Count: 400
    Date:
    Observer: Eric DeFonso 🦑
    Location: Two Buttes Reservoir
  172. Red-headed Woodpecker Melanerpes erythrocephalus
    # Count: 6
    Date:
    Observer: Tony Leukering
    Location: Two Buttes Reservoir
  173. Stilt Sandpiper Calidris himantopus
    # Count: 21
    Date:
    Observer: Tony Leukering
    Location: Two Buttes Reservoir
  174. Turkey Vulture Cathartes aura
    # Count: 39
    Date:
    Observer: Tony Leukering
    Location: Two Buttes Reservoir
  175. Mourning Dove Zenaida macroura
    # Count: 50
    Date:
    Observer: Mark Peterson
    Location: Two Buttes Reservoir
  176. Black-bellied Plover Pluvialis squatarola
    # Count: 1
    Date:
    Observer: Mark Peterson
    Location: Two Buttes Reservoir
  177. Short-billed Dowitcher Limnodromus griseus
    # Count: 1
    Date:
    Observer: Mark Peterson
    Location: Two Buttes Reservoir
  178. Red Phalarope Phalaropus fulicarius
    # Count: 1
    Date:
    Observer: Mark Peterson
    Location: Two Buttes Reservoir
  179. Peregrine Falcon Falco peregrinus
    # Count: 1
    Date:
    Observer: Mark Peterson
    Location: Two Buttes Reservoir
  180. Long-billed Dowitcher Limnodromus scolopaceus
    # Count: 52
    Date:
    Observer: Mark Peterson
    Location: Two Buttes Reservoir
  181. American Golden-Plover Pluvialis dominica
    # Count: 1
    Date:
    Observer: David Dowell
    Location: Two Buttes Reservoir
  182. Wood Duck Aix sponsa
    # Count: 16
    Date:
    Observer: Mark Peterson
    Location: Two Buttes Reservoir
  183. Killdeer Charadrius vociferus
    # Count: 76
    Date:
    Observer: Mark Peterson
    Location: Two Buttes Reservoir
  184. American Crow Corvus brachyrhynchos
    # Count: 12
    Date:
    Observer: Mark Peterson
    Location: Two Buttes Reservoir
  185. Golden Eagle Aquila chrysaetos
    # Count: 2
    Date:
    Observer: Mark Peterson
    Location: Two Buttes Reservoir
  186. American Pipit Anthus rubescens
    # Count: 7
    Date:
    Observer: Mark Peterson
    Location: Two Buttes Reservoir
  187. Chestnut-collared Longspur Calcarius ornatus
    # Count: 4
    Date:
    Observer: Mark Peterson
    Location: Two Buttes Reservoir
  188. Chihuahuan Raven Corvus cryptoleucus
    # Count: 8
    Date:
    Observer: Mackenzie Goldthwait
    Location: Two Buttes Reservoir
  189. Sage Thrasher Oreoscoptes montanus
    # Count: 1
    Date:
    Observer: Aaron Shipe
    Location: Two Buttes Reservoir
  190. Lesser Yellowlegs Tringa flavipes
    # Count: 14
    Date:
    Observer: Steven Mlodinow
    Location: Two Buttes Reservoir
  191. Baird's Sandpiper Calidris bairdii
    # Count: 25
    Date:
    Observer: Nathan Pieplow
    Location: Two Buttes Reservoir
  192. Western Sandpiper Calidris mauri
    # Count: 7
    Date:
    Observer: Nathan Pieplow
    Location: Two Buttes Reservoir
  193. Willow Flycatcher Empidonax traillii
    # Count: 1
    Date:
    Observer: Nathan Pieplow
    Location: Two Buttes Reservoir
  194. Brown-headed Cowbird Molothrus ater
    # Count: 15
    Date:
    Observer: Nathan Pieplow
    Location: Two Buttes Reservoir
  195. Greater Roadrunner Geococcyx californianus
    # Count: 2
    Date:
    Observer: Diane Roberts
    Location: Two Buttes Reservoir
  196. Northern Mockingbird Mimus polyglottos
    # Count: 6
    Date:
    Observer: Diane Roberts
    Location: Two Buttes Reservoir
  197. Grasshopper Sparrow Ammodramus savannarum
    # Count: 1
    Date:
    Observer: Diane Roberts
    Location: Two Buttes Reservoir
  198. Lark Bunting Calamospiza melanocorys
