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Bird List

Updated ~13 seconds ago
187 All Years 122 This Year 2024 0 This Month Jun 2024
Last Observed First Observed High Count

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  1. Species Name
    Count
    Date
    Observer
    Location

Native and Naturalized (187)

  1. Vaux's Swift Chaetura vauxi
    # Count: 5
    Date:
    Observer: Matt Sadowski
    Location: Upper Otay Reservoir
  2. Herring Gull Larus argentatus
    # Count: 2
    Date:
    Observer: David Gersten
    Location: Upper Otay Reservoir
  3. Mountain Quail Oreortyx pictus
    # Count: 1
    Date:
    Observer: Tom Baxter
    Location: Upper Otay Reservoir
  4. Red-breasted Nuthatch Sitta canadensis
    # Count: 1
    Date:
    Observer: Rod Barbo
    Location: Upper Otay Reservoir
  5. White-breasted Nuthatch Sitta carolinensis
    # Count: 1
    Date:
    Observer: Rod Barbo
    Location: Upper Otay Reservoir
  6. Willet Tringa semipalmata
    # Count: 1
    Date:
    Observer: Jeremiah Stock
    Location: Upper Otay Reservoir
  7. Eurasian Collared-Dove Streptopelia decaocto
    # Count: 1
    Date:
    Observer: bonnie henson
    Location: Upper Otay Reservoir
  8. Rufous Hummingbird Selasphorus rufus
    # Count: 1
    Date:
    Observer: Zachary Fica
    Location: Upper Otay Reservoir
  9. Greater White-fronted Goose Anser albifrons
    # Count: 65
    Date:
    Observer: Matt Sadowski
    Location: Upper Otay Reservoir
  10. Fox Sparrow Passerella iliaca
    # Count: 1
    Date:
    Observer: Holger Schneider
    Location: Upper Otay Reservoir
  11. Acorn Woodpecker Melanerpes formicivorus
    # Count: 1
    Date:
    Observer: bonnie henson
    Location: Upper Otay Reservoir
  12. Brewer's Sparrow Spizella breweri
    # Count: 1
    Date:
    Observer: Jonny Sperling
    Location: Upper Otay Reservoir
  13. Swainson's Thrush Catharus ustulatus
    # Count: 1
    Date:
    Observer: Rod Barbo
    Location: Upper Otay Reservoir
  14. MacGillivray's Warbler Geothlypis tolmiei
    # Count: 1
    Date:
    Observer: bonnie henson
    Location: Upper Otay Reservoir
  15. Black-throated Gray Warbler Setophaga nigrescens
    # Count: 1
    Date:
    Observer: Ben Stalheim
    Location: Upper Otay Reservoir
  16. Townsend's Warbler Setophaga townsendi
    # Count: 2
    Date:
    Observer: Lizzie Diener
    Location: Upper Otay Reservoir
  17. Grasshopper Sparrow Ammodramus savannarum
    # Count: 1
    Date:
    Observer: Steven Dammer
    Location: Upper Otay Reservoir
  18. Nashville Warbler Leiothlypis ruficapilla
    # Count: 1
    Date:
    Observer: Steven Dammer
    Location: Upper Otay Reservoir
  19. Wilson's Phalarope Phalaropus tricolor
    # Count: 2
    Date:
    Observer: Rod Barbo
    Location: Upper Otay Reservoir
  20. Purple Finch Haemorhous purpureus
    # Count: 2
    Date:
    Observer: Matt Sadowski
    Location: Upper Otay Reservoir
  21. Hammond's Flycatcher Empidonax hammondii
    # Count: 1
    Date:
    Observer: Matthew Keenan
    Location: Upper Otay Reservoir
  22. Scaly-breasted Munia Lonchura punctulata
    # Count: 1
    Date:
    Observer: Paul Marvin
    Location: Upper Otay Reservoir
  23. Barn Owl Tyto alba
    # Count: 1
    Date:
    Observer: Paul Marvin
    Location: Upper Otay Reservoir
  24. Great Horned Owl Bubo virginianus
    # Count: 1
    Date:
    Observer: Paul Marvin
    Location: Upper Otay Reservoir
  25. Bald Eagle Haliaeetus leucocephalus
    # Count: 1
    Date:
    Observer: Jorge Ayón
    Location: Upper Otay Reservoir
  26. Red-necked Phalarope Phalaropus lobatus
    # Count: 2
    Date:
