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Cottonwood Reservoir

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Bird List

Updated ~10 seconds ago
177 All Years 114 This Year 2024 69 This Month Jun 2024
Last Observed First Observed High Count

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  1. Species Name
    Count
    Date
    Observer
    Location

Native and Naturalized (177)

  1. Snow Goose Anser caerulescens
    # Count: 1000
    Date:
    Observer: Scott Dean
    Location: Cottonwood Reservoir
  2. Ross's Goose Anser rossii
    # Count: 1
    Date:
    Observer: Mike Lesnik
    Location: Cottonwood Reservoir
  3. Greater White-fronted Goose Anser albifrons
    # Count: 2
    Date:
    Observer: Ned Bixler
    Location: Cottonwood Reservoir
  4. Cackling Goose Branta hutchinsii
    # Count: 2
    Date:
    Observer: Forrest Rowland
    Location: Cottonwood Reservoir
  5. Canada Goose Branta canadensis
    # Count: X
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  6. Trumpeter Swan Cygnus buccinator
    # Count: X
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  7. Tundra Swan Cygnus columbianus
    # Count: X
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  8. Wood Duck Aix sponsa
    # Count: 1
    Date:
    Observer: Ed Harper
    Location: Cottonwood Reservoir
  9. Blue-winged Teal Spatula discors
    # Count: X
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  10. Cinnamon Teal Spatula cyanoptera
    # Count: X
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  11. Northern Shoveler Spatula clypeata
    # Count: X
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  12. Gadwall Mareca strepera
    # Count: X
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  13. Eurasian Wigeon Mareca penelope
    # Count: 1
    Date:
    Observer: Forrest Rowland
    Location: Cottonwood Reservoir
  14. American Wigeon Mareca americana
    # Count: X
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  15. Mallard Anas platyrhynchos
    # Count: X
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  16. Northern Pintail Anas acuta
    # Count: X
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  17. Green-winged Teal Anas crecca
    # Count: X
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  18. Canvasback Aythya valisineria
    # Count: 100
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  19. Redhead Aythya americana
    # Count: X
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  20. Ring-necked Duck Aythya collaris
    # Count: X
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  21. Greater Scaup Aythya marila
    # Count: 1
    Date:
    Observer: Matthew Keefer
    Location: Cottonwood Reservoir
  22. Lesser Scaup Aythya affinis
    # Count: X
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  23. Surf Scoter Melanitta perspicillata
    # Count: 2
    Date:
    Observer: Andrew Guttenberg
    Location: Cottonwood Reservoir
  24. White-winged Scoter Melanitta deglandi
    # Count: 2
    Date:
    Observer: Forrest Rowland
    Location: Cottonwood Reservoir
  25. Black Scoter Melanitta americana
    # Count: 1
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  26. Bufflehead Bucephala albeola
    # Count: X
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  27. Common Goldeneye Bucephala clangula
    # Count: X
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  28. Barrow's Goldeneye Bucephala islandica
    # Count: 10
    Date:
    Observer: Mitch Hurt
    Location: Cottonwood Reservoir
  29. Hooded Merganser Lophodytes cucullatus
    # Count: X
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  30. Common Merganser Mergus merganser
    # Count: X
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  31. Red-breasted Merganser Mergus serrator
    # Count: X
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  32. Ruddy Duck Oxyura jamaicensis
    # Count: X
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  33. Wild Turkey Meleagris gallopavo
    # Count: X
    Date:
    Observer: Neil Travis
    Location: Cottonwood Reservoir
  34. Sharp-tailed Grouse Tympanuchus phasianellus
    # Count: 1
    Date:
    Observer: Kevin Ellison
    Location: Cottonwood Reservoir
  35. Gray Partridge Perdix perdix
    # Count: X
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  36. Ring-necked Pheasant Phasianus colchicus
