Menu
The Cornell Lab
The Cornell Lab

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.

Change Region

Change Region

Brunner Reservoir & Broomfield Community Park

Directions Map

Explore...

Illustrated Checklist

 Powered by Macaulay Library and eBird
Updated ~36 seconds ago

Custom Time Period

Change Time Period

173 Species Observed
Species w/ Photos
Species w/ Audio
Species Needing Photos
Species Needing Audio
Jump to species
View all media

Native and Naturalized (173)

  1. Last observed by Chris Petrizzo on 28 Jan 2024
  2. Last observed by Eamon W on 16 Dec 2023
  3. Last observed by Chipper Phillips on 26 Nov 2021
  4. Last observed by David Ely on 16 Jan 2006
  5. Last observed by Tyler Wilson on 12 Mar 2024
  6. Last observed by Evan Appel on 20 Apr 2024
  7. Last observed by Loch Kilpatrick on 24 Feb 2002
  8. Last observed by Tony Leukering on 29 Nov 2008
  9. Last observed by Chipper Phillips on 7 May 2023
  10. Last observed by Loch Kilpatrick on 16 Mar 2007
  11. Last observed by Tamara Sparks on 27 Dec 2023
  12. Last observed by Taunya McGlochlin on 29 Apr 2024
  13. Last observed by Steve Ryder on 5 Nov 2023
  14. Last observed by Taunya McGlochlin on 29 Apr 2024
  15. Last observed by Chris Petrizzo on 3 Nov 2021
  16. Last observed by Tyler Wilson on 12 Mar 2024
  17. Last observed by David Ely on 2 Apr 2024
  18. Last observed by Lorraine Lanning on 4 Apr 2024
  19. Last observed by Taunya McGlochlin on 29 Apr 2024
  20. Last observed by Kristin Tallis on 7 Apr 2024
  21. Last observed by Evan Appel on 20 Apr 2024
  22. Last observed by Loch Kilpatrick on 29 Oct 2005
  23. Last observed by Evan Appel on 20 Apr 2024
  24. Last observed by Evan Appel on 20 Apr 2024
  25. Last observed by Kathy Mihm Dunning on 28 Nov 2021
  26. Last observed by William Zwartjes cc on 28 Mar 2024
  27. Last observed by William Zwartjes cc on 28 Mar 2024
  28. Last observed by Eric Zorawowicz on 16 Apr 2005
  29. Last observed by Taunya McGlochlin on 29 Apr 2024
  30. Last observed by Kristin Tallis on 7 Apr 2024
  31. Last observed by Kitty Corbett on 22 Apr 2023
  32. Last observed by Holly Peterson on 25 Apr 2021
  33. Last observed by Chris Petrizzo on 8 Jun 2023
  34. Last observed by Robert Tonge on 21 May 2023
  35. Last observed by Tyler Wilson on 9 Apr 2024
  36. Last observed by Allison Volk on 30 Mar 2024
  37. Last observed by Tyler Wilson on 9 Apr 2024
  38. Last observed by Loch Kilpatrick on 10 Jul 2006
  39. Last observed by Loch Kilpatrick on 12 Sep 2004
  40. Last observed by Eric DeFonso 🦑 on 25 Jul 2020
  41. Last observed by Chipper Phillips on 17 May 2023
  42. Last observed by Tyler Wilson on 2 Aug 2023
  43. Last observed by Evan Appel on 20 Apr 2024
  44. Last observed by Matt Hofeditz on 13 Mar 2024
  45. Last observed by Chris Petrizzo on 23 Apr 2020
  46. Last observed by Tyler Wilson on 9 Apr 2024
  47. Last observed by Doug Faulkner on 18 May 2006
  48. Last observed by Eric Zorawowicz on 31 Jul 2002
  49. Last observed by Eric Zorawowicz on 31 Mar 2007
  50. Last observed by David Ely on 4 May 2022
  51. Last observed by David Ely on 3 Oct 2002
  52. Last observed by Chris Petrizzo on 6 Aug 2023
  53. Last observed by Chris Petrizzo on 25 Apr 2021
  54. Last observed by Eamon W on 24 Jul 2020
  55. Last observed by Chipper Phillips on 1 May 2019
  56. Last observed by Tyler Wilson on 28 Oct 2020
  57. Last observed by Loch Kilpatrick on 7 Sep 2002
  58. Last observed by Eric Zorawowicz on 27 Apr 2006
  59. Last observed by Eric Zorawowicz on 23 Apr 2006
  60. Last observed by Eric DeFonso 🦑 on 3 Oct 2020
  61. Last observed by Chipper Phillips on 29 Oct 2019
  62. Last observed by Wolfe R on 29 Sep 2020
  63. Last observed by Eric Zorawowicz on 11 Apr 2002
  64. Last observed by Tyler Wilson on 12 Mar 2024
  65. Last observed by Chris Petrizzo on 12 Mar 2022
  66. Last observed by David Ely on 28 Oct 2020
  67. Last observed by David Ely on 28 Oct 2020
  68. Last observed by David Ely on 22 Sep 2005
  69. Last observed by Eric Zorawowicz on 9 May 2007
  70. Last observed by Loch Kilpatrick on 25 Apr 2005
  71. Last observed by Kristin Tallis on 7 Apr 2024
  72. Last observed by Taunya McGlochlin on 29 Apr 2024
  73. Last observed by Taunya McGlochlin on 29 Apr 2024
  74. Last observed by Taunya McGlochlin on 29 Apr 2024
  75. Last observed by Tyler Wilson on 9 Apr 2024
  76. Last observed by on 5 May 2012
  77. Last observed by David Ely on 13 Apr 2023
  78. Last observed by Dave Hawksworth on 27 Aug 2012
  79. Last observed by David Ely on 23 Apr 2022
  80. Last observed by Matt Hofeditz on 26 Sep 2021
  81. Last observed by Tyler Wilson on 9 Apr 2024
  82. Last observed by Matt Hofeditz on 7 Dec 2023