    # Count: 150
    Date:
    Observer: Diane Roberts
    Location: Two Buttes Reservoir
  199. Blue Grosbeak Passerina caerulea
    # Count: 4
    Date:
    Observer: Diane Roberts
    Location: Two Buttes Reservoir
  200. Black-crowned Night Heron Nycticorax nycticorax
    # Count: 1
    Date:
    Observer: David Wolf
    Location: Two Buttes Reservoir
  201. Wilson's Warbler Cardellina pusilla
    # Count: 2
    Date:
    Observer: G Stacks
    Location: Two Buttes Reservoir
  202. Pectoral Sandpiper Calidris melanotos
    # Count: 1
    Date:
    Observer: Norman Erthal
    Location: Two Buttes Reservoir
  203. Wild Turkey Meleagris gallopavo
    # Count: 15
    Date:
    Observer: Ben Sampson
    Location: Two Buttes Reservoir
  204. Mountain Chickadee Poecile gambeli
    # Count: 2
    Date:
    Observer: Ben Sampson
    Location: Two Buttes Reservoir
  205. Horned Lark Eremophila alpestris
    # Count: 1000
    Date:
    Observer: Ben Sampson
    Location: Two Buttes Reservoir
  206. Curve-billed Thrasher Toxostoma curvirostre
    # Count: 3
    Date:
    Observer: Ben Sampson
    Location: Two Buttes Reservoir
  207. Field Sparrow Spizella pusilla
    # Count: 2
    Date:
    Observer: Ben Sampson
    Location: Two Buttes Reservoir
  208. American Tree Sparrow Spizelloides arborea
    # Count: 8
    Date:
    Observer: Ben Sampson
    Location: Two Buttes Reservoir
  209. Rufous-crowned Sparrow Aimophila ruficeps
    # Count: 3
    Date:
    Observer: Ben Sampson
    Location: Two Buttes Reservoir
  210. Swainson's Hawk Buteo swainsoni
    # Count: 3
    Date:
    Observer: Daniel Horton
    Location: Two Buttes Reservoir
  211. Ferruginous Hawk Buteo regalis
    # Count: 1
    Date:
    Observer: Darth Aves
    Location: Two Buttes Reservoir
  212. Black-headed Grosbeak Pheucticus melanocephalus
    # Count: 2
    Date:
    Observer: Darth Aves
    Location: Two Buttes Reservoir
  213. Western Kingbird Tyrannus verticalis
    # Count: 24
    Date:
    Observer: Brian Genge
    Location: Two Buttes Reservoir
  214. Eastern Kingbird Tyrannus tyrannus
    # Count: 2
    Date:
    Observer: Brian Genge
    Location: Two Buttes Reservoir
  215. Swainson's Thrush Catharus ustulatus
    # Count: 8
    Date:
    Observer: Brian Genge
    Location: Two Buttes Reservoir
  216. Orchard Oriole Icterus spurius
    # Count: 5
    Date:
    Observer: Brian Genge
    Location: Two Buttes Reservoir
  217. Bullock's Oriole Icterus bullockii
    # Count: 17
    Date:
    Observer: Brian Genge
    Location: Two Buttes Reservoir
  218. Common Nighthawk Chordeiles minor
    # Count: 1
    Date:
    Observer: Brian Genge
    Location: Two Buttes Reservoir
  219. Mexican Duck Anas diazi
    # Count: 1
    Date:
    Observer: Steven Mlodinow
    Location: Two Buttes Reservoir
  220. Greater Yellowlegs Tringa melanoleuca
    # Count: 7
    Date:
    Observer: Steven Mlodinow
    Location: Two Buttes Reservoir
  221. Yellow-headed Blackbird Xanthocephalus xanthocephalus
    # Count: 200
    Date:
    Observer: Steven Mlodinow
    Location: Two Buttes Reservoir
  222. Burrowing Owl Athene cunicularia
    # Count: 8
    Date:
    Observer: Jeremy Alcorn
    Location: Two Buttes Reservoir
  223. Yellow-bellied Sapsucker Sphyrapicus varius
    # Count: 1
    Date:
    Observer: Jeremy Alcorn
    Location: Two Buttes Reservoir
  224. Loggerhead Shrike Lanius ludovicianus
    # Count: 2
    Date:
    Observer: Jeremy Alcorn
    Location: Two Buttes Reservoir
  225. Blue Jay Cyanocitta cristata
    # Count: 1
    Date:
