Menu

Change Region

Change Region

El Rio Open Space Preserve

Directions Map

Explore...

Bird List

Updated ~30 seconds ago
249 All Years 148 This Year 2024 73 This Month May 2024
Last Observed First Observed High Count

Custom Time Period

Change Time Period

Sort by

  1. Species Name
    Count
    Date
    Observer
    Location

Native and Naturalized (249)

  1. American Wigeon Mareca americana
    # Count: 2
    Date:
    Observer: Harriet Marble
    Location: El Rio Open Space Preserve
  2. Mallard Anas platyrhynchos
    # Count: 20
    Date:
    Observer: Harriet Marble
    Location: El Rio Open Space Preserve
  3. Mexican Duck Anas diazi
    # Count: 2
    Date:
    Observer: Harriet Marble
    Location: El Rio Open Space Preserve
  4. Gambel's Quail Callipepla gambelii
    # Count: 5
    Date:
    Observer: Harriet Marble
    Location: El Rio Open Space Preserve
  5. White-winged Dove Zenaida asiatica
    # Count: 12
    Date:
    Observer: Harriet Marble
    Location: El Rio Open Space Preserve
  6. Mourning Dove Zenaida macroura
    # Count: 10
    Date:
    Observer: Harriet Marble
    Location: El Rio Open Space Preserve
  7. Anna's Hummingbird Calypte anna
    # Count: 2
    Date:
    Observer: Harriet Marble
    Location: El Rio Open Space Preserve
  8. Costa's Hummingbird Calypte costae
    # Count: 1
    Date:
    Observer: Harriet Marble
    Location: El Rio Open Space Preserve
  9. Common Gallinule Gallinula galeata
    # Count: 1
    Date:
    Observer: Harriet Marble
    Location: El Rio Open Space Preserve
  10. American Coot Fulica americana
    # Count: 12
    Date:
    Observer: Harriet Marble
    Location: El Rio Open Space Preserve
  11. Killdeer Charadrius vociferus
    # Count: 5
    Date:
    Observer: Harriet Marble
    Location: El Rio Open Space Preserve
  12. Spotted Sandpiper Actitis macularius
    # Count: 4
    Date:
    Observer: Harriet Marble
    Location: El Rio Open Space Preserve
  13. Green Heron Butorides virescens
    # Count: 2
    Date:
    Observer: Harriet Marble
    Location: El Rio Open Space Preserve
  14. Black Vulture Coragyps atratus
    # Count: 1
    Date:
    Observer: Harriet Marble
    Location: El Rio Open Space Preserve
  15. Turkey Vulture Cathartes aura
    # Count: 3
    Date:
    Observer: Harriet Marble
    Location: El Rio Open Space Preserve
  16. Cooper's Hawk Accipiter cooperii
    # Count: 1
    Date:
    Observer: Harriet Marble
    Location: El Rio Open Space Preserve
  17. Belted Kingfisher Megaceryle alcyon
    # Count: 1
    Date:
    Observer: Harriet Marble
    Location: El Rio Open Space Preserve
  18. Gila Woodpecker Melanerpes uropygialis
    # Count: 3
    Date:
    Observer: Harriet Marble
    Location: El Rio Open Space Preserve
  19. Vermilion Flycatcher Pyrocephalus rubinus
    # Count: 4
    Date:
    Observer: Harriet Marble
    Location: El Rio Open Space Preserve
  20. Bell's Vireo Vireo bellii
    # Count: 4
    Date:
    Observer: Harriet Marble
    Location: El Rio Open Space Preserve
  21. Verdin Auriparus flaviceps
    # Count: 5
    Date:
    Observer: Harriet Marble
    Location: El Rio Open Space Preserve
  22. Bank Swallow Riparia riparia
    # Count: 1
    Date:
    Observer: Harriet Marble
    Location: El Rio Open Space Preserve
  23. Violet-green Swallow Tachycineta thalassina
    # Count: 1
    Date:
    Observer: Harriet Marble
    Location: El Rio Open Space Preserve
  24. Northern Rough-winged Swallow Stelgidopteryx serripennis
    # Count: 2
    Date:
    Observer: Harriet Marble
    Location: El Rio Open Space Preserve
  25. Cliff Swallow Petrochelidon pyrrhonota
    # Count: 10
    Date:
    Observer: Harriet Marble
    Location: El Rio Open Space Preserve
  26. Phainopepla Phainopepla nitens
    # Count: 3
    Date:
    Observer: Harriet Marble
    Location: El Rio Open Space Preserve
  27. House Finch Haemorhous mexicanus
    # Count: 1
    Date:
    Observer: Harriet Marble
    Location: El Rio Open Space Preserve
  28. Lesser Goldfinch Spinus psaltria
    # Count: 4
    Date:
    Observer: Harriet Marble
    Location: El Rio Open Space Preserve
  29. Lark Sparrow Chondestes grammacus
    # Count: 4
    Date:
    Observer: Harriet Marble
    Location: El Rio Open Space Preserve
  30. Song Sparrow Melospiza melodia
    # Count: 12
    Date:
    Observer: Harriet Marble
    Location: El Rio Open Space Preserve
  31. Abert's Towhee Melozone aberti
    # Count: 8
    Date:
    Observer: Harriet Marble
    Location: El Rio Open Space Preserve
  32. Yellow-breasted Chat Icteria virens
    # Count: 3
    Date:
    Observer: Harriet Marble
    Location: El Rio Open Space Preserve
  33. Red-winged Blackbird Agelaius phoeniceus
    # Count: 2
    Date:
    Observer: Harriet Marble
    Location: El Rio Open Space Preserve
  34. Brown-headed Cowbird Molothrus ater
    # Count: 3
    Date:
    Observer: Harriet Marble
    Location: El Rio Open Space Preserve
  35. Great-tailed Grackle Quiscalus mexicanus
    # Count: 14
    Date:
    Observer: Harriet Marble
    Location: El Rio Open Space Preserve
  36. Northern Waterthrush Parkesia noveboracensis
    # Count: 1
    Date:
    Observer: Harriet Marble
    Location: El Rio Open Space Preserve
  37. Lucy's Warbler Leiothlypis luciae
    # Count: 3
    Date:
    Observer: Harriet Marble
    Location: El Rio Open Space Preserve
  38. Common Yellowthroat Geothlypis trichas
    # Count: 3
    Date:
    Observer: Harriet Marble
    Location: El Rio Open Space Preserve
  39. Yellow Warbler Setophaga petechia
    # Count: 5
    Date:
    Observer: Harriet Marble
    Location: El Rio Open Space Preserve
  40. Northern Cardinal Cardinalis cardinalis