  83. Last observed by Tyler Wilson on 2 Aug 2023
  84. Last observed by Kristin Tallis on 7 Apr 2024
  85. Last observed by Loch Kilpatrick on 9 Dec 2001
  86. Last observed by David Ely on 17 Feb 2004
  87. Last observed by Duncan R on 17 Oct 2023
  88. Last observed by Gabriel Wiltse on 22 Sep 2018
  89. Last observed by Tyler Wilson on 12 Mar 2024
  90. Last observed by Evan Appel on 20 Apr 2024
  91. Last observed by Tyler Wilson on 9 Apr 2024
  92. Last observed by Matt Hofeditz on 21 Feb 2023
  93. Last observed by Aaron Shipe on 27 Feb 2021
  94. Last observed by Chris Petrizzo on 9 May 2020
  95. Last observed by Tyler Wilson on 9 Apr 2024
  96. Last observed by Chris Brobin on 9 Sep 2017
  97. Last observed by Ben J on 16 Aug 2021
  98. Last observed by Loch Kilpatrick on 15 May 2005
  99. Last observed by Chipper Phillips on 15 Sep 2019
  100. Last observed by Chris Petrizzo on 27 Aug 2019
  101. Last observed by Evan Appel on 20 Apr 2024
  102. Last observed by Eric Zorawowicz on 9 Apr 2003
  103. Last observed by Tyler Wilson on 1 Nov 2023
  104. Last observed by William Zwartjes cc on 28 Mar 2024
  105. Last observed by Matt Hofeditz on 13 Dec 2023
  106. Last observed by Allison Volk on 30 Mar 2024
  107. Last observed by Ryan Bushong on 28 Oct 2020
  108. Last observed by Chris Petrizzo on 28 Oct 2019
  109. Last observed by Matt Hofeditz on 7 May 2022
  110. Last observed by Robert Tonge on 21 May 2023
  111. Last observed by Robert Tonge on 21 May 2023
  112. Last observed by Robert Tonge on 21 May 2023
  113. Last observed by Eamon W on 15 Aug 2023
  114. Last observed by Tyler Wilson on 2 Aug 2023
  115. Last observed by Tyler Wilson on 1 Nov 2023
  116. Last observed by Tyler Wilson on 18 Oct 2023
  117. Last observed by Allison Volk on 30 Mar 2024
  118. Last observed by Allison Volk on 30 Mar 2024
  119. Last observed by Loch Kilpatrick on 26 Sep 2004
  120. Last observed by Jason Cole on 30 Apr 2020
  121. Last observed by Gabriel Wiltse on 22 Sep 2018
  122. Last observed by Jeff Percell on 20 May 2023
  123. Last observed by Patrick Del Pizzo on 26 Sep 2022
  124. Last observed by Evan Appel on 20 Apr 2024
  125. Last observed by David Ely on 31 Jul 2021
  126. Last observed by Loch Kilpatrick on 16 Oct 2004
  127. Last observed by Loch Kilpatrick on 26 Sep 2004
  128. Last observed by Chris Petrizzo on 26 Oct 2020
  129. Last observed by Evan Appel on 20 Apr 2024
  130. Last observed by David Ely on 4 Mar 2023
  131. Last observed by David Ely on 27 Apr 2023
  132. Last observed by Tyler Wilson on 9 Apr 2024
  133. Last observed by David Ely on 2 May 2006
  134. Last observed by Tyler Wilson on 9 Apr 2024
  135. Last observed by Matt Hofeditz on 26 Mar 2023
  136. Last observed by Matt Hofeditz on 17 Oct 2021
  137. Last observed by Kim Kennedy White on 18 May 2022
  138. Last observed by Steve Ryder on 4 Jan 2024
  139. Last observed by Jeff Percell on 20 May 2023
  140. Last observed by Matt Hofeditz on 7 May 2022
  141. Last observed by Patrick Del Pizzo on 26 Sep 2022
  142. Last observed by David Ely on 4 May 2022
  143. Last observed by Chris Petrizzo on 2 Aug 2021
  144. Last observed by Holly Peterson on 6 Mar 2023
  145. Last observed by Tyler Wilson on 18 Oct 2023
  146. Last observed by David Ely on 4 May 2022
  147. Last observed by Eamon W on 26 Aug 2021
  148. Last observed by Christian Nunes on 20 Sep 2020
  149. Last observed by Kristin Tallis on 7 Apr 2024
  150. Last observed by Deborah Mowery-Evans on 8 May 2021
  151. Last observed by Chipper Phillips on 4 Dec 2022
  152. Last observed by Loch Kilpatrick on 16 Oct 2004
  153. Last observed by David Ely on 4 May 2022
  154. Last observed by Chris Petrizzo on 9 May 2020
  155. Last observed by Allison Volk on 30 Mar 2024
  156. Last observed by Eric DeFonso 🦑 on 25 Jul 2020
  157. Last observed by Taunya McGlochlin on 29 Apr 2024
  158. Last observed by Jamie Simo on 20 May 2023
  159. Last observed by Chipper Phillips on 7 May 2023
  160. Last observed by Taunya McGlochlin on 29 Apr 2024
  161. Last observed by Chipper Phillips on 7 May 2023
  162. Last observed by Patrick Del Pizzo on 26 Sep 2022
  163. Last observed by Loch Kilpatrick on 4 May 2003
  164. Last observed by David Ely on 25 Sep 2006
  165. Last observed by Tammy Williams on 29 Apr 2024
  166. Last observed by Loch Kilpatrick on 8 Sep 2002
  167. Last observed by Jamie Simo on 20 May 2023
  168. Last observed by Christine J on 13 May 2023
  169. Last observed by Norman Erthal on 13 Sep 2020
  170. Last observed by Christian Nunes on 20 Sep 2020
  171. Last observed by Riley Morris on 4 May 2019
  172. Last observed by Loch Kilpatrick on 12 Sep 2004
  173. Last observed by Loch Kilpatrick on 17 May 2004