    Observer: Jeremy Alcorn
    Location: Two Buttes Reservoir
  226. Blue-winged Teal Spatula discors
    # Count: 75
    Date:
    Observer: matt newport
    Location: Two Buttes Reservoir
  227. Red-bellied Woodpecker Melanerpes carolinus
    # Count: 1
    Date:
    Observer: Jesse Casias
    Location: Two Buttes Reservoir
  228. Upland Sandpiper Bartramia longicauda
    # Count: 5
    Date:
    Observer: Glenn Walbek
    Location: Two Buttes Reservoir
  229. Black Tern Chlidonias niger
    # Count: 35
    Date:
    Observer: Glenn Walbek
    Location: Two Buttes Reservoir
  230. Clay-colored Sparrow Spizella pallida
    # Count: 2
    Date:
    Observer: David Suddjian
    Location: Two Buttes Reservoir
  231. Wilson's Snipe Gallinago delicata
    # Count: 1
    Date:
    Observer: Glenn Walbek
    Location: Two Buttes Reservoir
  232. Merlin Falco columbarius
    # Count: 1
    Date:
    Observer: Glenn Walbek
    Location: Two Buttes Reservoir
  233. Gray Catbird Dumetella carolinensis
    # Count: 1
    Date:
    Observer: Glenn Walbek
    Location: Two Buttes Reservoir
  234. Red Crossbill Loxia curvirostra
    # Count: 7
    Date:
    Observer: Glenn Walbek
    Location: Two Buttes Reservoir
  235. White-throated Sparrow Zonotrichia albicollis
    # Count: 10
    Date:
    Observer: Glenn Walbek
    Location: Two Buttes Reservoir
  236. Bufflehead Bucephala albeola
    # Count: 77
    Date:
    Observer: Mark Peterson
    Location: Two Buttes Reservoir
  237. Hooded Merganser Lophodytes cucullatus
    # Count: 5
    Date:
    Observer: Mark Peterson
    Location: Two Buttes Reservoir
  238. Short-billed Gull Larus brachyrhynchus
    # Count: 1
    Date:
    Observer: Mark Peterson
    Location: Two Buttes Reservoir
  239. Common Loon Gavia immer
    # Count: 1
    Date:
    Observer: Mark Peterson
    Location: Two Buttes Reservoir
  240. Northern Shrike Lanius borealis
    # Count: 1
    Date:
    Observer: Mark Peterson
    Location: Two Buttes Reservoir
  241. Common Merganser Mergus merganser
    # Count: 33
    Date:
    Observer: Brian Genge
    Location: Two Buttes Reservoir
  242. Lapland Longspur Calcarius lapponicus
    # Count: 8
    Date:
    Observer: Brian Genge
    Location: Two Buttes Reservoir
  243. Broad-winged Hawk Buteo platypterus
    # Count: 1
    Date:
    Observer: Doris Ratchford
    Location: Two Buttes Reservoir
  244. Northern Cardinal Cardinalis cardinalis
    # Count: 1
    Date:
    Observer: Doris Ratchford
    Location: Two Buttes Reservoir
  245. Northern Bobwhite Colinus virginianus
    # Count: 2
    Date:
    Observer: Scott Shaum
    Location: Two Buttes Reservoir
  246. Western Grebe Aechmophorus occidentalis
    # Count: 5
    Date:
    Observer: Scott Shaum
    Location: Two Buttes Reservoir
  247. Snowy Egret Egretta thula
    # Count: 1
    Date:
    Observer: Scott Shaum
    Location: Two Buttes Reservoir
  248. Western Cattle Egret Bubulcus ibis
    # Count: 2
    Date:
    Observer: Scott Shaum
    Location: Two Buttes Reservoir
  249. Great Egret Ardea alba
    # Count: 1
    Date:
    Observer: Scott Shaum
    Location: Two Buttes Reservoir
  250. White-faced Ibis Plegadis chihi
    # Count: 40
    Date:
    Observer: Scott Shaum
    Location: Two Buttes Reservoir
  251. Cinnamon Teal Spatula cyanoptera
    # Count: 4
    Date:
    Observer: Scott Shaum
    Location: Two Buttes Reservoir
  252. Eared Grebe Podiceps nigricollis
    # Count: 24
    Date:
    Observer: Scott Shaum
    Location: Two Buttes Reservoir
  253. Black-necked Stilt Himantopus mexicanus