    # Count: 4
    Date:
    Observer: Harriet Marble
    Location: El Rio Open Space Preserve
  41. Lazuli Bunting Passerina amoena
    # Count: 1
    Date:
    Observer: Harriet Marble
    Location: El Rio Open Space Preserve
  42. Eurasian Collared-Dove Streptopelia decaocto
    # Count: 1
    Date:
    Observer: Trip Thienemann
    Location: El Rio Open Space Preserve
  43. White-throated Swift Aeronautes saxatalis
    # Count: 2
    Date:
    Observer: Trip Thienemann
    Location: El Rio Open Space Preserve
  44. Black-chinned Hummingbird Archilochus alexandri
    # Count: 1
    Date:
    Observer: Trip Thienemann
    Location: El Rio Open Space Preserve
  45. Ash-throated Flycatcher Myiarchus cinerascens
    # Count: 1
    Date:
    Observer: Trip Thienemann
    Location: El Rio Open Space Preserve
  46. Western Kingbird Tyrannus verticalis
    # Count: 1
    Date:
    Observer: Trip Thienemann
    Location: El Rio Open Space Preserve
  47. Common Raven Corvus corax
    # Count: 1
    Date:
    Observer: Trip Thienemann
    Location: El Rio Open Space Preserve
  48. Barn Swallow Hirundo rustica
    # Count: 1
    Date:
    Observer: Trip Thienemann
    Location: El Rio Open Space Preserve
  49. White-crowned Sparrow Zonotrichia leucophrys
    # Count: 1
    Date:
    Observer: Trip Thienemann
    Location: El Rio Open Space Preserve
  50. Pyrrhuloxia Cardinalis sinuatus
    # Count: 1
    Date:
    Observer: Trip Thienemann
    Location: El Rio Open Space Preserve
  51. Pied-billed Grebe Podilymbus podiceps
    # Count: 1
    Date:
    Observer: Isaiah McCourt
    Location: El Rio Open Space Preserve
  52. Least Sandpiper Calidris minutilla
    # Count: 2
    Date:
    Observer: Isaiah McCourt
    Location: El Rio Open Space Preserve
  53. Brown-crested Flycatcher Myiarchus tyrannulus
    # Count: 2
    Date:
    Observer: Isaiah McCourt
    Location: El Rio Open Space Preserve
  54. Ladder-backed Woodpecker Dryobates scalaris
    # Count: 1
    Date:
    Observer: Ken Murphy
    Location: El Rio Open Space Preserve
  55. Curve-billed Thrasher Toxostoma curvirostre
    # Count: 1
    Date:
    Observer: Ken Murphy
    Location: El Rio Open Space Preserve
  56. House Sparrow Passer domesticus
    # Count: 4
    Date:
    Observer: Ken Murphy
    Location: El Rio Open Space Preserve
  57. Green-tailed Towhee Pipilo chlorurus
    # Count: 1
    Date:
    Observer: Ken Murphy
    Location: El Rio Open Space Preserve
  58. Yellow-headed Blackbird Xanthocephalus xanthocephalus
    # Count: 2
    Date:
    Observer: Ken Murphy
    Location: El Rio Open Space Preserve
  59. Bullock's Oriole Icterus bullockii
    # Count: 1
    Date:
    Observer: Ken Murphy
    Location: El Rio Open Space Preserve
  60. Wilson's Warbler Cardellina pusilla
    # Count: 2
    Date:
    Observer: Ken Murphy
    Location: El Rio Open Space Preserve
  61. Black-headed Grosbeak Pheucticus melanocephalus
    # Count: 1
    Date:
    Observer: Ken Murphy
    Location: El Rio Open Space Preserve
  62. Solitary Sandpiper Tringa solitaria
    # Count: 1
    Date:
    Observer: Joan K
    Location: El Rio Open Space Preserve
  63. Yellow-rumped Warbler Setophaga coronata
    # Count: 1
    Date:
    Observer: Joan K
    Location: El Rio Open Space Preserve
  64. Red-tailed Hawk Buteo jamaicensis
    # Count: 1
    Date:
    Observer: Lisa Coons
    Location: El Rio Open Space Preserve
  65. Blue-gray Gnatcatcher Polioptila caerulea
    # Count: 1
    Date:
    Observer: Lisa Coons
    Location: El Rio Open Space Preserve
  66. Black-tailed Gnatcatcher Polioptila melanura
    # Count: 1
    Date:
    Observer: Lisa Coons
    Location: El Rio Open Space Preserve
  67. Black Phoebe Sayornis nigricans
    # Count: 1
    Date:
    Observer: Olya Weekley
    Location: El Rio Open Space Preserve
  68. Orange-crowned Warbler Leiothlypis celata
    # Count: 1
    Date:
    Observer: Peggy Steffens
    Location: El Rio Open Space Preserve
  69. Broad-billed Hummingbird Cynanthus latirostris
    # Count: 1
    Date:
    Observer: Anonymous eBirder
    Location: El Rio Open Space Preserve
  70. Great Blue Heron Ardea herodias
    # Count: 1
    Date:
    Observer: Anonymous eBirder
    Location: El Rio Open Space Preserve
  71. Great Horned Owl Bubo virginianus
    # Count: 1
    Date:
    Observer: Anonymous eBirder
    Location: El Rio Open Space Preserve
  72. Say's Phoebe Sayornis saya
    # Count: 1
    Date:
    Observer: Anonymous eBirder
    Location: El Rio Open Space Preserve
  73. Black-throated Sparrow Amphispiza bilineata
    # Count: 8
    Date:
    Observer: Anonymous eBirder
    Location: El Rio Open Space Preserve
  74. Willet Tringa semipalmata
    # Count: 5
    Date:
    Observer: Rich Schwab
    Location: El Rio Open Space Preserve
  75. Cassin's Kingbird Tyrannus vociferans
    # Count: 1
    Date:
    Observer: Alex Patia
    Location: El Rio Open Space Preserve
  76. Rock Wren Salpinctes obsoletus
    # Count: 1
    Date:
    Observer: Alex Patia
    Location: El Rio Open Space Preserve
  77. Hooded Oriole Icterus cucullatus
    # Count: 1
    Date:
    Observer: Alex Patia
    Location: El Rio Open Space Preserve
  78. Northern Shoveler Spatula clypeata
    # Count: 4
    Date:
    Observer: Carol Hippenmeyer
    Location: El Rio Open Space Preserve
  79. Bewick's Wren Thryomanes bewickii
    # Count: 2
    Date:
    Observer: Carol Hippenmeyer
    Location: El Rio Open Space Preserve
  80. Virginia Rail Rallus limicola
    # Count: 1
    Date:
    Observer: Tristan McKnight
    Location: El Rio Open Space Preserve
  81. Black-throated Gray Warbler Setophaga nigrescens
    # Count: 1
    Date:
    Observer: Timothy Burkhardt