Exotic: Escapee (1)

  1. Last observed by Loch Kilpatrick on 8 Sep 2002

Hybrids (3)

  1. Snow x Cackling Goose (hybrid) Anser caerulescens x Branta hutchinsii
    Last observed by Lorraine Lanning on 9 Nov 2019
  2. Ross's x Cackling Goose (hybrid) Anser rossii x Branta hutchinsii
    Last observed by Chipper Phillips on 12 Nov 2019
  3. Common x Barrow's Goldeneye (hybrid) Bucephala clangula x islandica
    Last observed by David Ely on 4 Mar 2023

Additional Taxa (15)

  1. Cackling/Canada Goose Branta hutchinsii/canadensis
    Last observed by Chris Petrizzo on 28 Jan 2024
  2. Blue-winged/Cinnamon Teal Spatula discors/cyanoptera
    Last observed by Chipper Phillips on 14 Sep 2019
  3. Greater/Lesser Scaup Aythya marila/affinis
    Last observed by Chipper Phillips on 14 Apr 2023
  4. duck sp. Anatidae (duck sp.)
    Last observed by Adam Green on 17 Jan 2023
  5. Horned/Eared Grebe Podiceps auritus/nigricollis
    Last observed by Chipper Phillips on 12 Sep 2019
  6. Larus sp. Larus sp.
    Last observed by Eamon W on 8 Jan 2022
  7. gull sp. Larinae sp.
    Last observed by Josh and Rachel Destree on 7 Nov 2021
  8. Sharp-shinned/Cooper's Hawk Accipiter striatus/cooperii
    Last observed by David Ely on 20 Oct 2019
  9. hawk sp. Accipitridae sp. (hawk sp.)
    Last observed by Owen Robertson on 12 Jun 2018
  10. large falcon sp. Falco sp. (large falcon sp.)
    Last observed by on 8 Apr 2012
  11. Cassin's/Western Kingbird Tyrannus vociferans/verticalis
    Last observed by David Ely on 13 Aug 2017
  12. swallow sp. Hirundinidae sp.
    Last observed by Eamon W on 19 Aug 2020
  13. Spizella sp. Spizella sp.
    Last observed by David Ely on 16 Sep 2018
  14. new world warbler sp. Parulidae sp.
    Last observed by Chipper Phillips on 20 Sep 2019
  15. passerine sp. Passeriformes sp.
    Last observed by Owen Robertson on 12 Jun 2018