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The Cornell Lab of Ornithology builds the eBird global platform for communities and partners around the world to advance data-driven science, education, and conservation.

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Great Western Reservoir (closed to public)

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Illustrated Checklist

 Powered by Macaulay Library and eBird
Updated ~2 minutes ago

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191 Species Observed
Species w/ Photos
Species w/ Audio
Species Needing Photos
Species Needing Audio
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Native and Naturalized (191)

  1. Last observed by Norman Erthal on 1 Dec 2023
  2. Last observed by Chipper Phillips on 16 Mar 2024
  3. Last observed by Jason Cole on 14 Apr 2024
  4. Last observed by Tyler Wilson on 1 Nov 2023
  5. Last observed by Jack Bushong on 6 Oct 2019
  6. Last observed by Jason Cole on 14 Apr 2024
  7. Last observed by Chipper Phillips on 27 May 2023
  8. Last observed by Jason Cole on 14 Apr 2024
  9. Last observed by Eric DeFonso 🦑 on 4 Apr 2024
  10. Last observed by Norman Erthal on 2 Apr 2024
  11. Last observed by Jason Cole on 14 Apr 2024
  12. Last observed by Matt Hofeditz on 20 Mar 2024
  13. Last observed by Chipper Phillips on 16 Mar 2024
  14. Last observed by Eric DeFonso 🦑 on 11 Jan 2024
  15. Last observed by Norman Erthal on 2 Apr 2024
  16. Last observed by Eric DeFonso 🦑 on 29 Mar 2024
  17. Last observed by Jeff Birek on 17 Dec 2023
  18. Last observed by Jason Cole on 14 Apr 2024
  19. Last observed by Eric DeFonso 🦑 on 11 Jan 2024
  20. Last observed by Jason Cole on 14 Apr 2024
  21. Last observed by Jason Cole on 14 Apr 2024
  22. Last observed by Jason Cole on 14 Apr 2024
  23. Last observed by Jason Cole on 14 Apr 2024
  24. Last observed by Tyler Wilson on 7 Apr 2024
  25. Last observed by Jason Cole on 14 Apr 2024
  26. Last observed by Jason Cole on 14 Apr 2024
  27. Last observed by Jason Cole on 14 Apr 2024
  28. Last observed by Cole Wild on 22 Oct 2011
  29. Last observed by Norman Erthal on 20 Dec 2023
  30. Last observed by Jason Cole on 14 Apr 2024
  31. Last observed by Chipper Phillips on 27 May 2023
  32. Last observed by Jason Cole on 14 Apr 2024
  33. Last observed by Eric DeFonso 🦑 on 29 Mar 2024
  34. Last observed by Jason Cole on 14 Apr 2024
  35. Last observed by Chris Petrizzo on 30 Jul 2023
  36. Last observed by Chipper Phillips on 24 Apr 2019
  37. Last observed by Tyler Wilson on 9 May 2023
  38. Last observed by Chipper Phillips on 6 Sep 2020
  39. Last observed by Chris Petrizzo on 30 Jul 2023
  40. Last observed by Eric DeFonso 🦑 on 12 Sep 2020
  41. Last observed by Chipper Phillips on 26 Jun 2021
  42. Last observed by Jason Cole on 14 Apr 2024
  43. Last observed by Matt Hofeditz on 11 Nov 2023
  44. Last observed by Jason Cole on 31 Jul 2022
  45. Last observed by David de Rivera Tønnessen on 31 Oct 2021
  46. Last observed by Tyler Wilson on 4 Oct 2020
  47. Last observed by Eric DeFonso 🦑 on 8 Nov 2023
  48. Last observed by Chris Petrizzo on 6 Sep 2021
  49. Last observed by Bill Lotz on 30 Apr 2012
  50. Last observed by Jason Cole on 28 Aug 2022
  51. Last observed by Norman Erthal on 30 Sep 2021
  52. Last observed by Eric DeFonso 🦑 on 8 Nov 2023
  53. Last observed by Mike Clark on 30 Sep 2021
  54. Last observed by Chipper Phillips on 14 Aug 2021
  55. Last observed by Matt Hofeditz on 25 Sep 2022
  56. Last observed by Adriana Jacobi 🦜 on 26 Sep 2023