    Location: El Rio Open Space Preserve
  82. Greater Roadrunner Geococcyx californianus
    # Count: 1
    Date:
    Observer: Andrew Core
    Location: El Rio Open Space Preserve
  83. Blue-winged Teal Spatula discors
    # Count: 2
    Date:
    Observer: Ken Murphy
    Location: El Rio Open Space Preserve
  84. Snowy Egret Egretta thula
    # Count: 1
    Date:
    Observer: Craig Thayer
    Location: El Rio Open Space Preserve
  85. Summer Tanager Piranga rubra
    # Count: 1
    Date:
    Observer: Craig Thayer
    Location: El Rio Open Space Preserve
  86. Neotropic Cormorant Nannopterum brasilianum
    # Count: 1
    Date:
    Observer: Michael Welch
    Location: El Rio Open Space Preserve
  87. Northern Mockingbird Mimus polyglottos
    # Count: 1
    Date:
    Observer: Michael Welch
    Location: El Rio Open Space Preserve
  88. Sora Porzana carolina
    # Count: 1
    Date:
    Observer: Brian Jones
    Location: El Rio Open Space Preserve
  89. Gray Hawk Buteo plagiatus
    # Count: 1
    Date:
    Observer: Brian Jones
    Location: El Rio Open Space Preserve
  90. Great Egret Ardea alba
    # Count: 1
    Date:
    Observer: Peggy Steffens
    Location: El Rio Open Space Preserve
  91. American Kestrel Falco sparverius
    # Count: 1
    Date:
    Observer: Peggy Steffens
    Location: El Rio Open Space Preserve
  92. Lesser Nighthawk Chordeiles acutipennis
    # Count: 6
    Date:
    Observer: Ken Murphy
    Location: El Rio Open Space Preserve
  93. Rock Pigeon Columba livia
    # Count: 3
    Date:
    Observer: manuel grosselet
    Location: El Rio Open Space Preserve
  94. European Starling Sturnus vulgaris
    # Count: 2
    Date:
    Observer: manuel grosselet
    Location: El Rio Open Space Preserve
  95. Bronzed Cowbird Molothrus aeneus
    # Count: 1
    Date:
    Observer: Jennifer Hansen
    Location: El Rio Open Space Preserve
  96. Tree Swallow Tachycineta bicolor
    # Count: 1
    Date:
    Observer: Tristan McKnight
    Location: El Rio Open Space Preserve
  97. Canyon Wren Catherpes mexicanus
    # Count: 1
    Date:
    Observer: Tristan McKnight
    Location: El Rio Open Space Preserve
  98. Long-billed Dowitcher Limnodromus scolopaceus
    # Count: 5
    Date:
    Observer: Joan K
    Location: El Rio Open Space Preserve
  99. Cactus Wren Campylorhynchus brunneicapillus
    # Count: 1
    Date:
    Observer: Joan K
    Location: El Rio Open Space Preserve
  100. Gadwall Mareca strepera
    # Count: 1
    Date:
    Observer: Craig Thayer
    Location: El Rio Open Space Preserve
  101. Western Wood-Pewee Contopus sordidulus
    # Count: 1
    Date:
    Observer: Andrew Core
    Location: El Rio Open Space Preserve
  102. White-faced Ibis Plegadis chihi
    # Count: 1
    Date:
    Observer: Marc Passmann
    Location: El Rio Open Space Preserve
  103. Chipping Sparrow Spizella passerina
    # Count: 3
    Date:
    Observer: Marc Passmann
    Location: El Rio Open Space Preserve
  104. Vaux's Swift Chaetura vauxi
    # Count: 1
    Date:
    Observer: Andrew Core
    Location: El Rio Open Space Preserve
  105. Gray Flycatcher Empidonax wrightii
    # Count: 1
    Date:
    Observer: Andrew Core
    Location: El Rio Open Space Preserve
  106. Cinnamon Teal Spatula cyanoptera
    # Count: 2
    Date:
    Observer: Marc Passmann
    Location: El Rio Open Space Preserve
  107. Western Cattle Egret Bubulcus ibis
    # Count: 2
    Date:
    Observer: Anonymous eBirder
    Location: El Rio Open Space Preserve
  108. Brewer's Sparrow Spizella breweri
    # Count: 1
    Date:
    Observer: Andrew Core
    Location: El Rio Open Space Preserve
  109. Ruddy Duck Oxyura jamaicensis
    # Count: 1
    Date:
    Observer: Andrew Core
    Location: El Rio Open Space Preserve
  110. Black-necked Stilt Himantopus mexicanus
    # Count: 2
    Date:
    Observer: Craig Thayer
    Location: El Rio Open Space Preserve
  111. Plumbeous Vireo Vireo plumbeus
    # Count: 1
    Date:
    Observer: Craig Thayer
    Location: El Rio Open Space Preserve
  112. Green-winged Teal Anas crecca
    # Count: 1
    Date:
    Observer: Joan K
    Location: El Rio Open Space Preserve
  113. Rufous-winged Sparrow Peucaea carpalis
    # Count: 1
    Date:
    Observer: Michael Welch
    Location: El Rio Open Space Preserve
  114. Ruby-crowned Kinglet Corthylio calendula
    # Count: 1
    Date:
    Observer: Luke Safford
    Location: El Rio Open Space Preserve
  115. Sharp-shinned Hawk Accipiter striatus
    # Count: 1
    Date:
    Observer: Craig Thayer
    Location: El Rio Open Space Preserve
  116. Peregrine Falcon Falco peregrinus
    # Count: 1
    Date:
    Observer: Craig Thayer
    Location: El Rio Open Space Preserve
  117. Ring-necked Duck Aythya collaris
    # Count: 2
    Date:
    Observer: Brian Jones
    Location: El Rio Open Space Preserve
  118. American Avocet Recurvirostra americana
    # Count: 3
    Date:
    Observer: Andrew Core
    Location: El Rio Open Space Preserve
  119. Lincoln's Sparrow Melospiza lincolnii
    # Count: 1
    Date:
    Observer: Ken Murphy
    Location: El Rio Open Space Preserve
  120. Osprey Pandion haliaetus
    # Count: 1
    Date:
    Observer: Anonymous eBirder
    Location: El Rio Open Space Preserve
  121. Harris's Hawk Parabuteo unicinctus
    # Count: 1
    Date:
    Observer: Anonymous eBirder
    Location: El Rio Open Space Preserve
  122. Wilson's Snipe Gallinago delicata
    # Count: 1
    Date:
    Observer: Marc Passmann
    Location: El Rio Open Space Preserve
  123. House Wren Troglodytes aedon
    # Count: 1
    Date:
    Observer: Peggy Steffens
    Location: El Rio Open Space Preserve
  124. Marsh Wren Cistothorus palustris
