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Patuxent Research Refuge

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Illustrated Checklist

 Powered by Macaulay Library and eBird
Updated ~25 seconds ago

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214 Species Observed
Species w/ Photos
Species w/ Audio
Species Needing Photos
Species Needing Audio
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Native and Naturalized (214)

  1. Last observed by Sue and Alan Young on 26 Nov 2023
  2. Last observed by cara masullo on 23 Apr 2024
  3. Last observed by robert laker on 13 Oct 1983
  4. Last observed by Fernando Arce on 16 Dec 2022
  5. Last observed by Sue and Alan Young on 26 Nov 2023
  6. Last observed by Sam Denenberg on 18 Apr 2024
  7. Last observed by Zachary Wood on 5 May 2023
  8. Last observed by Chris Bowden on 16 Mar 2015
  9. Last observed by Fernando Arce on 29 Mar 2023
  10. Last observed by Sam Denenberg on 18 Apr 2024
  11. Last observed by Elle McGee on 17 Mar 2024
  12. Last observed by Vincent Bryant on 30 Dec 2023
  13. Last observed by cara masullo on 21 Mar 2024
  14. Last observed by Igor Sokolov on 24 Feb 2019
  15. Last observed by Fernando Arce on 18 Nov 2022
  16. Last observed by cara masullo on 26 Mar 2024
  17. Last observed by Rod Burley on 2 Mar 2013
  18. Last observed by Fernando Arce on 11 Dec 2022
  19. Last observed by Nathan Tea on 17 Nov 2016
  20. Last observed by Fernando Arce on 7 Jan 2023
  21. Last observed by cara masullo on 21 Mar 2024
  22. Last observed by Subhashini Sivasubramanian on 11 Feb 2017
  23. Last observed by Clark Rushing on 14 Apr 2013
  24. Last observed by Fernando Arce on 11 Dec 2022
  25. Last observed by Joseph DiCostanzo on 3 May 2002
  26. Last observed by Elle McGee on 17 Mar 2024
  27. Last observed by Sam Denenberg on 18 Apr 2024
  28. Last observed by BRIAN MOYER on 16 Jan 2023
  29. Last observed by cara masullo on 23 Apr 2024
  30. Last observed by Kiersten Newtoff on 1 Sep 2023
  31. Last observed by Rod Burley on 27 May 1996
  32. Last observed by Larry & Patty Marsh on 14 May 2019
  33. Last observed by Rod Burley on 12 Apr 2014
  34. Last observed by Fernando Arce on 13 Aug 2023
  35. Last observed by Kiersten Newtoff on 23 Aug 2023
  36. Last observed by Brooke Meanley Data on 12 Dec 1968
  37. Last observed by Zachary Wood on 5 May 2023
  38. Last observed by Fernando Arce on 20 Apr 2023
  39. Last observed by cara masullo on 26 Mar 2024
  40. Last observed by Mark Chandler on 25 Oct 2002
  41. Last observed by Sam Denenberg on 15 Apr 2024
  42. Last observed by Wendy Ward on 10 Sep 2014
  43. Last observed by cara masullo on 21 Mar 2024
  44. Last observed by cara masullo on 21 Mar 2024
  45. Last observed by Zachary Wood on 5 May 2023
  46. Last observed by Fernando Arce on 25 Apr 2023
  47. Last observed by Zachary Wood on 5 May 2023
  48. Last observed by Zachary Wood on 5 May 2023
  49. Last observed by Insa Kummer on 9 May 2021
  50. Last observed by Don Burggraf on 8 Jan 1999
  51. Last observed by Zachary Wood on 5 May 2023
  52. Last observed by Zachary Wood on 5 May 2023
  53. Last observed by Fernando Arce on 26 Dec 2022
  54. Last observed by Fernando Arce on 25 Dec 2022
  55. Last observed by Winston Barham on 22 Apr 2014
  56. Last observed by Christopher Murray on 20 Apr 2011
  57. Last observed by Daniel Froehlich on 28 Apr 1996
  58. Last observed by Zachary Wood on 5 May 2023
  59. Last observed by Noah Kahn on 2 Jun 2014
  60. Last observed by Zachary Wood on 5 May 2023
  61. Last observed by Fernando Arce on 23 Apr 2023
  62. Last observed by Zachary Wood on 5 May 2023
  63. Last observed by Fernando Arce on 13 Aug 2023
  64. Last observed by Eric Sprague on 24 May 2016
  65. Last observed by Zachary Wood on 5 May 2023
  66. Last observed by Elle McGee on 17 Mar 2024