    # Count: 2
    Date:
    Observer: Forrest Rowland
    Location: Cottonwood Reservoir
  37. Pied-billed Grebe Podilymbus podiceps
    # Count: X
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  38. Horned Grebe Podiceps auritus
    # Count: X
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  39. Red-necked Grebe Podiceps grisegena
    # Count: 1
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  40. Eared Grebe Podiceps nigricollis
    # Count: X
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  41. Western Grebe Aechmophorus occidentalis
    # Count: X
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  42. Clark's Grebe Aechmophorus clarkii
    # Count: 1
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  43. Rock Pigeon Columba livia
    # Count: X
    Date:
    Observer: Ed Harper
    Location: Cottonwood Reservoir
  44. Eurasian Collared-Dove Streptopelia decaocto
    # Count: 4
    Date:
    Observer: Forrest Rowland
    Location: Cottonwood Reservoir
  45. Mourning Dove Zenaida macroura
    # Count: X
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  46. Common Nighthawk Chordeiles minor
    # Count: X
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  47. Virginia Rail Rallus limicola
    # Count: 1
    Date:
    Observer: victor fesolowitz
    Location: Cottonwood Reservoir
  48. Sora Porzana carolina
    # Count: 1
    Date:
    Observer: Larry Akins
    Location: Cottonwood Reservoir
  49. American Coot Fulica americana
    # Count: X
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  50. Sandhill Crane Antigone canadensis
    # Count: X
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  51. Black-necked Stilt Himantopus mexicanus
    # Count: 2
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  52. American Avocet Recurvirostra americana
    # Count: X
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  53. Black-bellied Plover Pluvialis squatarola
    # Count: 1
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  54. American Golden-Plover Pluvialis dominica
    # Count: 3
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  55. Killdeer Charadrius vociferus
    # Count: X
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  56. Semipalmated Plover Charadrius semipalmatus
    # Count: 1
    Date:
    Observer: S Koenen
    Location: Cottonwood Reservoir
  57. Whimbrel Numenius phaeopus
    # Count: 2
    Date:
    Observer: Andrew Guttenberg
    Location: Cottonwood Reservoir
  58. Long-billed Curlew Numenius americanus
    # Count: 12
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  59. Marbled Godwit Limosa fedoa
    # Count: X
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  60. Short-billed Dowitcher Limnodromus griseus
    # Count: 1
    Date:
    Observer: Forrest Rowland
    Location: Cottonwood Reservoir
  61. Long-billed Dowitcher Limnodromus scolopaceus
    # Count: X
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  62. Wilson's Snipe Gallinago delicata
    # Count: X
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  63. Wilson's Phalarope Phalaropus tricolor
    # Count: X
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  64. Red-necked Phalarope Phalaropus lobatus
    # Count: 25
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  65. Spotted Sandpiper Actitis macularius
    # Count: 4
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  66. Solitary Sandpiper Tringa solitaria
    # Count: 1
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  67. Lesser Yellowlegs Tringa flavipes
    # Count: 2
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  68. Willet Tringa semipalmata
    # Count: X
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  69. Greater Yellowlegs Tringa melanoleuca
    # Count: 3
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  70. Ruddy Turnstone Arenaria interpres
    # Count: 1
    Date:
    Observer: Forrest Rowland
    Location: Cottonwood Reservoir
  71. Stilt Sandpiper Calidris himantopus
    # Count: 2
    Date:
    Observer: Robin Wolcott
    Location: Cottonwood Reservoir
  72. Buff-breasted Sandpiper Calidris subruficollis
    # Count: 1
    Date:
    Observer: Forrest Rowland
    Location: Cottonwood Reservoir
  73. Sanderling Calidris alba
    # Count: X
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  74. Dunlin Calidris alpina