    Observer: Jeremiah Stock
    Location: Upper Otay Reservoir
  27. Least Sandpiper Calidris minutilla
    # Count: 8
    Date:
    Observer: Paul Marvin
    Location: Upper Otay Reservoir
  28. Black-necked Stilt Himantopus mexicanus
    # Count: 1
    Date:
    Observer: Anonymous eBirder
    Location: Upper Otay Reservoir
  29. Horned Lark Eremophila alpestris
    # Count: 2
    Date:
    Observer: Paul Marvin
    Location: Upper Otay Reservoir
  30. Vesper Sparrow Pooecetes gramineus
    # Count: 3
    Date:
    Observer: Paul Marvin
    Location: Upper Otay Reservoir
  31. Red-breasted Sapsucker Sphyrapicus ruber
    # Count: 1
    Date:
    Observer: Richard Norgaard
    Location: Upper Otay Reservoir
  32. Phainopepla Phainopepla nitens
    # Count: 3
    Date:
    Observer: Marc Arndt
    Location: Upper Otay Reservoir
  33. Lawrence's Goldfinch Spinus lawrencei
    # Count: 1
    Date:
    Observer: Jonathan Bowser
    Location: Upper Otay Reservoir
  34. American Robin Turdus migratorius
    # Count: 1
    Date:
    Observer: John Bruin
    Location: Upper Otay Reservoir
  35. Common Goldeneye Bucephala clangula
    # Count: 1
    Date:
    Observer: Jim Pawlicki
    Location: Upper Otay Reservoir
  36. Ferruginous Hawk Buteo regalis
    # Count: 1
    Date:
    Observer: John Bruin
    Location: Upper Otay Reservoir
  37. Northern Pintail Anas acuta
    # Count: 2
    Date:
    Observer: Ryan Andrews
    Location: Upper Otay Reservoir
  38. Hooded Merganser Lophodytes cucullatus
    # Count: 1
    Date:
    Observer: Ryan Andrews
    Location: Upper Otay Reservoir
  39. Pine Siskin Spinus pinus
    # Count: 1
    Date:
    Observer: Ryan Andrews
    Location: Upper Otay Reservoir
  40. Merlin Falco columbarius
    # Count: 2
    Date:
    Observer: Mel Senac
    Location: Upper Otay Reservoir
  41. Lesser Nighthawk Chordeiles acutipennis
    # Count: 1
    Date:
    Observer: Andy Keister
    Location: Upper Otay Reservoir
  42. Golden-crowned Sparrow Zonotrichia atricapilla
    # Count: 3
    Date:
    Observer: John Martin
    Location: Upper Otay Reservoir
  43. Cedar Waxwing Bombycilla cedrorum
    # Count: 3
    Date:
    Observer: Tim Dillingham
    Location: Upper Otay Reservoir
  44. Red-breasted Merganser Mergus serrator
    # Count: 2
    Date:
    Observer: 🐦‍⬛ Jason 🦚 K 🦩Pietrzak 🦃
    Location: Upper Otay Reservoir
  45. Summer Tanager Piranga rubra
    # Count: 1
    Date:
    Observer: Lea Squires
    Location: Upper Otay Reservoir
  46. Downy Woodpecker Dryobates pubescens
    # Count: 1
    Date:
    Observer: Nancy Christensen
    Location: Upper Otay Reservoir
  47. Sharp-shinned Hawk Accipiter striatus
    # Count: 1
    Date:
    Observer: Amin Khalifa
    Location: Upper Otay Reservoir
  48. White-throated Swift Aeronautes saxatalis
    # Count: X
    Date:
    Observer: Greg Thomas
    Location: Upper Otay Reservoir
  49. Blue-winged Teal Spatula discors
    # Count: 4
    Date:
    Observer: Max Leibowitz
    Location: Upper Otay Reservoir
  50. Wilson's Snipe Gallinago delicata
    # Count: 1
    Date:
    Observer: Richard Norgaard
    Location: Upper Otay Reservoir
  51. California Scrub-Jay Aphelocoma californica
    # Count: 2
    Date:
    Observer: Edward Raynor
    Location: Upper Otay Reservoir
  52. Greater Scaup Aythya marila
    # Count: 1
    Date:
    Observer: Matt Sadowski
    Location: Upper Otay Reservoir
  53. American Pipit Anthus rubescens
    # Count: 1
    Date:
    Observer: Matt Sadowski
    Location: Upper Otay Reservoir
  54. Tufted Duck Aythya fuligula
    # Count: 1
    Date:
    Observer: Sara Mayers
    Location: Upper Otay Reservoir