  57. Last observed by Chipper Phillips on 9 Sep 2023
  58. Last observed by Eric DeFonso 🦑 on 14 Sep 2022
  59. Last observed by Bill Lotz on 30 Apr 2012
  60. Last observed by Chipper Phillips on 21 Aug 2022
  61. Last observed by Chris Petrizzo on 6 Sep 2021
  62. Last observed by Tyler Wilson on 1 Nov 2023
  63. Last observed by Chipper Phillips on 18 Sep 2022
  64. Last observed by Jason Cole on 21 Aug 2022
  65. Last observed by Chipper Phillips on 26 Sep 2021
  66. Last observed by Jason Cole on 31 Jul 2022
  67. Last observed by Chipper Phillips on 19 Oct 2021
  68. Last observed by Norman Erthal on 10 Oct 2023
  69. Last observed by Jason Cole on 28 Apr 2024
  70. Last observed by Chipper Phillips on 2 Nov 2023
  71. Last observed by Chris Petrizzo on 24 Mar 2024
  72. Last observed by Chipper Phillips on 16 Mar 2024
  73. Last observed by Chipper Phillips on 16 Mar 2024
  74. Last observed by Norman Erthal on 6 Jan 2024
  75. Last observed by Cole Wild on 31 Dec 2023
  76. Last observed by Chipper Phillips on 14 Aug 2021
  77. Last observed by Matt Hofeditz on 29 Apr 2023
  78. Last observed by David Ely on 16 Sep 2005
  79. Last observed by David Ely on 18 Nov 2006
  80. Last observed by Jason Cole on 14 Apr 2024
  81. Last observed by Jason Cole on 14 Apr 2024
  82. Last observed by Chris Petrizzo on 2 Aug 2020
  83. Last observed by Norman Erthal on 10 Oct 2023
  84. Last observed by Norman Erthal on 25 Aug 2019
  85. Last observed by Jason Cole on 26 Aug 2023
  86. Last observed by Tyler Wilson on 31 Mar 2024
  87. Last observed by Chris Petrizzo on 11 Jun 2019
  88. Last observed by Jason Cole on 7 Apr 2024
  89. Last observed by David Ely on 29 May 2022
  90. Last observed by Jason Cole on 24 Feb 2024
  91. Last observed by Jason Cole on 2 Mar 2024
  92. Last observed by Matt Hofeditz on 29 Apr 2023
  93. Last observed by Jason Cole on 29 Apr 2023
  94. Last observed by Nick Moore on 7 May 2013
  95. Last observed by Jason Cole on 27 Jan 2024
  96. Last observed by Art Hudak on 28 Jul 2023
  97. Last observed by Jason Cole on 15 Mar 2024
  98. Last observed by Kelly Ormesher on 1 Feb 2022
  99. Last observed by Jason Cole on 27 Jan 2024
  100. Last observed by Chris Petrizzo on 17 Sep 2019
  101. Last observed by Chipper Phillips on 2 Nov 2023
  102. Last observed by Norman Erthal on 2 Apr 2024
  103. Last observed by Jason Cole on 25 Sep 2022
  104. Last observed by Chris Petrizzo on 3 Mar 2024
  105. Last observed by Chris Petrizzo on 13 Nov 2020
  106. Last observed by Eric DeFonso 🦑 on 4 Apr 2024
  107. Last observed by Jason Cole on 14 Apr 2024
  108. Last observed by Matt Hofeditz on 11 Nov 2023
  109. Last observed by Eric DeFonso 🦑 on 19 Sep 2022
  110. Last observed by Tyler Wilson on 31 Mar 2024
  111. Last observed by Jason Cole on 21 Aug 2022
  112. Last observed by Chipper Phillips on 19 Jun 2020
  113. Last observed by Chipper Phillips on 31 May 2020
  114. Last observed by Chipper Phillips on 5 Sep 2021
  115. Last observed by Jason Cole on 14 Apr 2024
  116. Last observed by Chris Petrizzo on 24 Jul 2021
  117. Last observed by Chipper Phillips on 18 Sep 2022
  118. Last observed by Chipper Phillips on 9 Sep 2023
  119. Last observed by Anonymous eBirder on 1 Aug 2021
  120. Last observed by Chipper Phillips on 17 Aug 2022
  121. Last observed by Chipper Phillips on 12 Feb 2024
  122. Last observed by Jason Cole on 26 Nov 2023
  123. Last observed by Tyler Wilson on 31 Mar 2024
  124. Last observed by Chipper Phillips on 16 Mar 2024