    # Count: 1
    Date:
    Observer: Marc Passmann
    Location: El Rio Open Space Preserve
  125. Redhead Aythya americana
    # Count: 2
    Date:
    Observer: Jo Ann Schlott
    Location: El Rio Open Space Preserve
  126. Black-crowned Night Heron Nycticorax nycticorax
    # Count: 1
    Date:
    Observer: Taber Allison
    Location: El Rio Open Space Preserve
  127. Zone-tailed Hawk Buteo albonotatus
    # Count: 1
    Date:
    Observer: Andrew Core
    Location: El Rio Open Space Preserve
  128. Bufflehead Bucephala albeola
    # Count: 1
    Date:
    Observer: Hobart Collins
    Location: El Rio Open Space Preserve
  129. Lesser Scaup Aythya affinis
    # Count: 1
    Date:
    Observer: Andrew Core
    Location: El Rio Open Space Preserve
  130. Eared Grebe Podiceps nigricollis
    # Count: 1
    Date:
    Observer: Marc Passmann
    Location: El Rio Open Space Preserve
  131. Northern Harrier Circus hudsonius
    # Count: 1
    Date:
    Observer: Sally Pachulski
    Location: El Rio Open Space Preserve
  132. Northern Flicker Colaptes auratus
    # Count: 1
    Date:
    Observer: Steve Dignam
    Location: El Rio Open Space Preserve
  133. Gilded Flicker Colaptes chrysoides
    # Count: 1
    Date:
    Observer: Andrew Core
    Location: El Rio Open Space Preserve
  134. Northern Pintail Anas acuta
    # Count: 1
    Date:
    Observer: Ken Cooper
    Location: El Rio Open Space Preserve
  135. Red-naped Sapsucker Sphyrapicus nuchalis
    # Count: 1
    Date:
    Observer: Laura Couchman
    Location: El Rio Open Space Preserve
  136. Canvasback Aythya valisineria
    # Count: 2
    Date:
    Observer: Carol Boquard
    Location: El Rio Open Space Preserve
  137. Merlin Falco columbarius
    # Count: 1
    Date:
    Observer: Sherry Gray
    Location: El Rio Open Space Preserve
  138. American Pipit Anthus rubescens
    # Count: 3
    Date:
    Observer: Sherry Gray
    Location: El Rio Open Space Preserve
  139. Common Goldeneye Bucephala clangula
    # Count: 1
    Date:
    Observer: Susan Hart
    Location: El Rio Open Space Preserve
  140. Spotted Towhee Pipilo maculatus
    # Count: 1
    Date:
    Observer: Ken Cooper
    Location: El Rio Open Space Preserve
  141. Hutton's Vireo Vireo huttoni
    # Count: 1
    Date:
    Observer: Deb G
    Location: El Rio Open Space Preserve
  142. Vesper Sparrow Pooecetes gramineus
    # Count: 1
    Date:
    Observer: Deb G
    Location: El Rio Open Space Preserve
  143. Hermit Thrush Catharus guttatus
    # Count: 1
    Date:
    Observer: Gerry Hodge
    Location: El Rio Open Space Preserve
  144. Common Merganser Mergus merganser
    # Count: 1
    Date:
    Observer: David Cook
    Location: El Rio Open Space Preserve
  145. Lark Bunting Calamospiza melanocorys
    # Count: 2
    Date:
    Observer: David Cook
    Location: El Rio Open Space Preserve
  146. Dark-eyed Junco Junco hyemalis
    # Count: 1
    Date:
    Observer: David Cook
    Location: El Rio Open Space Preserve
  147. Greater Yellowlegs Tringa melanoleuca
    # Count: 2
    Date:
    Observer: Jon (JC) Curd
    Location: El Rio Open Space Preserve
  148. Loggerhead Shrike Lanius ludovicianus
    # Count: 1
    Date:
    Observer: Gerry Hodge
    Location: El Rio Open Space Preserve
  149. Wood Duck Aix sponsa
    # Count: 1
    Date:
    Observer: Scott Crabtree
    Location: El Rio Open Space Preserve
  150. Savannah Sparrow Passerculus sandwichensis
    # Count: 1
    Date:
    Observer: Sherry Kelter
    Location: El Rio Open Space Preserve
  151. Sandhill Crane Antigone canadensis
    # Count: 16
    Date:
    Observer: Andrew Core
    Location: El Rio Open Space Preserve
  152. Prairie Falcon Falco mexicanus
    # Count: 1
    Date:
    Observer: Michael Welch
    Location: El Rio Open Space Preserve
  153. Hooded Merganser Lophodytes cucullatus
    # Count: 1
    Date:
    Observer: Cecile & Morris Yarrow
    Location: El Rio Open Space Preserve
  154. California Gull Larus californicus
    # Count: 1
    Date:
    Observer: Team Sidhu-White
    Location: El Rio Open Space Preserve
  155. Cassin's Vireo Vireo cassinii
    # Count: 1
    Date:
    Observer: Lisa Partin
    Location: El Rio Open Space Preserve
  156. Ruddy Ground Dove Columbina talpacoti
    # Count: 1
    Date:
    Observer: Paul LaFrance
    Location: El Rio Open Space Preserve
  157. Double-crested Cormorant Nannopterum auritum
    # Count: 1
    Date:
    Observer: Brian Jones
    Location: El Rio Open Space Preserve
  158. Common Ground Dove Columbina passerina
    # Count: 1
    Date:
    Observer: Kimberly Aikins
    Location: El Rio Open Space Preserve
  159. Inca Dove Columbina inca
    # Count: 1
    Date:
    Observer: Nancy O'Bryan
    Location: El Rio Open Space Preserve
  160. Brewer's Blackbird Euphagus cyanocephalus
    # Count: 6
    Date:
    Observer: Marc Passmann
    Location: El Rio Open Space Preserve
  161. Western Flycatcher Empidonax difficilis
    # Count: 1
    Date:
    Observer: Nancy Davis
    Location: El Rio Open Space Preserve
  162. Pine Siskin Spinus pinus
    # Count: 1
    Date:
    Observer: Carol Hippenmeyer
    Location: El Rio Open Space Preserve
  163. Grasshopper Sparrow Ammodramus savannarum
    # Count: 1
    Date:
    Observer: Andrew Core
    Location: El Rio Open Space Preserve
  164. Western Meadowlark Sturnella neglecta
    # Count: 1
    Date:
    Observer: Steve Nord
    Location: El Rio Open Space Preserve
  165. Purple Martin Progne subis
    # Count: 4
    Date:
    Observer: Anonymous eBirder
    Location: El Rio Open Space Preserve
  166. Willow Flycatcher Empidonax traillii
    # Count: 1
    Date:
    Observer: Andrew Core