  55. Rock Pigeon Columba livia
    # Count: 3
    Date:
    Observer: Tim Dillingham
    Location: Upper Otay Reservoir
  56. American White Pelican Pelecanus erythrorhynchos
    # Count: 13
    Date:
    Observer: Tom Frankenberger
    Location: Upper Otay Reservoir
  57. Common Poorwill Phalaenoptilus nuttallii
    # Count: 2
    Date:
    Observer: Tom Frankenberger
    Location: Upper Otay Reservoir
  58. Eastern Phoebe Sayornis phoebe
    # Count: 1
    Date:
    Observer: Robb Welch
    Location: Upper Otay Reservoir
  59. Hermit Thrush Catharus guttatus
    # Count: 1
    Date:
    Observer: Tom Frankenberger
    Location: Upper Otay Reservoir
  60. Green-winged Teal Anas crecca
    # Count: 3
    Date:
    Observer: Justyn Stahl
    Location: Upper Otay Reservoir
  61. House Sparrow Passer domesticus
    # Count: 2
    Date:
    Observer: David Pettee
    Location: Upper Otay Reservoir
  62. Dark-eyed Junco Junco hyemalis
    # Count: 3
    Date:
    Observer: David Pettee
    Location: Upper Otay Reservoir
  63. Canada Goose Branta canadensis
    # Count: 1
    Date:
    Observer: Neil Hayward
    Location: Upper Otay Reservoir
  64. Allen's Hummingbird Selasphorus sasin
    # Count: 6
    Date:
    Observer: Marc Arndt
    Location: Upper Otay Reservoir
  65. Hermit Warbler Setophaga occidentalis
    # Count: 1
    Date:
    Observer: Marc Arndt
    Location: Upper Otay Reservoir
  66. Black-chinned Hummingbird Archilochus alexandri
    # Count: 1
    Date:
    Observer: Tom Frankenberger
    Location: Upper Otay Reservoir
  67. Clark's Grebe Aechmophorus clarkii
    # Count: 1
    Date:
    Observer: BJ Stacey
    Location: Upper Otay Reservoir
  68. Brown-headed Cowbird Molothrus ater
    # Count: 2
    Date:
    Observer: BJ Stacey
    Location: Upper Otay Reservoir
  69. Western Flycatcher Empidonax difficilis
    # Count: 1
    Date:
    Observer: Tom Frankenberger
    Location: Upper Otay Reservoir
  70. Greater Roadrunner Geococcyx californianus
    # Count: 1
    Date:
    Observer: Marc Arndt
    Location: Upper Otay Reservoir
  71. Brewer's Blackbird Euphagus cyanocephalus
    # Count: 1
    Date:
    Observer: Marc Arndt
    Location: Upper Otay Reservoir
  72. Violet-green Swallow Tachycineta thalassina
    # Count: 2
    Date:
    Observer: Isaac Sanchez
    Location: Upper Otay Reservoir
  73. Lesser Scaup Aythya affinis
    # Count: X
    Date:
    Observer: Jeremiah Stock
    Location: Upper Otay Reservoir
  74. Bufflehead Bucephala albeola
    # Count: X
    Date:
    Observer: Jeremiah Stock
    Location: Upper Otay Reservoir
  75. Lincoln's Sparrow Melospiza lincolnii
    # Count: X
    Date:
    Observer: Jeremiah Stock
    Location: Upper Otay Reservoir
  76. Gadwall Mareca strepera
    # Count: 6
    Date:
    Observer: Andy Lazere
    Location: Upper Otay Reservoir
  77. California Gull Larus californicus
    # Count: 1
    Date:
    Observer: Andy Lazere
    Location: Upper Otay Reservoir
  78. Northern Shoveler Spatula clypeata
    # Count: 6
    Date:
    Observer: Marc Arndt
    Location: Upper Otay Reservoir
  79. Redhead Aythya americana
    # Count: 2
    Date:
    Observer: Marc Arndt
    Location: Upper Otay Reservoir
  80. American Wigeon Mareca americana
    # Count: X
    Date:
    Observer: Paul Marvin
    Location: Upper Otay Reservoir
  81. Black-crowned Night Heron Nycticorax nycticorax
    # Count: 2
    Date:
    Observer: Marc Arndt
    Location: Upper Otay Reservoir
  82. Osprey Pandion haliaetus
    # Count: 1
    Date:
    Observer: Marc Arndt
    Location: Upper Otay Reservoir
  83. Rock Wren Salpinctes obsoletus
    # Count: 1
