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Bird List

Updated ~8 seconds ago
187 All Years 122 This Year 2024 63 This Month May 2024
Last Observed First Observed High Count

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  1. Species Name
    Count
    Date
    Observer
    Location

Native and Naturalized (187)

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

Additional Taxa (33)

  1. Rufous/Allen's Hummingbird Selasphorus rufus/sasin
    # Count: 1
    Date:
    Observer: Matt Sadowski
    Location: Upper Otay Reservoir
  2. hummingbird sp. Trochilidae sp.
    # Count: 1
    Date:
    Observer: Matt Sadowski
    Location: Upper Otay Reservoir
  3. new world oriole sp. Icterus sp.
    # Count: 1
    Date:
    Observer: Matt Sadowski
    Location: Upper Otay Reservoir
  4. Passerina sp. Passerina sp.
    # Count: 1
    Date:
    Observer: Matt Sadowski
    Location: Upper Otay Reservoir
  5. Cassin's/Western Kingbird Tyrannus vociferans/verticalis
    # Count: 1
    Date:
    Observer: Matt Sadowski
    Location: Upper Otay Reservoir
  6. swallow sp. Hirundinidae sp.
    # Count: 20
    Date:
    Observer: Matt Sadowski
    Location: Upper Otay Reservoir
  7. blackbird sp. Icteridae sp.
    # Count: 3
    Date:
    Observer: Chris McCreedy - no playbacks
    Location: Upper Otay Reservoir
  8. Sharp-shinned/Cooper's Hawk Accipiter striatus/cooperii
    # Count: 1
    Date:
    Observer: Matt Sadowski
    Location: Upper Otay Reservoir
  9. Spinus sp. Spinus sp.
    # Count: 4
    Date:
    Observer: Matt Sadowski
    Location: Upper Otay Reservoir
  10. new world sparrow sp. Passerellidae sp.
    # Count: 1
    Date:
    Observer: Matt Sadowski
    Location: Upper Otay Reservoir
  11. new world warbler sp. Parulidae sp.
    # Count: 2
    Date:
    Observer: Matthew Withrow
    Location: Upper Otay Reservoir
  12. duck sp. Anatidae (duck sp.)
    # Count: 5
    Date:
    Observer: Jady Conroy
    Location: Upper Otay Reservoir
  13. Empidonax sp. Empidonax sp.
    # Count: 1
    Date:
    Observer: Jady Conroy
    Location: Upper Otay Reservoir
  14. Blue-winged/Cinnamon Teal Spatula discors/cyanoptera
    # Count: 1
    Date:
    Observer: Pema Zonglo
    Location: Upper Otay Reservoir
  15. dabbling duck sp. Anatidae sp. (dabbling duck sp.)
    # Count: 4
    Date:
    Observer: Alison Hiers
    Location: Upper Otay Reservoir
  16. Western/Clark's Grebe Aechmophorus occidentalis/clarkii
    # Count: 1
    Date:
    Observer: Norka Saldana
    Location: Upper Otay Reservoir
  17. Red-winged/Tricolored Blackbird Agelaius phoeniceus/tricolor
    # Count: 3
    Date:
    Observer: Jonny Sperling
    Location: Upper Otay Reservoir
  18. Buteo sp. Buteo sp.
    # Count: 1
    Date:
    Observer: Steven Dammer
    Location: Upper Otay Reservoir
  19. rail/crake sp. Rallidae sp. (rail/crake sp.)
    # Count: 1
    Date:
    Observer: Jonny Sperling
    Location: Upper Otay Reservoir
  20. new world quail sp. Odontophoridae sp.
    # Count: 2
    Date:
    Observer: Matthew Keenan
    Location: Upper Otay Reservoir
  21. woodpecker sp. Picidae sp.
    # Count: 2
    Date:
    Observer: Jonny Sperling
    Location: Upper Otay Reservoir
  22. passerine sp. Passeriformes sp.
    # Count: 15
    Date:
    Observer: Jonny Sperling
    Location: Upper Otay Reservoir
  23. gnatcatcher sp. Polioptila sp.
    # Count: 1
    Date:
    Observer: Matthew Keenan
    Location: Upper Otay Reservoir
  24. wren sp. Troglodytidae sp.
    # Count: 1
    Date:
    Observer: Jonny Sperling
    Location: Upper Otay Reservoir
  25. gull sp. Larinae sp.
    # Count: 1
    Date:
    Observer: Paul Marvin
    Location: Upper Otay Reservoir
  26. Lazuli/Indigo Bunting Passerina amoena/cyanea
    # Count: 1
    Date:
    Observer: Paul Marvin
    Location: Upper Otay Reservoir
  27. teal sp. Anatidae sp. (teal sp.)
    # Count: 6
    Date:
    Observer: Jeremiah Stock
    Location: Upper Otay Reservoir
  28. large shorebird sp. Scolopacidae sp. (large shorebird sp.)
    # Count: 1
    Date:
    Observer: Aaron Polichar
    Location: Upper Otay Reservoir
  29. Greater/Lesser Scaup Aythya marila/affinis
    # Count: 101
    Date:
    Observer: Marc Arndt
    Location: Upper Otay Reservoir
  30. small falcon sp. Falco sp. (small falcon sp.)
    # Count: 1
    Date:
    Observer: Justyn Stahl
    Location: Upper Otay Reservoir
  31. swift sp. Apodidae sp.
    # Count: X
    Date:
    Observer: Sara Mayers
    Location: Upper Otay Reservoir
  32. yellow-bellied kingbird sp. Tyrannus sp. (yellow-bellied)
    # Count: 1
    Date:
    Observer: Marc Arndt
    Location: Upper Otay Reservoir
  33. Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceus
    # Count: 5
    Date:
    Observer: Richard Norgaard
    Location: Upper Otay Reservoir