    Location: El Rio Open Space Preserve
  167. Warbling Vireo Vireo gilvus
    # Count: X
    Date:
    Observer: Anonymous eBirder
    Location: El Rio Open Space Preserve
  168. MacGillivray's Warbler Geothlypis tolmiei
    # Count: 1
    Date:
    Observer: John Hudecek
    Location: El Rio Open Space Preserve
  169. Swainson's Hawk Buteo swainsoni
    # Count: 1
    Date:
    Observer: Gabriel Urso
    Location: El Rio Open Space Preserve
  170. Western Tanager Piranga ludoviciana
    # Count: 1
    Date:
    Observer: Andrew Core
    Location: El Rio Open Space Preserve
  171. Blue Grosbeak Passerina caerulea
    # Count: 1
    Date:
    Observer: Andrew Core
    Location: El Rio Open Space Preserve
  172. Olive-sided Flycatcher Contopus cooperi
    # Count: 1
    Date:
    Observer: Steve Nord
    Location: El Rio Open Space Preserve
  173. Painted Bunting Passerina ciris
    # Count: 2
    Date:
    Observer: Steve Nord
    Location: El Rio Open Space Preserve
  174. Red-necked Phalarope Phalaropus lobatus
    # Count: 4
    Date:
    Observer: Brian Jones
    Location: El Rio Open Space Preserve
  175. Nashville Warbler Leiothlypis ruficapilla
    # Count: 1
    Date:
    Observer: Christopher Coverdill
    Location: El Rio Open Space Preserve
  176. Rufous Hummingbird Selasphorus rufus
    # Count: 1
    Date:
    Observer: Ken Murphy
    Location: El Rio Open Space Preserve
  177. Clay-colored Sparrow Spizella pallida
    # Count: 1
    Date:
    Observer: Ken Murphy
    Location: El Rio Open Space Preserve
  178. Broad-tailed Hummingbird Selasphorus platycercus
    # Count: 1
    Date:
    Observer: Elizabeth Crouthamel
    Location: El Rio Open Space Preserve
  179. Western Sandpiper Calidris mauri
    # Count: 1
    Date:
    Observer: Bente Torvund
    Location: El Rio Open Space Preserve
  180. Tropical Kingbird Tyrannus melancholicus
    # Count: 1
    Date:
    Observer: Bente Torvund
    Location: El Rio Open Space Preserve
  181. Lesser Yellowlegs Tringa flavipes
    # Count: 1
    Date:
    Observer: Micah Dose
    Location: El Rio Open Space Preserve
  182. Cedar Waxwing Bombycilla cedrorum
    # Count: 1
    Date:
    Observer: Andrew Core
    Location: El Rio Open Space Preserve
  183. American Robin Turdus migratorius
    # Count: 1
    Date:
    Observer: Andrea Serrano
    Location: El Rio Open Space Preserve
  184. Hammond's Flycatcher Empidonax hammondii
    # Count: 1
    Date:
    Observer: John Hudecek
    Location: El Rio Open Space Preserve
  185. Townsend's Warbler Setophaga townsendi
    # Count: 1
    Date:
    Observer: John Hudecek
    Location: El Rio Open Space Preserve
  186. Northern Beardless-Tyrannulet Camptostoma imberbe
    # Count: 1
    Date:
    Observer: Michael Welch
    Location: El Rio Open Space Preserve
  187. Barn Owl Tyto alba
    # Count: 1
    Date:
    Observer: Andrew Core
    Location: El Rio Open Space Preserve
  188. Greater White-fronted Goose Anser albifrons
    # Count: 1
    Date:
    Observer: Wendy Hogg
    Location: El Rio Open Space Preserve
  189. Painted Redstart Myioborus pictus
    # Count: 1
    Date:
    Observer: Ken Murphy
    Location: El Rio Open Space Preserve
  190. Townsend's Solitaire Myadestes townsendi
    # Count: 1
    Date:
    Observer: Michael Welch
    Location: El Rio Open Space Preserve
  191. Common Black Hawk Buteogallus anthracinus
    # Count: 1
    Date:
    Observer: Terri Williams
    Location: El Rio Open Space Preserve
  192. White-throated Sparrow Zonotrichia albicollis
    # Count: 1
    Date:
    Observer: Caitlin Ambrose
    Location: El Rio Open Space Preserve
  193. Western Bluebird Sialia mexicana
    # Count: 18
    Date:
    Observer: Andrew Core
    Location: El Rio Open Space Preserve
  194. Red-breasted Nuthatch Sitta canadensis
    # Count: 1
    Date:
    Observer: Marie Davis
    Location: El Rio Open Space Preserve
  195. Varied Bunting Passerina versicolor
    # Count: 1
    Date:
    Observer: Andrew Core
    Location: El Rio Open Space Preserve
  196. Acorn Woodpecker Melanerpes formicivorus
    # Count: 1
    Date:
    Observer: Andrew Core
    Location: El Rio Open Space Preserve
  197. Bonaparte's Gull Chroicocephalus philadelphia
    # Count: 1
    Date:
    Observer: Robert Pitcher
    Location: El Rio Open Space Preserve
  198. Lawrence's Goldfinch Spinus lawrencei
    # Count: 4
    Date:
    Observer: Patrick Brewer
    Location: El Rio Open Space Preserve
  199. Indigo Bunting Passerina cyanea
    # Count: 1
    Date:
    Observer: Peggy Steffens
    Location: El Rio Open Space Preserve
  200. Western Screech-Owl Megascops kennicottii
    # Count: 1
    Date:
    Observer: Loch Kilpatrick
    Location: El Rio Open Space Preserve
  201. Scissor-tailed Flycatcher Tyrannus forficatus
    # Count: 1
    Date:
    Observer: Clague Van Slyke
    Location: El Rio Open Space Preserve
  202. Rose-breasted Grosbeak Pheucticus ludovicianus
    # Count: 1
    Date:
    Observer: Paul LaFrance
    Location: El Rio Open Space Preserve
  203. Swainson's Thrush Catharus ustulatus
    # Count: 1
    Date:
    Observer: Carol Hippenmeyer
    Location: El Rio Open Space Preserve
  204. Dusky Flycatcher Empidonax oberholseri
    # Count: 1
    Date:
    Observer: Julie Michael
    Location: El Rio Open Space Preserve
  205. American Goldfinch Spinus tristis
    # Count: 1
    Date:
    Observer: Jeff Ladderud
    Location: El Rio Open Space Preserve
  206. Wilson's Phalarope Phalaropus tricolor
    # Count: 1
    Date:
    Observer: Andrew Core
    Location: El Rio Open Space Preserve
  207. American White Pelican Pelecanus erythrorhynchos
    # Count: 8
    Date:
    Observer: Andrew Core