    Date:
    Observer: Marc Arndt
    Location: Upper Otay Reservoir
  84. Bell's Vireo Vireo bellii
    # Count: 1
    Date:
    Observer: Alex Burdo
    Location: Upper Otay Reservoir
  85. Cooper's Hawk Accipiter cooperii
    # Count: 1
    Date:
    Observer: Ken Hartman cc
    Location: Upper Otay Reservoir
  86. Rufous-crowned Sparrow Aimophila ruficeps
    # Count: 1
    Date:
    Observer: Ken Hartman cc
    Location: Upper Otay Reservoir
  87. Yellow-breasted Chat Icteria virens
    # Count: 1
    Date:
    Observer: David Povey
    Location: Upper Otay Reservoir
  88. Hooded Oriole Icterus cucullatus
    # Count: 1
    Date:
    Observer: David Povey
    Location: Upper Otay Reservoir
  89. Tricolored Blackbird Agelaius tricolor
    # Count: 80
    Date:
    Observer: David Povey
    Location: Upper Otay Reservoir
  90. Western Tanager Piranga ludoviciana
    # Count: 1
    Date:
    Observer: David Povey
    Location: Upper Otay Reservoir
  91. Black-headed Grosbeak Pheucticus melanocephalus
    # Count: 2
    Date:
    Observer: David Povey
    Location: Upper Otay Reservoir
  92. Virginia Rail Rallus limicola
    # Count: X
    Date:
    Observer: Paul Marvin
    Location: Upper Otay Reservoir
  93. Ring-billed Gull Larus delawarensis
    # Count: X
    Date:
    Observer: Paul Marvin
    Location: Upper Otay Reservoir
  94. Red-shouldered Hawk Buteo lineatus
    # Count: X
    Date:
    Observer: Paul Marvin
    Location: Upper Otay Reservoir
  95. Western Bluebird Sialia mexicana
    # Count: X
    Date:
    Observer: Paul Marvin
    Location: Upper Otay Reservoir
  96. American Goldfinch Spinus tristis
    # Count: X
    Date:
    Observer: Paul Marvin
    Location: Upper Otay Reservoir
  97. Western Gull Larus occidentalis
    # Count: 2
    Date:
    Observer: Steve Hosmer
    Location: Upper Otay Reservoir
  98. Belted Kingfisher Megaceryle alcyon
    # Count: 1
    Date:
    Observer: Steve Hosmer
    Location: Upper Otay Reservoir
  99. Olive-sided Flycatcher Contopus cooperi
    # Count: 1
    Date:
    Observer: Steve Hosmer
    Location: Upper Otay Reservoir
  100. Costa's Hummingbird Calypte costae
    # Count: 1
    Date:
    Observer: BJ Stacey
    Location: Upper Otay Reservoir
  101. California Thrasher Toxostoma redivivum
    # Count: 3
    Date:
    Observer: BJ Stacey
    Location: Upper Otay Reservoir
  102. Lesser Goldfinch Spinus psaltria
    # Count: 10
    Date:
    Observer: BJ Stacey
    Location: Upper Otay Reservoir
  103. Song Sparrow Melospiza melodia
    # Count: 5
    Date:
    Observer: BJ Stacey
    Location: Upper Otay Reservoir
  104. Cliff Swallow Petrochelidon pyrrhonota
    # Count: X
    Date:
    Observer: Diane Rose
    Location: Upper Otay Reservoir
  105. Lazuli Bunting Passerina amoena
    # Count: X
    Date:
    Observer: Diane Rose
    Location: Upper Otay Reservoir
  106. Northern Mockingbird Mimus polyglottos
    # Count: 1
    Date:
    Observer: BJ Stacey
    Location: Upper Otay Reservoir
  107. Blue Grosbeak Passerina caerulea
    # Count: 4
    Date:
    Observer: BJ Stacey
    Location: Upper Otay Reservoir
  108. Ridgway's Rail Rallus obsoletus
    # Count: 1
    Date:
    Observer: San Diego Historical Records
    Location: Upper Otay Reservoir
  109. Canvasback Aythya valisineria
    # Count: X
    Date:
    Observer: Diane Rose
    Location: Upper Otay Reservoir
  110. Peregrine Falcon Falco peregrinus
    # Count: X
    Date:
    Observer: Diane Rose
    Location: Upper Otay Reservoir
  111. Least Bittern Ixobrychus exilis
    # Count: 2
    Date:
    Observer: Richard Norgaard
    Location: Upper Otay Reservoir