  67. Last observed by Zachary Wood on 5 May 2023
  68. Last observed by cara masullo on 23 Apr 2024
  69. Last observed by cara masullo on 23 Apr 2024
  70. Last observed by cara masullo on 23 Apr 2024
  71. Last observed by Michael O'Brien on 3 Jun 1987
  72. Last observed by Zachary Wood on 5 May 2023
  73. Last observed by Fernando Arce on 9 Apr 2023
  74. Last observed by Sue and Alan Young on 26 Nov 2023
  75. Last observed by Vincent Bryant on 18 Apr 2024
  76. Last observed by Vincent Bryant on 18 Apr 2024
  77. Last observed by George Carney on 26 Sep 2022
  78. Last observed by Sam Denenberg on 16 Apr 2024
  79. Last observed by Rod Burley on 8 Mar 2014
  80. Last observed by Sam Denenberg on 26 Apr 2024
  81. Last observed by Fernando Arce on 29 Nov 2022
  82. Last observed by Zachary Wood on 5 May 2023
  83. Last observed by cara masullo on 23 Apr 2024
  84. Last observed by Sam Denenberg on 18 Apr 2024
  85. Last observed by Fernando Arce on 26 Dec 2022
  86. Last observed by cara masullo on 23 Apr 2024
  87. Last observed by Vincent Bryant on 18 Apr 2024
  88. Last observed by Vincent Bryant on 18 Apr 2024
  89. Last observed by Vincent Bryant on 18 Apr 2024
  90. Last observed by Vincent Bryant on 18 Apr 2024
  91. Last observed by Fernando Arce on 4 Jul 2022
  92. Last observed by Eric Sprague on 13 Sep 2022
  93. Last observed by Fernando Arce on 18 Jun 2022
  94. Last observed by Kiersten Newtoff on 1 Sep 2023
  95. Last observed by Fernando Arce on 13 Aug 2023
  96. Last observed by Noah Kahn on 19 May 2014
  97. Last observed by Rod Burley on 6 Sep 2014
  98. Last observed by Vincent Bryant on 18 Apr 2024
  99. Last observed by Kiersten Newtoff on 23 Aug 2023
  100. Last observed by Fernando Arce on 13 Aug 2023
  101. Last observed by Kiersten Newtoff on 1 Sep 2023
  102. Last observed by Dan Niven on 9 Jun 2023
  103. Last observed by Vincent Bryant on 18 Apr 2024
  104. Last observed by Rod Burley on 16 Sep 2012
  105. Last observed by Sam Denenberg on 16 Apr 2024
  106. Last observed by Vincent Bryant on 18 Apr 2024
  107. Last observed by Vincent Bryant on 18 Apr 2024
  108. Last observed by Elle McGee on 17 Mar 2024
  109. Last observed by Sam Denenberg on 18 Apr 2024
  110. Last observed by Vincent Bryant on 18 Apr 2024
  111. Last observed by Vincent Bryant on 18 Apr 2024
  112. Last observed by Peter Osenton on 30 Dec 2012
  113. Last observed by Vincent Bryant on 18 Apr 2024
  114. Last observed by Margo Glover on 20 Aug 2022
  115. Last observed by cara masullo on 23 Apr 2024
  116. Last observed by Chris Kennelly on 2 Jun 2023
  117. Last observed by cara masullo on 23 Apr 2024
  118. Last observed by Brian Healy on 20 Jul 2023
  119. Last observed by Daniel Froehlich on 28 Apr 1996
  120. Last observed by Vincent Bryant on 18 Apr 2024
  121. Last observed by Elle McGee on 17 Mar 2024
  122. Last observed by Vincent Bryant on 18 Apr 2024
  123. Last observed by BRIAN MOYER on 16 Jan 2023
  124. Last observed by Sue and Alan Young on 26 Nov 2023
  125. Last observed by Vincent Bryant on 18 Apr 2024
  126. Last observed by Fernando Arce on 18 Apr 2023
  127. Last observed by Elle McGee on 17 Mar 2024
  128. Last observed by Zachary Wood on 5 May 2023
  129. Last observed by Vincent Bryant on 18 Apr 2024
  130. Last observed by Vincent Bryant on 18 Apr 2024
  131. Last observed by Sam Denenberg on 18 Apr 2024
  132. Last observed by Vincent Bryant on 18 Apr 2024
  133. Last observed by Vincent Bryant on 18 Apr 2024
  134. Last observed by cara masullo on 23 Apr 2024
  135. Last observed by Kiersten Newtoff on 1 Sep 2023
  136. Last observed by Jacob Miranda on 23 Sep 2021
  137. Last observed by Tom B on 23 May 2023
  138. Last observed by Vincent Bryant on 18 Apr 2024
  139. Last observed by Vincent Bryant on 18 Apr 2024
  140. Last observed by cara masullo on 23 Apr 2024