    Location: El Rio Open Space Preserve
  208. Canada Goose Branta canadensis
    # Count: 1
    Date:
    Observer: Nancy O'Bryan
    Location: El Rio Open Space Preserve
  209. Gray Vireo Vireo vicinior
    # Count: 1
    Date:
    Observer: Brian Nicholas
    Location: El Rio Open Space Preserve
  210. Elf Owl Micrathene whitneyi
    # Count: 1
    Date:
    Observer: Brian Jones
    Location: El Rio Open Space Preserve
  211. Virginia's Warbler Leiothlypis virginiae
    # Count: 1
    Date:
    Observer: @ BirdsAndDogs
    Location: El Rio Open Space Preserve
  212. Rufous-crowned Sparrow Aimophila ruficeps
    # Count: 1
    Date:
    Observer: Wendy Hogg
    Location: El Rio Open Space Preserve
  213. Red-breasted Sapsucker Sphyrapicus ruber
    # Count: 1
    Date:
    Observer: Andrew Core
    Location: El Rio Open Space Preserve
  214. Horned Lark Eremophila alpestris
    # Count: 1
    Date:
    Observer: Andrew Core
    Location: El Rio Open Space Preserve
  215. Golden Eagle Aquila chrysaetos
    # Count: 1
    Date:
    Observer: Rich Schwab
    Location: El Rio Open Space Preserve
  216. Swamp Sparrow Melospiza georgiana
    # Count: 1
    Date:
    Observer: Andrew Core
    Location: El Rio Open Space Preserve
  217. Dickcissel Spiza americana
    # Count: 1
    Date:
    Observer: Andrew Core
    Location: El Rio Open Space Preserve
  218. Stilt Sandpiper Calidris himantopus
    # Count: 1
    Date:
    Observer: Andrew Core
    Location: El Rio Open Space Preserve
  219. Baird's Sandpiper Calidris bairdii
    # Count: 2
    Date:
    Observer: Timothy Burkhardt
    Location: El Rio Open Space Preserve
  220. Hepatic Tanager Piranga flava
    # Count: 1
    Date:
    Observer: Andrew Core
    Location: El Rio Open Space Preserve
  221. Broad-winged Hawk Buteo platypterus
    # Count: 1
    Date:
    Observer: Andrew Core
    Location: El Rio Open Space Preserve
  222. Reddish Egret Egretta rufescens
    # Count: 1
    Date:
    Observer: Max Leibowitz
    Location: El Rio Open Space Preserve
  223. Black-and-white Warbler Mniotilta varia
    # Count: 1
    Date:
    Observer: Steve Nord
    Location: El Rio Open Space Preserve
  224. Hermit Warbler Setophaga occidentalis
    # Count: 1
    Date:
    Observer: Andrew Core
    Location: El Rio Open Space Preserve
  225. Cassin's Sparrow Peucaea cassinii
    # Count: 1
    Date:
    Observer: Laurens Halsey
    Location: El Rio Open Space Preserve
  226. Northern Parula Setophaga americana
    # Count: 1
    Date:
    Observer: mary ellen flynn
    Location: El Rio Open Space Preserve
  227. Crested Caracara Caracara plancus
    # Count: 1
    Date:
    Observer: John Williams
    Location: El Rio Open Space Preserve
  228. Ring-billed Gull Larus delawarensis
    # Count: 1
    Date:
    Observer: Craig Thayer
    Location: El Rio Open Space Preserve
  229. Golden-crowned Kinglet Regulus satrapa
    # Count: 1
    Date:
    Observer: Andrew Core
    Location: El Rio Open Space Preserve
  230. Canyon Towhee Melozone fusca
    # Count: 1
    Date:
    Observer: Andrew Core
    Location: El Rio Open Space Preserve
  231. Red Crossbill Loxia curvirostra
    # Count: 1
    Date:
    Observer: Andrew Core
    Location: El Rio Open Space Preserve
  232. Bald Eagle Haliaeetus leucocephalus
    # Count: 1
    Date:
    Observer: mary ellen flynn
    Location: El Rio Open Space Preserve
  233. Semipalmated Plover Charadrius semipalmatus
    # Count: 3
    Date:
    Observer: Chris Rohrer
    Location: El Rio Open Space Preserve
  234. Long-billed Curlew Numenius americanus
    # Count: 3
    Date:
    Observer: Andrew Core
    Location: El Rio Open Space Preserve
  235. American Redstart Setophaga ruticilla
    # Count: 1
    Date:
    Observer: Andrew Core
    Location: El Rio Open Space Preserve
  236. Fox Sparrow Passerella iliaca
    # Count: 1
    Date:
    Observer: Chris Rohrer
    Location: El Rio Open Space Preserve
  237. Western Grebe Aechmophorus occidentalis
    # Count: 1
    Date:
    Observer: Andrew Core
    Location: El Rio Open Space Preserve
  238. Pectoral Sandpiper Calidris melanotos
    # Count: 1
    Date:
    Observer: Andrew Core
    Location: El Rio Open Space Preserve
  239. Purple Finch Haemorhous purpureus
    # Count: 1
    Date:
    Observer: Andrew Core
    Location: El Rio Open Space Preserve
  240. Common Poorwill Phalaenoptilus nuttallii
    # Count: X
    Date:
    Observer: Brian Jones
    Location: El Rio Open Space Preserve
  241. Least Tern Sternula antillarum
    # Count: 1
    Date:
    Observer: Tyler Loomis
    Location: El Rio Open Space Preserve
  242. Franklin's Gull Leucophaeus pipixcan
    # Count: 5
    Date:
    Observer: Andrew Core
    Location: El Rio Open Space Preserve
  243. Marbled Godwit Limosa fedoa
    # Count: 2
    Date:
    Observer: Tyler Loomis
    Location: El Rio Open Space Preserve
  244. Heermann's Gull Larus heermanni
    # Count: 1
    Date:
    Observer: Brian Jones
    Location: El Rio Open Space Preserve
  245. Snow Goose Anser caerulescens
    # Count: 1
    Date:
    Observer: Merle Greenway
    Location: El Rio Open Space Preserve
  246. Red-breasted Merganser Mergus serrator
    # Count: 1
    Date:
    Observer: Brian Jones
    Location: El Rio Open Space Preserve
  247. Eastern Phoebe Sayornis phoebe
    # Count: 1
    Date:
    Observer: Andrew Core
    Location: El Rio Open Space Preserve
  248. Tricolored Heron Egretta tricolor
    # Count: 1
    Date:
    Observer: Andrew Core
    Location: El Rio Open Space Preserve
  249. Crissal Thrasher Toxostoma crissale
    # Count: X
    Date:
    Observer: Bruce Deuel
    Location: El Rio Open Space Preserve