  112. Northern Flicker Colaptes auratus
    # Count: 1
    Date:
    Observer: Matt Sadowski
    Location: Upper Otay Reservoir
  113. Loggerhead Shrike Lanius ludovicianus
    # Count: 1
    Date:
    Observer: Francis Toldi
    Location: Upper Otay Reservoir
  114. Great-tailed Grackle Quiscalus mexicanus
    # Count: X
    Date:
    Observer: Francis Toldi
    Location: Upper Otay Reservoir
  115. Common Gallinule Gallinula galeata
    # Count: 1
    Date:
    Observer: David Daniels
    Location: Upper Otay Reservoir
  116. Turkey Vulture Cathartes aura
    # Count: 4
    Date:
    Observer: David Daniels
    Location: Upper Otay Reservoir
  117. White-tailed Kite Elanus leucurus
    # Count: 1
    Date:
    Observer: David Daniels
    Location: Upper Otay Reservoir
  118. Red-tailed Hawk Buteo jamaicensis
    # Count: 2
    Date:
    Observer: David Daniels
    Location: Upper Otay Reservoir
  119. Ash-throated Flycatcher Myiarchus cinerascens
    # Count: 1
    Date:
    Observer: David Daniels
    Location: Upper Otay Reservoir
  120. Western Kingbird Tyrannus verticalis
    # Count: 2
    Date:
    Observer: David Daniels
    Location: Upper Otay Reservoir
  121. Warbling Vireo Vireo gilvus
    # Count: 2
    Date:
    Observer: David Daniels
    Location: Upper Otay Reservoir
  122. American Crow Corvus brachyrhynchos
    # Count: 3
    Date:
    Observer: David Daniels
    Location: Upper Otay Reservoir
  123. Bell's Sparrow Artemisiospiza belli
    # Count: 1
    Date:
    Observer: David Daniels
    Location: Upper Otay Reservoir
  124. Western Meadowlark Sturnella neglecta
    # Count: 1
    Date:
    Observer: David Daniels
    Location: Upper Otay Reservoir
  125. Bullock's Oriole Icterus bullockii
    # Count: 1
    Date:
    Observer: David Daniels
    Location: Upper Otay Reservoir
  126. California Quail Callipepla californica
    # Count: 6
    Date:
    Observer: Richard Norgaard
    Location: Upper Otay Reservoir
  127. Eared Grebe Podiceps nigricollis
    # Count: 3
    Date:
    Observer: Richard Norgaard
    Location: Upper Otay Reservoir
  128. Western Grebe Aechmophorus occidentalis
    # Count: 6
    Date:
    Observer: Richard Norgaard
    Location: Upper Otay Reservoir
  129. Mourning Dove Zenaida macroura
    # Count: 5
    Date:
    Observer: Richard Norgaard
    Location: Upper Otay Reservoir
  130. Greater Yellowlegs Tringa melanoleuca
    # Count: 1
    Date:
    Observer: Richard Norgaard
    Location: Upper Otay Reservoir
  131. Western Sandpiper Calidris mauri
    # Count: 6
    Date:
    Observer: Richard Norgaard
    Location: Upper Otay Reservoir
  132. Caspian Tern Hydroprogne caspia
    # Count: 1
    Date:
    Observer: Richard Norgaard
    Location: Upper Otay Reservoir
  133. Snowy Egret Egretta thula
    # Count: 1
    Date:
    Observer: Richard Norgaard
    Location: Upper Otay Reservoir
  134. Great Blue Heron Ardea herodias
    # Count: 1
    Date:
    Observer: Richard Norgaard
    Location: Upper Otay Reservoir
  135. Nuttall's Woodpecker Dryobates nuttallii
    # Count: 1
    Date:
    Observer: Richard Norgaard
    Location: Upper Otay Reservoir
  136. American Kestrel Falco sparverius
    # Count: 2
    Date:
    Observer: Richard Norgaard
    Location: Upper Otay Reservoir
  137. Western Wood-Pewee Contopus sordidulus
    # Count: 1
    Date:
    Observer: Richard Norgaard
    Location: Upper Otay Reservoir
  138. Willow Flycatcher Empidonax traillii
    # Count: 1
    Date:
    Observer: Richard Norgaard
    Location: Upper Otay Reservoir
  139. Black Phoebe Sayornis nigricans
    # Count: 2
    Date:
    Observer: Richard Norgaard