  141. Last observed by Sue and Alan Young on 26 Nov 2023
  142. Last observed by Sam Denenberg on 15 Apr 2024
  143. Last observed by Fernando Arce on 25 Dec 2022
  144. Last observed by Steve Holzman on 3 Mar 1986
  145. Last observed by Sam Denenberg on 16 Apr 2024
  146. Last observed by Meggie Stewart on 6 Nov 2020
  147. Last observed by Rod Burley on 10 Mar 2013
  148. Last observed by Rod Burley on 2 Mar 2013
  149. Last observed by Elle McGee on 17 Mar 2024
  150. Last observed by Vincent Bryant on 18 Apr 2024
  151. Last observed by Rod Burley on 2 Jun 2013
  152. Last observed by cara masullo on 23 Apr 2024
  153. Last observed by Vincent Bryant on 18 Apr 2024
  154. Last observed by Hillary White on 19 Mar 2023
  155. Last observed by Elle McGee on 17 Mar 2024
  156. Last observed by cara masullo on 21 Mar 2024
  157. Last observed by Bonnie Ott on 31 Oct 2018
  158. Last observed by Vincent Bryant on 18 Apr 2024
  159. Last observed by Fernando Arce on 19 Apr 2023
  160. Last observed by Elle McGee on 17 Mar 2024
  161. Last observed by Vincent Bryant on 18 Apr 2024
  162. Last observed by Melissa Roach on 1 Jan 2020
  163. Last observed by cara masullo on 23 Apr 2024
  164. Last observed by Vincent Bryant on 18 Apr 2024
  165. Last observed by Fernando Arce on 4 Jul 2022
  166. Last observed by Henry Stevens on 4 May 2022
  167. Last observed by Elle McGee on 17 Mar 2024
  168. Last observed by Dan Niven on 9 Jun 2023
  169. Last observed by Vincent Bryant on 18 Apr 2024
  170. Last observed by cara masullo on 23 Apr 2024
  171. Last observed by cara masullo on 23 Apr 2024
  172. Last observed by Elle McGee on 17 Mar 2024
  173. Last observed by cara masullo on 23 Apr 2024
  174. Last observed by cara masullo on 23 Apr 2024
  175. Last observed by Vincent Bryant on 18 Apr 2024
  176. Last observed by Sam Denenberg on 18 Apr 2024
  177. Last observed by Kiersten Newtoff on 1 Sep 2023
  178. Last observed by Paul Marban on 9 May 2014
  179. Last observed by Fernando Arce on 13 Aug 2023
  180. Last observed by Sam Denenberg on 16 Apr 2024
  181. Last observed by Sam Denenberg on 18 Apr 2024
  182. Last observed by Abby Walter on 12 May 2021
  183. Last observed by Christopher Gilbert on 2 Nov 2018
  184. Last observed by Henry Stevens on 2 May 2022
  185. Last observed by Christopher Gilbert on 24 Oct 2018
  186. Last observed by James Nobles on 21 May 2014
  187. Last observed by William Heinle on 6 Jul 2022
  188. Last observed by cara masullo on 23 Apr 2024
  189. Last observed by Dan Niven on 9 Jun 2023
  190. Last observed by cara masullo on 23 Apr 2024
  191. Last observed by Jacob Miranda on 12 Oct 2021
  192. Last observed by Rod Burley on 15 Jun 2006
  193. Last observed by cara masullo on 23 Apr 2024
  194. Last observed by Fernando Arce on 24 Aug 2022
  195. Last observed by Henry Stevens on 2 May 2022
  196. Last observed by Jacob Miranda on 10 Sep 2021
  197. Last observed by Kiersten Newtoff on 23 Aug 2023
  198. Last observed by Kiersten Newtoff on 1 Sep 2023
  199. Last observed by Henry Stevens on 21 May 2021
  200. Last observed by Kiersten Newtoff on 1 Sep 2023
  201. Last observed by Vincent Bryant on 18 Apr 2024
  202. Last observed by Vincent Bryant on 18 Apr 2024
  203. Last observed by cara masullo on 23 Apr 2024
  204. Last observed by Vincent Bryant on 18 Apr 2024
  205. Last observed by Bobby Jones on 19 May 2023
  206. Last observed by Kiersten Newtoff on 1 Sep 2023
  207. Last observed by Kiersten Newtoff on 23 Aug 2023
  208. Last observed by Kiersten Newtoff on 1 Sep 2023
  209. Last observed by Fernando Arce on 13 Aug 2023
  210. Last observed by Dan Niven on 9 Jun 2023
  211. Last observed by cara masullo on 23 Apr 2024
  212. Last observed by Fernando Arce on 26 Apr 2023
  213. Last observed by Fernando Arce on 13 Aug 2023
  214. Last observed by Brian Healy on 20 Jul 2023