    # Count: 1
    Date:
    Observer: victor fesolowitz
    Location: Cottonwood Reservoir
  75. Baird's Sandpiper Calidris bairdii
    # Count: X
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  76. Least Sandpiper Calidris minutilla
    # Count: X
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  77. Pectoral Sandpiper Calidris melanotos
    # Count: X
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  78. Western Sandpiper Calidris mauri
    # Count: 5
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  79. Semipalmated Sandpiper Calidris pusilla
    # Count: 20
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  80. Sabine's Gull Xema sabini
    # Count: 1
    Date:
    Observer: Ed Harper
    Location: Cottonwood Reservoir
  81. Bonaparte's Gull Chroicocephalus philadelphia
    # Count: 3
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  82. Franklin's Gull Leucophaeus pipixcan
    # Count: X
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  83. Ring-billed Gull Larus delawarensis
    # Count: 5
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  84. Herring Gull Larus argentatus
    # Count: 1
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  85. California Gull Larus californicus
    # Count: 3
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  86. Caspian Tern Hydroprogne caspia
    # Count: 1
    Date:
    Observer: Matthew Keefer
    Location: Cottonwood Reservoir
  87. Black Tern Chlidonias niger
    # Count: 4
    Date:
    Observer: S Koenen
    Location: Cottonwood Reservoir
  88. Forster's Tern Sterna forsteri
    # Count: 3
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  89. Common Tern Sterna hirundo
    # Count: 2
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  90. Pacific Loon Gavia pacifica
    # Count: 1
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  91. Common Loon Gavia immer
    # Count: 20
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  92. Double-crested Cormorant Nannopterum auritum
    # Count: 10
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  93. American White Pelican Pelecanus erythrorhynchos
    # Count: X
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  94. Black-crowned Night Heron Nycticorax nycticorax
    # Count: 1
    Date:
    Observer: victor fesolowitz
    Location: Cottonwood Reservoir
  95. Western Cattle Egret Bubulcus ibis
    # Count: 1
    Date:
    Observer: Mark Martucci
    Location: Cottonwood Reservoir
  96. Great Blue Heron Ardea herodias
    # Count: 1
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  97. White-faced Ibis Plegadis chihi
    # Count: 1
    Date:
    Observer: Ed Harper
    Location: Cottonwood Reservoir
  98. Turkey Vulture Cathartes aura
    # Count: 1
    Date:
    Observer: Forrest Rowland
    Location: Cottonwood Reservoir
  99. Osprey Pandion haliaetus
    # Count: X
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  100. Golden Eagle Aquila chrysaetos
    # Count: X
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  101. Northern Harrier Circus hudsonius
    # Count: X
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  102. Sharp-shinned Hawk Accipiter striatus
    # Count: 1
    Date:
    Observer: Forrest Rowland
    Location: Cottonwood Reservoir
  103. Cooper's Hawk Accipiter cooperii
    # Count: 1
    Date:
    Observer: Forrest Rowland
    Location: Cottonwood Reservoir
  104. Bald Eagle Haliaeetus leucocephalus
    # Count: X
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  105. Swainson's Hawk Buteo swainsoni
    # Count: 2
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  106. Red-tailed Hawk Buteo jamaicensis
    # Count: X
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  107. Rough-legged Hawk Buteo lagopus
    # Count: 1
    Date:
    Observer: Forrest Rowland
    Location: Cottonwood Reservoir
  108. Ferruginous Hawk Buteo regalis
    # Count: 1
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  109. Great Horned Owl Bubo virginianus
    # Count: 1
    Date:
    Observer: Mike Lesnik
    Location: Cottonwood Reservoir
  110. Short-eared Owl Asio flammeus
    # Count: 1
    Date:
    Observer: Matthew Keefer
    Location: Cottonwood Reservoir
  111. Belted Kingfisher Megaceryle alcyon
    # Count: 1
    Date:
    Observer: Ed Harper