    Location: Upper Otay Reservoir
  140. Say's Phoebe Sayornis saya
    # Count: 2
    Date:
    Observer: Richard Norgaard
    Location: Upper Otay Reservoir
  141. Cassin's Kingbird Tyrannus vociferans
    # Count: 2
    Date:
    Observer: Richard Norgaard
    Location: Upper Otay Reservoir
  142. Hutton's Vireo Vireo huttoni
    # Count: 2
    Date:
    Observer: Richard Norgaard
    Location: Upper Otay Reservoir
  143. Northern Rough-winged Swallow Stelgidopteryx serripennis
    # Count: 5
    Date:
    Observer: Richard Norgaard
    Location: Upper Otay Reservoir
  144. Barn Swallow Hirundo rustica
    # Count: 4
    Date:
    Observer: Richard Norgaard
    Location: Upper Otay Reservoir
  145. Wrentit Chamaea fasciata
    # Count: 3
    Date:
    Observer: Richard Norgaard
    Location: Upper Otay Reservoir
  146. House Wren Troglodytes aedon
    # Count: 1
    Date:
    Observer: Richard Norgaard
    Location: Upper Otay Reservoir
  147. Marsh Wren Cistothorus palustris
    # Count: 2
    Date:
    Observer: Richard Norgaard
    Location: Upper Otay Reservoir
  148. Bewick's Wren Thryomanes bewickii
    # Count: 2
    Date:
    Observer: Richard Norgaard
    Location: Upper Otay Reservoir
  149. European Starling Sturnus vulgaris
    # Count: 6
    Date:
    Observer: Richard Norgaard
    Location: Upper Otay Reservoir
  150. House Finch Haemorhous mexicanus
    # Count: 5
    Date:
    Observer: Richard Norgaard
    Location: Upper Otay Reservoir
  151. Black-chinned Sparrow Spizella atrogularis
    # Count: 1
    Date:
    Observer: Richard Norgaard
    Location: Upper Otay Reservoir
  152. Lark Sparrow Chondestes grammacus
    # Count: 2
    Date:
    Observer: Richard Norgaard
    Location: Upper Otay Reservoir
  153. Spotted Towhee Pipilo maculatus
    # Count: 3
    Date:
    Observer: Richard Norgaard
    Location: Upper Otay Reservoir
  154. Orange-crowned Warbler Leiothlypis celata
    # Count: 1
    Date:
    Observer: Richard Norgaard
    Location: Upper Otay Reservoir
  155. Yellow Warbler Setophaga petechia
    # Count: 1
    Date:
    Observer: Richard Norgaard
    Location: Upper Otay Reservoir
  156. Yellow-rumped Warbler Setophaga coronata
    # Count: 3
    Date:
    Observer: Richard Norgaard
    Location: Upper Otay Reservoir
  157. Wilson's Warbler Cardellina pusilla
    # Count: 1
    Date:
    Observer: Richard Norgaard
    Location: Upper Otay Reservoir
  158. Cinnamon Teal Spatula cyanoptera
    # Count: 3
    Date:
    Observer: Richard Norgaard
    Location: Upper Otay Reservoir
  159. Ruddy Duck Oxyura jamaicensis
    # Count: 6
    Date:
    Observer: Richard Norgaard
    Location: Upper Otay Reservoir
  160. Pied-billed Grebe Podilymbus podiceps
    # Count: 3
    Date:
    Observer: Richard Norgaard
    Location: Upper Otay Reservoir
  161. Sora Porzana carolina
    # Count: 1
    Date:
    Observer: Richard Norgaard
    Location: Upper Otay Reservoir
  162. Killdeer Charadrius vociferus
    # Count: 4
    Date:
    Observer: Richard Norgaard
    Location: Upper Otay Reservoir
  163. Spotted Sandpiper Actitis macularius
    # Count: 1
    Date:
    Observer: Richard Norgaard
    Location: Upper Otay Reservoir
  164. Forster's Tern Sterna forsteri
    # Count: 2
    Date:
    Observer: Richard Norgaard
    Location: Upper Otay Reservoir
  165. Double-crested Cormorant Nannopterum auritum
    # Count: 2
    Date:
    Observer: Richard Norgaard
    Location: Upper Otay Reservoir
  166. Green Heron Butorides virescens
    # Count: 1
    Date:
    Observer: Richard Norgaard
    Location: Upper Otay Reservoir
  167. Great Egret Ardea alba
    # Count: 1