  125. Last observed by Eric DeFonso 🦑 on 29 Mar 2024
  126. Last observed by Nick Moore on 22 Dec 2023
  127. Last observed by Tyler Wilson on 18 Oct 2023
  128. Last observed by Luke Pheneger on 12 Sep 2020
  129. Last observed by Jason Cole on 14 Apr 2024
  130. Last observed by Chipper Phillips on 22 May 2022
  131. Last observed by Chipper Phillips on 31 May 2020
  132. Last observed by Matt Hofeditz on 7 Oct 2023
  133. Last observed by Chris Petrizzo on 30 Jul 2023
  134. Last observed by Tyler Wilson on 4 Oct 2020
  135. Last observed by Christian Nunes on 20 Sep 2020
  136. Last observed by Norman Erthal on 26 Sep 2021
  137. Last observed by Eric DeFonso 🦑 on 19 Sep 2022
  138. Last observed by Chris Petrizzo on 17 Oct 2021
  139. Last observed by Norman Erthal on 26 Sep 2021
  140. Last observed by Chipper Phillips on 24 Aug 2020
  141. Last observed by Jason Cole on 14 Apr 2024
  142. Last observed by Chipper Phillips on 28 Aug 2021
  143. Last observed by Tyler Wilson on 31 Mar 2024
  144. Last observed by Chris Petrizzo on 30 Jul 2023
  145. Last observed by Matt Hofeditz on 20 Mar 2024
  146. Last observed by David Ely on 4 Mar 2023
  147. Last observed by Jason Cole on 14 Apr 2024
  148. Last observed by Chipper Phillips on 13 Jul 2020
  149. Last observed by Jason Cole on 15 Mar 2024
  150. Last observed by Eric DeFonso 🦑 on 8 Nov 2023
  151. Last observed by Chris Petrizzo on 17 Nov 2019
  152. Last observed by Jason Cole on 14 Apr 2024
  153. Last observed by Dan Hayes on 27 Sep 2022
  154. Last observed by Chris Petrizzo on 30 Jul 2023
  155. Last observed by Jason Cole on 14 Apr 2024
  156. Last observed by David Ely on 1 Jul 2006
  157. Last observed by Chipper Phillips on 27 May 2023
  158. Last observed by Jason Cole on 14 Apr 2024
  159. Last observed by Jason Cole on 26 Aug 2023
  160. Last observed by Jason Cole on 26 Aug 2023
  161. Last observed by Chris Petrizzo on 30 Jul 2023
  162. Last observed by Jason Cole on 26 Aug 2023
  163. Last observed by Jason Cole on 7 Jan 2024
  164. Last observed by Chris Petrizzo on 3 Mar 2024
  165. Last observed by Jason Cole on 26 Nov 2023
  166. Last observed by Chipper Phillips on 9 Sep 2023
  167. Last observed by Chipper Phillips on 18 Sep 2022
  168. Last observed by Adriana Jacobi 🦜 on 5 Jan 2024
  169. Last observed by Chipper Phillips on 17 Sep 2020
  170. Last observed by Tyler Wilson on 9 May 2023
  171. Last observed by Chipper Phillips on 3 Oct 2021
  172. Last observed by Chipper Phillips on 26 Jun 2021
  173. Last observed by Jason Cole on 14 Apr 2024
  174. Last observed by Jason Cole on 14 Apr 2024
  175. Last observed by Chris Petrizzo on 30 Jul 2023
  176. Last observed by Jason Cole on 14 Apr 2024
  177. Last observed by Art Hudak on 28 Jul 2023
  178. Last observed by Eric DeFonso 🦑 on 19 Sep 2023
  179. Last observed by Tyler Wilson on 31 Mar 2024
  180. Last observed by Jason Cole on 31 Jul 2022
  181. Last observed by Eric DeFonso 🦑 on 18 Sep 2022
  182. Last observed by Chris Petrizzo on 17 Sep 2019
  183. Last observed by Chris Petrizzo on 30 Jul 2023
  184. Last observed by Jason Cole on 21 Aug 2022
  185. Last observed by Matt Hofeditz on 29 Apr 2023
  186. Last observed by Chipper Phillips on 28 Aug 2021
  187. Last observed by Chipper Phillips on 18 Sep 2022
  188. Last observed by Chipper Phillips on 4 Jun 2020
  189. Last observed by Chipper Phillips on 31 Aug 2019
  190. Last observed by Tyler Wilson on 31 May 2023
  191. Last observed by Chipper Phillips on 28 Aug 2021