    Location: Cottonwood Reservoir
  112. Hairy Woodpecker Dryobates villosus
    # Count: 2
    Date:
    Observer: victor fesolowitz
    Location: Cottonwood Reservoir
  113. Northern Flicker Colaptes auratus
    # Count: 1
    Date:
    Observer: Forrest Rowland
    Location: Cottonwood Reservoir
  114. American Kestrel Falco sparverius
    # Count: 1
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  115. Merlin Falco columbarius
    # Count: 1
    Date:
    Observer: Forrest Rowland
    Location: Cottonwood Reservoir
  116. Peregrine Falcon Falco peregrinus
    # Count: 1
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  117. Prairie Falcon Falco mexicanus
    # Count: 1
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  118. Western Wood-Pewee Contopus sordidulus
    # Count: 1
    Date:
    Observer: Lou Ann Harris
    Location: Cottonwood Reservoir
  119. Willow Flycatcher Empidonax traillii
    # Count: 2
    Date:
    Observer: James Boccia
    Location: Cottonwood Reservoir
  120. Hammond's Flycatcher Empidonax hammondii
    # Count: 1
    Date:
    Observer: James Boccia
    Location: Cottonwood Reservoir
  121. Say's Phoebe Sayornis saya
    # Count: 1
    Date:
    Observer: Julien Amsellem
    Location: Cottonwood Reservoir
  122. Western Kingbird Tyrannus verticalis
    # Count: X
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  123. Eastern Kingbird Tyrannus tyrannus
    # Count: 3
    Date:
    Observer: S Koenen
    Location: Cottonwood Reservoir
  124. Loggerhead Shrike Lanius ludovicianus
    # Count: 1
    Date:
    Observer: Mark Brown
    Location: Cottonwood Reservoir
  125. Northern Shrike Lanius borealis
    # Count: 1
    Date:
    Observer: Tom Forwood JR
    Location: Cottonwood Reservoir
  126. Black-billed Magpie Pica hudsonia
    # Count: X
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  127. American Crow Corvus brachyrhynchos
    # Count: X
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  128. Common Raven Corvus corax
    # Count: X
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  129. Mountain Chickadee Poecile gambeli
    # Count: 3
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  130. Horned Lark Eremophila alpestris
    # Count: X
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  131. Bank Swallow Riparia riparia
    # Count: 2
    Date:
    Observer: S Koenen
    Location: Cottonwood Reservoir
  132. Tree Swallow Tachycineta bicolor
    # Count: X
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  133. Violet-green Swallow Tachycineta thalassina
    # Count: X
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  134. Northern Rough-winged Swallow Stelgidopteryx serripennis
    # Count: 3
    Date:
    Observer: S Koenen
    Location: Cottonwood Reservoir
  135. Barn Swallow Hirundo rustica
    # Count: X
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  136. Cliff Swallow Petrochelidon pyrrhonota
    # Count: X
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  137. Rock Wren Salpinctes obsoletus
    # Count: X
    Date:
    Observer: Terry McEneaney
    Location: Cottonwood Reservoir
  138. Marsh Wren Cistothorus palustris
    # Count: 1
    Date:
    Observer: Ed Harper
    Location: Cottonwood Reservoir
  139. European Starling Sturnus vulgaris
    # Count: 2
    Date:
    Observer: Ed Harper
    Location: Cottonwood Reservoir
  140. Sage Thrasher Oreoscoptes montanus
    # Count: X
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  141. Mountain Bluebird Sialia currucoides
    # Count: 1
    Date:
    Observer: Ed Harper
    Location: Cottonwood Reservoir
  142. American Robin Turdus migratorius
    # Count: 4
    Date:
    Observer: Ed Harper
    Location: Cottonwood Reservoir
  143. Cedar Waxwing Bombycilla cedrorum
    # Count: 1
    Date:
    Observer: Anonymous eBirder
    Location: Cottonwood Reservoir
  144. American Pipit Anthus rubescens
    # Count: 3
    Date:
    Observer: S Koenen
    Location: Cottonwood Reservoir
  145. Sprague's Pipit Anthus spragueii
    # Count: 2
    Date:
    Observer: victor fesolowitz
    Location: Cottonwood Reservoir
  146. House Finch Haemorhous mexicanus
    # Count: X
    Date:
    Observer: Ed Harper
    Location: Cottonwood Reservoir
  147. Pine Siskin Spinus pinus
    # Count: 1
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  148. American Goldfinch Spinus tristis