Hybrids (3)

  1. Mallard x Mexican Duck (hybrid) Anas platyrhynchos x diazi
    # Count: 1
    Date:
    Observer: Andrew Core
    Location: El Rio Open Space Preserve
  2. Blue-winged x Cinnamon Teal (hybrid) Spatula discors x cyanoptera
    # Count: 1
    Date:
    Observer: Andrew Core
    Location: El Rio Open Space Preserve
  3. Canyon x Abert's Towhee (hybrid) Melozone fusca x aberti
    # Count: 1
    Date:
    Observer: Andrew Core
    Location: El Rio Open Space Preserve

Additional Taxa (70)

  1. Mallard/Mexican Duck Anas platyrhynchos/diazi
    # Count: 8
    Date:
    Observer: Peggy Steffens
    Location: El Rio Open Space Preserve
  2. hummingbird sp. Trochilidae sp.
    # Count: 1
    Date:
    Observer: Andrew Core
    Location: El Rio Open Space Preserve
  3. swallow sp. Hirundinidae sp.
    # Count: 10
    Date:
    Observer: Andrew Core
    Location: El Rio Open Space Preserve
  4. wren sp. Troglodytidae sp.
    # Count: 1
    Date:
    Observer: Debra Koss
    Location: El Rio Open Space Preserve
  5. gull sp. Larinae sp.
    # Count: 1
    Date:
    Observer: Tristan McKnight
    Location: El Rio Open Space Preserve
  6. Cassin's/Western Kingbird Tyrannus vociferans/verticalis
    # Count: 1
    Date:
    Observer: Nancy Davis
    Location: El Rio Open Space Preserve
  7. Empidonax sp. Empidonax sp.
    # Count: 1
    Date:
    Observer: Marc Passmann
    Location: El Rio Open Space Preserve
  8. pigeon/dove sp. Columbidae sp.
    # Count: 6
    Date:
    Observer: Linda Langer
    Location: El Rio Open Space Preserve
  9. Northern Cardinal/Pyrrhuloxia Cardinalis cardinalis/sinuatus
    # Count: 1
    Date:
    Observer: Andrew Core
    Location: El Rio Open Space Preserve
  10. duck sp. Anatidae (duck sp.)
    # Count: 2
    Date:
    Observer: Anonymous eBirder
    Location: El Rio Open Space Preserve
  11. shorebird sp. Charadriiformes sp.
    # Count: 1
    Date:
    Observer: Ken Murphy
    Location: El Rio Open Space Preserve
  12. Northern/Gilded Flicker Colaptes auratus/chrysoides
    # Count: 1
    Date:
    Observer: Daniel Casey
    Location: El Rio Open Space Preserve
  13. bird sp. Aves sp.
    # Count: 1
    Date:
    Observer: Di Wilder
    Location: El Rio Open Space Preserve
  14. hawk sp. Accipitridae sp. (hawk sp.)
    # Count: 1
    Date:
    Observer: Lucy Kihlstrom
    Location: El Rio Open Space Preserve
  15. Greater/Lesser Scaup Aythya marila/affinis
    # Count: 9
    Date:
    Observer: Don Parce
    Location: El Rio Open Space Preserve
  16. Anna's/Costa's Hummingbird Calypte anna/costae
    # Count: 1
    Date:
    Observer: Laurie Kleespies
    Location: El Rio Open Space Preserve
  17. bluebird sp. Sialia sp.
    # Count: 1
    Date:
    Observer: Don Parce
    Location: El Rio Open Space Preserve
  18. Blue-winged/Cinnamon Teal Spatula discors/cyanoptera
    # Count: 6
    Date:
    Observer: Jon (JC) Curd
    Location: El Rio Open Space Preserve
  19. Double-crested/Neotropic Cormorant Nannopterum auritum/brasilianum
    # Count: 1
    Date:
    Observer: Eldon Vita
    Location: El Rio Open Space Preserve
  20. Common/Ruddy Ground Dove Columbina passerina/talpacoti
    # Count: 1
    Date:
    Observer: Scott Crabtree
    Location: El Rio Open Space Preserve
  21. teal sp. Anatidae sp. (teal sp.)
    # Count: 10
    Date:
    Observer: David Dunford
    Location: El Rio Open Space Preserve
  22. blackbird sp. Icteridae sp.
    # Count: 6
    Date:
    Observer: Andrew Core
    Location: El Rio Open Space Preserve
  23. white egret sp. Egretta/Bubulcus/Ardea sp.
    # Count: 1
    Date:
    Observer: Andrew Core
    Location: El Rio Open Space Preserve
  24. Sharp-shinned/Cooper's Hawk Accipiter striatus/cooperii
    # Count: 1
    Date:
    Observer: Andrew Core
    Location: El Rio Open Space Preserve
  25. dabbling duck sp. Anatidae sp. (dabbling duck sp.)
    # Count: 20
    Date:
    Observer: Carol Hippenmeyer
    Location: El Rio Open Space Preserve
  26. passerine sp. Passeriformes sp.
    # Count: 1
    Date:
    Observer: Andrew Core
    Location: El Rio Open Space Preserve
  27. Spizella sp. Spizella sp.
    # Count: 2
    Date:
    Observer: Andrew Core
    Location: El Rio Open Space Preserve
  28. new world warbler sp. Parulidae sp.
    # Count: 1
    Date:
    Observer: Bente Torvund
    Location: El Rio Open Space Preserve
  29. Passerina sp. Passerina sp.
    # Count: 2
    Date:
    Observer: Andrew Core
    Location: El Rio Open Space Preserve
  30. new world sparrow sp. Passerellidae sp.
    # Count: 2
    Date:
    Observer: bo nelson
    Location: El Rio Open Space Preserve
  31. Myiarchus sp. Myiarchus sp.
    # Count: 2
    Date:
    Observer: Bente Torvund
    Location: El Rio Open Space Preserve
  32. yellow-bellied kingbird sp. Tyrannus sp. (yellow-bellied)
    # Count: 1
    Date:
    Observer: Bente Torvund
    Location: El Rio Open Space Preserve
  33. new world oriole sp. Icterus sp.
    # Count: 1
    Date:
    Observer: Kenneth Franklin
    Location: El Rio Open Space Preserve