    Date:
    Observer: Richard Norgaard
    Location: Upper Otay Reservoir
  168. Tree Swallow Tachycineta bicolor
    # Count: 6
    Date:
    Observer: Richard Norgaard
    Location: Upper Otay Reservoir
  169. Blue-gray Gnatcatcher Polioptila caerulea
    # Count: 1
    Date:
    Observer: Richard Norgaard
    Location: Upper Otay Reservoir
  170. Savannah Sparrow Passerculus sandwichensis
    # Count: 5
    Date:
    Observer: Richard Norgaard
    Location: Upper Otay Reservoir
  171. Red-winged Blackbird Agelaius phoeniceus
    # Count: 10
    Date:
    Observer: Richard Norgaard
    Location: Upper Otay Reservoir
  172. Common Yellowthroat Geothlypis trichas
    # Count: 3
    Date:
    Observer: Richard Norgaard
    Location: Upper Otay Reservoir
  173. White-faced Ibis Plegadis chihi
    # Count: 10
    Date:
    Observer: Richard Norgaard
    Location: Upper Otay Reservoir
  174. Ring-necked Duck Aythya collaris
    # Count: X
    Date:
    Observer: Gjon Hazard
    Location: Upper Otay Reservoir
  175. Gray Flycatcher Empidonax wrightii
    # Count: 1
    Date:
    Observer: Gjon Hazard
    Location: Upper Otay Reservoir
  176. Mountain Bluebird Sialia currucoides
    # Count: X
    Date:
    Observer: Gjon Hazard
    Location: Upper Otay Reservoir
  177. Mallard Anas platyrhynchos
    # Count: 2
    Date:
    Observer: Marcel Holyoak
    Location: Upper Otay Reservoir
  178. Anna's Hummingbird Calypte anna
    # Count: 2
    Date:
    Observer: Marcel Holyoak
    Location: Upper Otay Reservoir
  179. American Coot Fulica americana
    # Count: X
    Date:
    Observer: Marcel Holyoak
    Location: Upper Otay Reservoir
  180. Common Raven Corvus corax
    # Count: 4
    Date:
    Observer: Marcel Holyoak
    Location: Upper Otay Reservoir
  181. Bushtit Psaltriparus minimus
    # Count: X
    Date:
    Observer: Marcel Holyoak
    Location: Upper Otay Reservoir
  182. Ruby-crowned Kinglet Corthylio calendula
    # Count: X
    Date:
    Observer: Marcel Holyoak
    Location: Upper Otay Reservoir
  183. White-crowned Sparrow Zonotrichia leucophrys
    # Count: X
    Date:
    Observer: Marcel Holyoak
    Location: Upper Otay Reservoir
  184. California Towhee Melozone crissalis
    # Count: 1
    Date:
    Observer: Marcel Holyoak
    Location: Upper Otay Reservoir
  185. Northern Harrier Circus hudsonius
    # Count: 1
    Date:
    Observer: Marcel Holyoak
    Location: Upper Otay Reservoir
  186. California Gnatcatcher Polioptila californica
    # Count: X
    Date:
    Observer: Marisa Windell
    Location: Upper Otay Reservoir
  187. Wood Duck Aix sponsa
    # Count: X
    Date:
    Observer: Dennis Heinemann
    Location: Upper Otay Reservoir

Hybrids (1)

  1. Ring-necked Duck x scaup sp. (hybrid) Aythya collaris x marila/affinis
    # Count: 1
    Date:
    Observer: Elias Aristides Elias
    Location: Upper Otay Reservoir

Additional Taxa (33)

  1. new world oriole sp. Icterus sp.
    # Count: 1
    Date:
    Observer: Matt Sadowski
    Location: Upper Otay Reservoir
  2. Cassin's/Western Kingbird Tyrannus vociferans/verticalis
    # Count: 1
    Date:
    Observer: Matt Sadowski
    Location: Upper Otay Reservoir
  3. Passerina sp. Passerina sp.
    # Count: 1
    Date:
    Observer: Matt Sadowski
    Location: Upper Otay Reservoir
  4. new world warbler sp. Parulidae sp.
    # Count: 2
    Date:
    Observer: Matthew Withrow
    Location: Upper Otay Reservoir
  5. Blue-winged/Cinnamon Teal Spatula discors/cyanoptera
    # Count: 5
    Date:
    Observer: Jonny Sperling
    Location: Upper Otay Reservoir
  6. dabbling duck sp. Anatidae sp. (dabbling duck sp.)