    # Count: X
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  149. Lapland Longspur Calcarius lapponicus
    # Count: 1
    Date:
    Observer: Robin Wolcott
    Location: Cottonwood Reservoir
  150. Chestnut-collared Longspur Calcarius ornatus
    # Count: 1
    Date:
    Observer: Mitch Hurt
    Location: Cottonwood Reservoir
  151. Snow Bunting Plectrophenax nivalis
    # Count: 17
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  152. Grasshopper Sparrow Ammodramus savannarum
    # Count: 1
    Date:
    Observer: Forrest Rowland
    Location: Cottonwood Reservoir
  153. Chipping Sparrow Spizella passerina
    # Count: X
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  154. Clay-colored Sparrow Spizella pallida
    # Count: 2
    Date:
    Observer: S Koenen
    Location: Cottonwood Reservoir
  155. Brewer's Sparrow Spizella breweri
    # Count: 3
    Date:
    Observer: S Koenen
    Location: Cottonwood Reservoir
  156. Lark Sparrow Chondestes grammacus
    # Count: 1
    Date:
    Observer: Forrest Rowland
    Location: Cottonwood Reservoir
  157. Lark Bunting Calamospiza melanocorys
    # Count: 2
    Date:
    Observer: Forrest Rowland
    Location: Cottonwood Reservoir
  158. American Tree Sparrow Spizelloides arborea
    # Count: 4
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  159. Dark-eyed Junco Junco hyemalis
    # Count: 1
    Date:
    Observer: Garrett Carlson
    Location: Cottonwood Reservoir
  160. White-crowned Sparrow Zonotrichia leucophrys
    # Count: 1
    Date:
    Observer: Matthew Keefer
    Location: Cottonwood Reservoir
  161. Vesper Sparrow Pooecetes gramineus
    # Count: X
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  162. Savannah Sparrow Passerculus sandwichensis
    # Count: X
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  163. Song Sparrow Melospiza melodia
    # Count: 2
    Date:
    Observer: Ed Harper
    Location: Cottonwood Reservoir
  164. Lincoln's Sparrow Melospiza lincolnii
    # Count: 1
    Date:
    Observer: James Manning
    Location: Cottonwood Reservoir
  165. Spotted Towhee Pipilo maculatus
    # Count: 1
    Date:
    Observer: Connor Cochrane
    Location: Cottonwood Reservoir
  166. Yellow-breasted Chat Icteria virens
    # Count: 1
    Date:
    Observer: James Manning
    Location: Cottonwood Reservoir
  167. Yellow-headed Blackbird Xanthocephalus xanthocephalus
    # Count: X
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  168. Western Meadowlark Sturnella neglecta
    # Count: X
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  169. Bullock's Oriole Icterus bullockii
    # Count: 1
    Date:
    Observer: James Manning
    Location: Cottonwood Reservoir
  170. Red-winged Blackbird Agelaius phoeniceus
    # Count: X
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  171. Brown-headed Cowbird Molothrus ater
    # Count: 1
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  172. Brewer's Blackbird Euphagus cyanocephalus
    # Count: X
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  173. Common Grackle Quiscalus quiscula
    # Count: X
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  174. Common Yellowthroat Geothlypis trichas
    # Count: 2
    Date:
    Observer: Ed Harper
    Location: Cottonwood Reservoir
  175. Yellow Warbler Setophaga petechia
    # Count: 1
    Date:
    Observer: Ed Harper
    Location: Cottonwood Reservoir
  176. Yellow-rumped Warbler Setophaga coronata
    # Count: 1
    Date:
    Observer: Matthew Keefer
    Location: Cottonwood Reservoir
  177. Wilson's Warbler Cardellina pusilla
    # Count: 1
    Date:
    Observer: Forrest Rowland
    Location: Cottonwood Reservoir

Hybrids (1)

  1. Western x Clark's Grebe (hybrid) Aechmophorus occidentalis x clarkii
    # Count: 1
    Date:
    Observer: Andrew Guttenberg
    Location: Cottonwood Reservoir

Additional Taxa (29)

  1. Snow/Ross's Goose Anser caerulescens/rossii
    # Count: 20
    Date:
    Observer: Scott Dean
    Location: Cottonwood Reservoir
  2. Trumpeter/Tundra Swan Cygnus buccinator/columbianus
    # Count: 50
    Date:
    Observer: Tom Forwood JR
    Location: Cottonwood Reservoir
  3. Blue-winged/Cinnamon Teal Spatula discors/cyanoptera
    # Count: 50
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  4. teal sp. Anatidae sp. (teal sp.)