Hybrids (1)

  1. Mallard x American Black Duck (hybrid) Anas platyrhynchos x rubripes
    Last observed by Rod Burley on 26 May 2012

Additional Taxa (23)

  1. goose sp. Anatidae (goose sp.)
    Last observed by Rachel Barham on 5 Oct 2011
  2. duck sp. Anatidae (duck sp.)
    Last observed by Jeremy Gardner on 15 Sep 2022
  3. Lesser/Greater Yellowlegs Tringa flavipes/melanoleuca
    Last observed by Jenny Hawes on 13 Mar 2021
  4. peep sp. Calidris sp. (peep sp.)
    Last observed by Winston Barham on 22 Apr 2014
  5. tern sp. Sterninae sp.
    Last observed by Amanda Walker on 19 Apr 2018
  6. Sharp-shinned/Cooper's Hawk Accipiter striatus/cooperii
    Last observed by Mary McElvene on 25 Oct 2017
  7. Accipiter sp. Accipiter sp.
    Last observed by Winston Barham on 22 Apr 2014
  8. Buteo sp. Buteo sp.
    Last observed by Robert & Mary Betz on 23 Oct 2023
  9. hawk sp. Accipitridae sp. (hawk sp.)
    Last observed by Fernando Arce on 19 Nov 2022
  10. Downy/Hairy Woodpecker Dryobates pubescens/villosus
    Last observed by Danylo Hawks on 6 Jul 2022
  11. woodpecker sp. Picidae sp.
    Last observed by Emily Bjerre on 24 Apr 2021
  12. Alder/Willow Flycatcher (Traill's Flycatcher) Empidonax alnorum/traillii
    Last observed by Kiersten Newtoff on 1 Sep 2023
  13. Empidonax sp. Empidonax sp.
    Last observed by Michelle Horowitz on 19 May 2018
  14. new world flycatcher sp. Tyrannidae sp.
    Last observed by Insa Kummer on 10 Oct 2021
  15. vireo sp. Vireo sp.
    Last observed by Rachel Barham on 25 Apr 2020
  16. American/Fish Crow Corvus brachyrhynchos/ossifragus
    Last observed by Fernando Arce on 25 Dec 2022
  17. crow sp. Corvus sp. (crow sp.)
    Last observed by Rachel Barham on 26 Apr 2021
  18. swallow sp. Hirundinidae sp.
    Last observed by Tim Boucher on 27 Apr 2014
  19. Catharus sp. Catharus sp.
    Last observed by Rod Burley on 18 May 2007
  20. new world sparrow sp. Passerellidae sp.
    Last observed by Dean Mahlstedt on 30 Jul 2017
  21. blackbird sp. Icteridae sp.
    Last observed by Rachel Barham on 29 Apr 2015
  22. new world warbler sp. Parulidae sp.
    Last observed by Jacob Miranda on 4 Oct 2021
  23. passerine sp. Passeriformes sp.
    Last observed by Rachel Barham on 11 May 2023