  34. large falcon sp. Falco sp. (large falcon sp.)
    # Count: 1
    Date:
    Observer: Andrew Core
    Location: El Rio Open Space Preserve
  35. tanager sp. (Piranga sp.) Piranga sp.
    # Count: 1
    Date:
    Observer: Bente Torvund
    Location: El Rio Open Space Preserve
  36. swift sp. Apodidae sp.
    # Count: 1
    Date:
    Observer: Bente Torvund
    Location: El Rio Open Space Preserve
  37. solitary vireo sp. Vireo cassinii/solitarius/plumbeus
    # Count: 1
    Date:
    Observer: Bente Torvund
    Location: El Rio Open Space Preserve
  38. Cassin's/Plumbeous Vireo Vireo cassinii/plumbeus
    # Count: 1
    Date:
    Observer: Matthew Daw
    Location: El Rio Open Space Preserve
  39. cormorant sp. Phalacrocoracidae sp.
    # Count: 7
    Date:
    Observer: Amy Santee
    Location: El Rio Open Space Preserve
  40. diurnal raptor sp. Accipitriformes/Falconiformes sp.
    # Count: 1
    Date:
    Observer: Brian Nicholas
    Location: El Rio Open Space Preserve
  41. gnatcatcher sp. Polioptila sp.
    # Count: 1
    Date:
    Observer: Jon (JC) Curd
    Location: El Rio Open Space Preserve
  42. woodpecker sp. Picidae sp.
    # Count: 1
    Date:
    Observer: mary ellen flynn
    Location: El Rio Open Space Preserve
  43. Lazuli/Indigo Bunting Passerina amoena/cyanea
    # Count: 1
    Date:
    Observer: Kadynn Hatfield
    Location: El Rio Open Space Preserve
  44. new world flycatcher sp. Tyrannidae sp.
    # Count: 2
    Date:
    Observer: Colleen Dugan
    Location: El Rio Open Space Preserve
  45. nighthawk sp. Chordeiles sp.
    # Count: 2
    Date:
    Observer: Colleen Dugan
    Location: El Rio Open Space Preserve
  46. peep sp. Calidris sp. (peep sp.)
    # Count: 5
    Date:
    Observer: Robert Pitcher
    Location: El Rio Open Space Preserve
  47. Accipiter sp. Accipiter sp.
    # Count: 2
    Date:
    Observer: Kendall Kroesen
    Location: El Rio Open Space Preserve
  48. tern sp. Sterninae sp.
    # Count: 1
    Date:
    Observer: Carol Hippenmeyer
    Location: El Rio Open Space Preserve
  49. Yellow-bellied/Red-naped Sapsucker Sphyrapicus varius/nuchalis
    # Count: 1
    Date:
    Observer: Andrew Core
    Location: El Rio Open Space Preserve
  50. Buteo sp. Buteo sp.
    # Count: 1
    Date:
    Observer: Christine Geymer
    Location: El Rio Open Space Preserve
  51. Hammond's/Dusky Flycatcher Empidonax hammondii/oberholseri
    # Count: 1
    Date:
    Observer: Andrew Core
    Location: El Rio Open Space Preserve
  52. Bronzed/Brown-headed Cowbird Molothrus aeneus/ater
    # Count: 1
    Date:
    Observer: Andrew Core
    Location: El Rio Open Space Preserve
  53. Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceus
    # Count: 1
    Date:
    Observer: Michael Welch
    Location: El Rio Open Space Preserve
  54. Curve-billed/Bendire's Thrasher Toxostoma curvirostre/bendirei
    # Count: 5
    Date:
    Observer: sharon tolby
    Location: El Rio Open Space Preserve
  55. Lesser/Greater Yellowlegs Tringa flavipes/melanoleuca
    # Count: 1
    Date:
    Observer: Jacobo Carrasco
    Location: El Rio Open Space Preserve
  56. falcon sp. Falco sp.
    # Count: 1
    Date:
    Observer: Amy Orchard
    Location: El Rio Open Space Preserve
  57. new world goldfinch sp. Spinus sp. (goldfinch sp.)
    # Count: 2
    Date:
    Observer: Bill Harris
    Location: El Rio Open Space Preserve
  58. small falcon sp. Falco sp. (small falcon sp.)
    # Count: 1
    Date:
    Observer: Scott Roxbrough
    Location: El Rio Open Space Preserve
  59. raven sp. Corvus sp. (raven sp.)
    # Count: 1
    Date:
    Observer: Carl Kikuchi
    Location: El Rio Open Space Preserve
  60. vireo sp. Vireo sp.
    # Count: 1
    Date:
    Observer: Andrew Core
    Location: El Rio Open Space Preserve
  61. Rufous/Allen's Hummingbird Selasphorus rufus/sasin
    # Count: 1
    Date:
    Observer: Andrew Core
    Location: El Rio Open Space Preserve
  62. Toxostoma sp. Toxostoma sp.
    # Count: 1
    Date:
    Observer: SME Webb
    Location: El Rio Open Space Preserve
  63. sapsucker sp. Sphyrapicus sp.
    # Count: 1
    Date:
    Observer: Andrew Core
    Location: El Rio Open Space Preserve
  64. Aythya sp. Aythya sp.
    # Count: 1
    Date:
    Observer: Joyce Pritchett
    Location: El Rio Open Space Preserve
  65. heron sp. Ardeidae sp.
    # Count: 1
    Date:
    Observer: Andrew Core
    Location: El Rio Open Space Preserve
  66. Selasphorus sp. Selasphorus sp.
    # Count: 1
    Date:
    Observer: Andrew Core
    Location: El Rio Open Space Preserve
  67. Glossy/White-faced Ibis Plegadis falcinellus/chihi
    # Count: 1
    Date:
    Observer: mary ellen flynn
    Location: El Rio Open Space Preserve
  68. Canyon/Abert's Towhee Melozone fusca/aberti
    # Count: 1
    Date:
    Observer: Andrew Core
    Location: El Rio Open Space Preserve
  69. owl sp. Strigiformes sp.
    # Count: 1
    Date:
    Observer: Andrew Core
    Location: El Rio Open Space Preserve
  70. Spinus sp. Spinus sp.
    # Count: 2
    Date:
    Observer: Andrew Core
    Location: El Rio Open Space Preserve