    # Count: 2
    Date:
    Observer: Jonny Sperling
    Location: Upper Otay Reservoir
  7. Red-winged/Tricolored Blackbird Agelaius phoeniceus/tricolor
    # Count: 3
    Date:
    Observer: Jonny Sperling
    Location: Upper Otay Reservoir
  8. new world quail sp. Odontophoridae sp.
    # Count: 2
    Date:
    Observer: Matthew Keenan
    Location: Upper Otay Reservoir
  9. woodpecker sp. Picidae sp.
    # Count: 2
    Date:
    Observer: Jonny Sperling
    Location: Upper Otay Reservoir
  10. Spinus sp. Spinus sp.
    # Count: 10
    Date:
    Observer: Jonny Sperling
    Location: Upper Otay Reservoir
  11. passerine sp. Passeriformes sp.
    # Count: 15
    Date:
    Observer: Jonny Sperling
    Location: Upper Otay Reservoir
  12. rail/crake sp. Rallidae sp. (rail/crake sp.)
    # Count: 4
    Date:
    Observer: Jonny Sperling
    Location: Upper Otay Reservoir
  13. Sharp-shinned/Cooper's Hawk Accipiter striatus/cooperii
    # Count: 1
    Date:
    Observer: Jeremiah Stock
    Location: Upper Otay Reservoir
  14. Lazuli/Indigo Bunting Passerina amoena/cyanea
    # Count: 1
    Date:
    Observer: Paul Marvin
    Location: Upper Otay Reservoir
  15. teal sp. Anatidae sp. (teal sp.)
    # Count: 6
    Date:
    Observer: Jeremiah Stock
    Location: Upper Otay Reservoir
  16. Empidonax sp. Empidonax sp.
    # Count: 1
    Date:
    Observer: Ryan Pottinger
    Location: Upper Otay Reservoir
  17. large shorebird sp. Scolopacidae sp. (large shorebird sp.)
    # Count: 1
    Date:
    Observer: Aaron Polichar
    Location: Upper Otay Reservoir
  18. Greater/Lesser Scaup Aythya marila/affinis
    # Count: 50
    Date:
    Observer: BJ Stacey
    Location: Upper Otay Reservoir
  19. small falcon sp. Falco sp. (small falcon sp.)
    # Count: 1
    Date:
    Observer: Justyn Stahl
    Location: Upper Otay Reservoir
  20. gnatcatcher sp. Polioptila sp.
    # Count: 1
    Date:
    Observer: Neil Hayward
    Location: Upper Otay Reservoir
  21. swift sp. Apodidae sp.
    # Count: X
    Date:
    Observer: Sara Mayers
    Location: Upper Otay Reservoir
  22. Western/Clark's Grebe Aechmophorus occidentalis/clarkii
    # Count: 4
    Date:
    Observer: BJ Stacey
    Location: Upper Otay Reservoir
  23. yellow-bellied kingbird sp. Tyrannus sp. (yellow-bellied)
    # Count: 1
    Date:
    Observer: Marc Arndt
    Location: Upper Otay Reservoir
  24. duck sp. Anatidae (duck sp.)
    # Count: 30
    Date:
    Observer: Tom Frankenberger
    Location: Upper Otay Reservoir
  25. Buteo sp. Buteo sp.
    # Count: 2
    Date:
    Observer: Tom Frankenberger
    Location: Upper Otay Reservoir
  26. gull sp. Larinae sp.
    # Count: 10
    Date:
    Observer: Marc Arndt
    Location: Upper Otay Reservoir
  27. new world sparrow sp. Passerellidae sp.
    # Count: 6
    Date:
    Observer: Marc Arndt
    Location: Upper Otay Reservoir
  28. hummingbird sp. Trochilidae sp.
    # Count: 1
    Date:
    Observer: David Povey
    Location: Upper Otay Reservoir
  29. blackbird sp. Icteridae sp.
    # Count: 10
    Date:
    Observer: David Povey
    Location: Upper Otay Reservoir
  30. Rufous/Allen's Hummingbird Selasphorus rufus/sasin
    # Count: 1
    Date:
    Observer: Richard Norgaard
    Location: Upper Otay Reservoir
  31. swallow sp. Hirundinidae sp.
    # Count: 10
    Date:
    Observer: Richard Norgaard
    Location: Upper Otay Reservoir
  32. wren sp. Troglodytidae sp.
    # Count: 3
    Date:
    Observer: Richard Norgaard
    Location: Upper Otay Reservoir
  33. Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceus
    # Count: 6
    Date:
    Observer: Richard Norgaard
    Location: Upper Otay Reservoir