    # Count: 2
    Date:
    Observer: Scott Shaum
    Location: Two Buttes Reservoir
  254. Marbled Godwit Limosa fedoa
    # Count: 2
    Date:
    Observer: Scott Shaum
    Location: Two Buttes Reservoir
  255. Brewer's Blackbird Euphagus cyanocephalus
    # Count: 3
    Date:
    Observer: Scott Shaum
    Location: Two Buttes Reservoir
  256. Ring-billed Gull Larus delawarensis
    # Count: 58
    Date:
    Observer: Steven Mlodinow
    Location: Two Buttes Reservoir
  257. Indigo Bunting Passerina cyanea
    # Count: 1
    Date:
    Observer: Steven Mlodinow
    Location: Two Buttes Reservoir
  258. Western Tanager Piranga ludoviciana
    # Count: 1
    Date:
    Observer: Kara Carragher
    Location: Two Buttes Reservoir
  259. Bank Swallow Riparia riparia
    # Count: 3
    Date:
    Observer: Doug Ward
    Location: Two Buttes Reservoir
  260. Bald Eagle Haliaeetus leucocephalus
    # Count: 2
    Date:
    Observer: Scott Dieni
    Location: Two Buttes Reservoir

Exotic: Provisional (1)

  1. Ring-necked Pheasant Phasianus colchicus
    # Count: 1
    Date:
    Observer: Will Piper
    Location: Two Buttes Reservoir

Additional Taxa (18)

  1. Lesser/Greater Yellowlegs Tringa flavipes/melanoleuca
    # Count: X
    Date:
    Observer: Laurens Halsey
    Location: Two Buttes Reservoir
  2. duck sp. Anatidae (duck sp.)
    # Count: 1000
    Date:
    Observer: David Ely
    Location: Two Buttes Reservoir
  3. passerine sp. Passeriformes sp.
    # Count: 1
    Date:
    Observer: Chelsea Weithman
    Location: Two Buttes Reservoir
  4. tern sp. Sterninae sp.
    # Count: 8
    Date:
    Observer: Kathy Mihm Dunning
    Location: Two Buttes Reservoir
  5. Glossy/White-faced Ibis Plegadis falcinellus/chihi
    # Count: 130
    Date:
    Observer: carl starace
    Location: Two Buttes Reservoir
  6. raven sp. Corvus sp. (raven sp.)
    # Count: 3
    Date:
    Observer: Mark Peterson
    Location: Two Buttes Reservoir
  7. Western/Clark's Grebe Aechmophorus occidentalis/clarkii
    # Count: 1
    Date:
    Observer: Van Truan
    Location: Two Buttes Reservoir
  8. teal sp. Anatidae sp. (teal sp.)
    # Count: 8
    Date:
    Observer: Tony Leukering
    Location: Two Buttes Reservoir
  9. Greater/Lesser Scaup Aythya marila/affinis
    # Count: 14
    Date:
    Observer: David Dowell
    Location: Two Buttes Reservoir
  10. shorebird sp. Charadriiformes sp.
    # Count: 20
    Date:
    Observer: Kathy Mihm Dunning
    Location: Two Buttes Reservoir
  11. peep sp. Calidris sp. (peep sp.)
    # Count: 15
    Date:
    Observer: Mark Peterson
    Location: Two Buttes Reservoir
  12. Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceus
    # Count: 1
    Date:
    Observer: Mark Peterson
    Location: Two Buttes Reservoir
  13. swallow sp. Hirundinidae sp.
    # Count: 10
    Date:
    Observer: Nathan Pieplow
    Location: Two Buttes Reservoir
  14. towhee sp. Melozone/Pipilo sp.
    # Count: 1
    Date:
    Observer: Diane Roberts
    Location: Two Buttes Reservoir
  15. Blue-winged/Cinnamon Teal Spatula discors/cyanoptera
    # Count: 10
    Date:
    Observer: David Wolf
    Location: Two Buttes Reservoir
  16. dabbling duck sp. Anatidae sp. (dabbling duck sp.)
    # Count: 40
    Date:
    Observer: David Suddjian
    Location: Two Buttes Reservoir
  17. Spizella sp. Spizella sp.
    # Count: 10
    Date:
    Observer: David Suddjian
    Location: Two Buttes Reservoir
  18. new world sparrow sp. Passerellidae sp.
    # Count: 6
    Date:
    Observer: David Suddjian
    Location: Two Buttes Reservoir