Hybrids (1)

  1. Snow x Cackling Goose (hybrid) Anser caerulescens x Branta hutchinsii
    Last observed by David de Rivera Tønnessen on 31 Dec 2019

Additional Taxa (36)

  1. Cackling/Canada Goose Branta hutchinsii/canadensis
    Last observed by Norman Erthal on 12 Jan 2024
  2. Blue-winged/Cinnamon Teal Spatula discors/cyanoptera
    Last observed by Chipper Phillips on 21 Aug 2022
  3. teal sp. Anatidae sp. (teal sp.)
    Last observed by Jason Cole on 31 Jul 2022
  4. dabbling duck sp. Anatidae sp. (dabbling duck sp.)
    Last observed by Norman Erthal on 27 Sep 2023
  5. Greater/Lesser Scaup Aythya marila/affinis
    Last observed by Chipper Phillips on 16 Mar 2024
  6. Aythya sp. Aythya sp.
    Last observed by David de Rivera Tønnessen on 1 Mar 2019
  7. Common/Barrow's Goldeneye Bucephala clangula/islandica
    Last observed by Chipper Phillips on 3 Dec 2019
  8. Common/Red-breasted Merganser Mergus merganser/serrator
    Last observed by Jason Cole on 15 Mar 2024
  9. duck sp. Anatidae (duck sp.)
    Last observed by Tyler Wilson on 7 Apr 2024
  10. Horned/Eared Grebe Podiceps auritus/nigricollis
    Last observed by Tyler Wilson on 7 Apr 2024
  11. Western/Clark's Grebe Aechmophorus occidentalis/clarkii
    Last observed by Chipper Phillips on 21 Aug 2022
  12. grebe sp. Podicipedidae sp.
    Last observed by Jason Cole on 4 Mar 2023
  13. hummingbird sp. Trochilidae sp.
    Last observed by Jason Cole on 31 Jul 2022
  14. Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceus
    Last observed by Norman Erthal on 26 Sep 2021
  15. phalarope sp. Phalaropus sp.
    Last observed by Jason Cole on 4 Sep 2022
  16. Lesser/Greater Yellowlegs Tringa flavipes/melanoleuca
    Last observed by Chipper Phillips on 25 Apr 2020
  17. peep sp. Calidris sp. (peep sp.)
    Last observed by Chipper Phillips on 30 Aug 2020
  18. shorebird sp. Charadriiformes sp.
    Last observed by Tyler Wilson on 1 Nov 2023
  19. Herring/Iceland Gull Larus argentatus/glaucoides
    Last observed by Jason Cole on 2 Jan 2024
  20. Larus sp. Larus sp.
    Last observed by Thomas Heinrich on 31 Jan 2022
  21. gull sp. Larinae sp.
    Last observed by Jason Cole on 7 Jan 2024
  22. tern sp. Sterninae sp.
    Last observed by Raymond Sperger on 20 Aug 2022
  23. white egret sp. Egretta/Bubulcus/Ardea sp.
    Last observed by Jack Bushong on 25 Aug 2019
  24. Glossy/White-faced Ibis Plegadis falcinellus/chihi
    Last observed by Luke Pheneger on 12 Sep 2020
  25. Golden/Bald Eagle Aquila chrysaetos/Haliaeetus leucocephalus
    Last observed by Jason Cole on 27 Jan 2024
  26. Buteo sp. Buteo sp.
    Last observed by Jason Cole on 2 Dec 2023
  27. large falcon sp. Falco sp. (large falcon sp.)
    Last observed by Jason Cole on 9 Oct 2022
  28. falcon sp. Falco sp.
    Last observed by Jason Cole on 27 Jan 2024
  29. Empidonax sp. Empidonax sp.
    Last observed by Chipper Phillips on 28 Aug 2021
  30. Cassin's/Western Kingbird Tyrannus vociferans/verticalis
    Last observed by Chipper Phillips on 18 Sep 2022
  31. new world flycatcher sp. Tyrannidae sp.
    Last observed by Chipper Phillips on 4 Jun 2020
  32. swallow sp. Hirundinidae sp.
    Last observed by Norman Erthal on 18 Aug 2021
  33. bluebird sp. Sialia sp.
    Last observed by Chipper Phillips on 17 Apr 2020
  34. Spizella sp. Spizella sp.
    Last observed by Luke Pheneger on 12 Sep 2020
  35. new world sparrow sp. Passerellidae sp.
    Last observed by Jason Cole on 7 Apr 2024
  36. passerine sp. Passeriformes sp.
    Last observed by Jason Cole on 2 Dec 2023