    # Count: 50
    Date:
    Observer: Forrest Rowland
    Location: Cottonwood Reservoir
  5. dabbling duck sp. Anatidae sp. (dabbling duck sp.)
    # Count: 40
    Date:
    Observer: Tony Leukering
    Location: Cottonwood Reservoir
  6. Greater/Lesser Scaup Aythya marila/affinis
    # Count: 80
    Date:
    Observer: Forrest Rowland
    Location: Cottonwood Reservoir
  7. Aythya sp. Aythya sp.
    # Count: 7
    Date:
    Observer: Forrest Rowland
    Location: Cottonwood Reservoir
  8. Common/Barrow's Goldeneye Bucephala clangula/islandica
    # Count: 4
    Date:
    Observer: Brent Miller
    Location: Cottonwood Reservoir
  9. Common/Red-breasted Merganser Mergus merganser/serrator
    # Count: X
    Date:
    Observer: D Drislane
    Location: Cottonwood Reservoir
  10. duck sp. Anatidae (duck sp.)
    # Count: X
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  11. waterfowl sp. Anatidae sp.
    # Count: 175
    Date:
    Observer: Julien Amsellem
    Location: Cottonwood Reservoir
  12. Horned/Eared Grebe Podiceps auritus/nigricollis
    # Count: 13
    Date:
    Observer: Addi Kyte
    Location: Cottonwood Reservoir
  13. Western/Clark's Grebe Aechmophorus occidentalis/clarkii
    # Count: 6
    Date:
    Observer: Forrest Rowland
    Location: Cottonwood Reservoir
  14. grebe sp. Podicipedidae sp.
    # Count: 10
    Date:
    Observer: Scott Dean
    Location: Cottonwood Reservoir
  15. hummingbird sp. Trochilidae sp.
    # Count: 1
    Date:
    Observer: victor fesolowitz
    Location: Cottonwood Reservoir
  16. Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceus
    # Count: 1
    Date:
    Observer: Forrest Rowland
    Location: Cottonwood Reservoir
  17. phalarope sp. Phalaropus sp.
    # Count: 1
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  18. Lesser/Greater Yellowlegs Tringa flavipes/melanoleuca
    # Count: 1
    Date:
    Observer: Christopher Brown
    Location: Cottonwood Reservoir
  19. peep sp. Calidris sp. (peep sp.)
    # Count: 60
    Date:
    Observer: Forrest Rowland
    Location: Cottonwood Reservoir
  20. shorebird sp. Charadriiformes sp.
    # Count: 300
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  21. gull sp. Larinae sp.
    # Count: 1
    Date:
    Observer: Robin Wolcott
    Location: Cottonwood Reservoir
  22. Sterna sp. Sterna sp.
    # Count: 4
    Date:
    Observer: D Drislane
    Location: Cottonwood Reservoir
  23. Golden/Bald Eagle Aquila chrysaetos/Haliaeetus leucocephalus
    # Count: 1
    Date:
    Observer: Jacob Lilley
    Location: Cottonwood Reservoir
  24. eagle sp. Accipitridae sp. (eagle sp.)
    # Count: 1
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  25. falcon sp. Falco sp.
    # Count: 1
    Date:
    Observer: victor fesolowitz
    Location: Cottonwood Reservoir
  26. swallow sp. Hirundinidae sp.
    # Count: 200
    Date:
    Observer: John Parker
    Location: Cottonwood Reservoir
  27. new world sparrow sp. Passerellidae sp.
    # Count: 9
    Date:
    Observer: Ed Harper
    Location: Cottonwood Reservoir
  28. blackbird sp. Icteridae sp.
    # Count: 25
    Date:
    Observer: victor fesolowitz
    Location: Cottonwood Reservoir
  29. passerine sp. Passeriformes sp.
    # Count: 5
    Date:
    Observer: Robin Wolcott
    Location: Cottonwood Reservoir