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San Diego River mudflats & Robb Field

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Bird List

Updated ~7 seconds ago
274 All Years 182 This Year 2024 80 This Month Jun 2024
Last Observed First Observed High Count

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  1. Species Name
    Count
    Date
    Observer
    Location

Native and Naturalized (180)

  1. Killdeer Charadrius vociferus
    # Count: 1
    Date:
    Observer: Todd Easterla
    Location: San Diego River mudflats & Robb Field
  2. Whimbrel Numenius phaeopus
    # Count: 7
    Date:
    Observer: Todd Easterla
    Location: San Diego River mudflats & Robb Field
  3. Long-billed Curlew Numenius americanus
    # Count: 4
    Date:
    Observer: Todd Easterla
    Location: San Diego River mudflats & Robb Field
  4. Marbled Godwit Limosa fedoa
    # Count: 12
    Date:
    Observer: Todd Easterla
    Location: San Diego River mudflats & Robb Field
  5. Willet Tringa semipalmata
    # Count: 1
    Date:
    Observer: Todd Easterla
    Location: San Diego River mudflats & Robb Field
  6. Western Gull Larus occidentalis
    # Count: 52
    Date:
    Observer: Todd Easterla
    Location: San Diego River mudflats & Robb Field
  7. Black Skimmer Rynchops niger
    # Count: 1
    Date:
    Observer: Todd Easterla
    Location: San Diego River mudflats & Robb Field
  8. Least Tern Sternula antillarum
    # Count: 4
    Date:
    Observer: Todd Easterla
    Location: San Diego River mudflats & Robb Field
  9. Caspian Tern Hydroprogne caspia
    # Count: 6
    Date:
    Observer: Todd Easterla
    Location: San Diego River mudflats & Robb Field
  10. Forster's Tern Sterna forsteri
    # Count: 5
    Date:
    Observer: Todd Easterla
    Location: San Diego River mudflats & Robb Field
  11. Elegant Tern Thalasseus elegans
    # Count: 7
    Date:
    Observer: Todd Easterla
    Location: San Diego River mudflats & Robb Field
  12. Royal Tern Thalasseus maximus
    # Count: 22
    Date:
    Observer: Todd Easterla
    Location: San Diego River mudflats & Robb Field
  13. Double-crested Cormorant Nannopterum auritum
    # Count: 4
    Date:
    Observer: Todd Easterla
    Location: San Diego River mudflats & Robb Field
  14. Neotropic Cormorant Nannopterum brasilianum
    # Count: 1
    Date:
    Observer: Todd Easterla
    Location: San Diego River mudflats & Robb Field
  15. Brown Pelican Pelecanus occidentalis
    # Count: 4
    Date:
    Observer: Todd Easterla
    Location: San Diego River mudflats & Robb Field
  16. Little Blue Heron Egretta caerulea
    # Count: 1
    Date:
    Observer: Todd Easterla
    Location: San Diego River mudflats & Robb Field
  17. Reddish Egret Egretta rufescens
    # Count: 1
    Date:
    Observer: Todd Easterla
    Location: San Diego River mudflats & Robb Field
  18. Snowy Egret Egretta thula
    # Count: 2
    Date:
    Observer: Todd Easterla
    Location: San Diego River mudflats & Robb Field
  19. Great Egret Ardea alba
    # Count: 2
    Date:
    Observer: Todd Easterla
    Location: San Diego River mudflats & Robb Field
  20. Great Blue Heron Ardea herodias
    # Count: 8
    Date:
    Observer: Todd Easterla
    Location: San Diego River mudflats & Robb Field
  21. Osprey Pandion haliaetus
    # Count: 3
    Date:
    Observer: Todd Easterla
    Location: San Diego River mudflats & Robb Field
  22. Cassin's Kingbird Tyrannus vociferans
    # Count: 1
    Date:
    Observer: Todd Easterla
    Location: San Diego River mudflats & Robb Field
  23. American Crow Corvus brachyrhynchos
    # Count: 8
    Date:
    Observer: Todd Easterla
    Location: San Diego River mudflats & Robb Field
  24. Cliff Swallow Petrochelidon pyrrhonota
    # Count: 2
    Date:
    Observer: Todd Easterla
    Location: San Diego River mudflats & Robb Field
  25. Savannah Sparrow Passerculus sandwichensis
    # Count: 2
    Date:
    Observer: Todd Easterla
    Location: San Diego River mudflats & Robb Field
  26. Mallard Anas platyrhynchos
    # Count: 2
    Date:
    Observer: Dovid Kozlovsky
    Location: San Diego River mudflats & Robb Field
  27. Rock Pigeon Columba livia
    # Count: 8
    Date:
    Observer: Dovid Kozlovsky
    Location: San Diego River mudflats & Robb Field
  28. Mourning Dove Zenaida macroura
    # Count: 1
    Date:
    Observer: Dovid Kozlovsky
    Location: San Diego River mudflats & Robb Field
  29. Anna's Hummingbird Calypte anna
    # Count: 1
    Date:
    Observer: Dovid Kozlovsky
    Location: San Diego River mudflats & Robb Field
  30. Cooper's Hawk Accipiter cooperii
    # Count: 1
    Date:
    Observer: Dovid Kozlovsky
    Location: San Diego River mudflats & Robb Field
  31. Red-crowned Parrot Amazona viridigenalis
    # Count: 6
    Date:
    Observer: Dovid Kozlovsky
    Location: San Diego River mudflats & Robb Field
  32. Black Phoebe Sayornis nigricans
    # Count: 2
    Date:
    Observer: Dovid Kozlovsky
    Location: San Diego River mudflats & Robb Field
  33. Say's Phoebe Sayornis saya
    # Count: 1
    Date:
    Observer: Dovid Kozlovsky
    Location: San Diego River mudflats & Robb Field
  34. Horned Lark Eremophila alpestris
    # Count: 4
    Date:
    Observer: Dovid Kozlovsky
    Location: San Diego River mudflats & Robb Field
  35. Barn Swallow Hirundo rustica
    # Count: 3
    Date:
    Observer: Dovid Kozlovsky
    Location: San Diego River mudflats & Robb Field
  36. Bushtit Psaltriparus minimus
    # Count: 2
    Date:
    Observer: Dovid Kozlovsky
    Location: San Diego River mudflats & Robb Field
  37. European Starling Sturnus vulgaris
    # Count: 3
    Date:
    Observer: Dovid Kozlovsky
    Location: San Diego River mudflats & Robb Field
  38. House Finch Haemorhous mexicanus
    # Count: 12
    Date:
    Observer: Dovid Kozlovsky
    Location: San Diego River mudflats & Robb Field
  39. Song Sparrow Melospiza melodia
    # Count: 2
    Date:
    Observer: Dovid Kozlovsky
    Location: San Diego River mudflats & Robb Field
  40. Western Meadowlark Sturnella neglecta
    # Count: 1
    Date:
    Observer: Dovid Kozlovsky
    Location: San Diego River mudflats & Robb Field
  41. Black-crowned Night Heron Nycticorax nycticorax
    # Count: 1
    Date:
    Observer: Anonymous eBirder
    Location: San Diego River mudflats & Robb Field
  42. Red-shouldered Hawk Buteo lineatus
    # Count: 1
    Date:
    Observer: Anonymous eBirder
    Location: San Diego River mudflats & Robb Field
  43. House Sparrow Passer domesticus
    # Count: 2
    Date:
    Observer: Anonymous eBirder
    Location: San Diego River mudflats & Robb Field
  44. Hooded Oriole Icterus cucullatus
    # Count: 2
    Date:
    Observer: Anonymous eBirder
    Location: San Diego River mudflats & Robb Field
  45. Yellow-crowned Night Heron Nyctanassa violacea
    # Count: 1
    Date:
    Observer: Anonymous eBirder
    Location: San Diego River mudflats & Robb Field
  46. Nuttall's Woodpecker Dryobates nuttallii
    # Count: 1
    Date:
    Observer: Nick Thorpe
    Location: San Diego River mudflats & Robb Field
  47. Tree Swallow Tachycineta bicolor
    # Count: 5
    Date:
    Observer: Natalia Reixach
    Location: San Diego River mudflats & Robb Field
  48. Western Bluebird Sialia mexicana
    # Count: 2
    Date:
    Observer: Natalia Reixach
    Location: San Diego River mudflats & Robb Field
  49. Eurasian Collared-Dove Streptopelia decaocto
    # Count: 1
    Date:
    Observer: Nathan French
    Location: San Diego River mudflats & Robb Field
  50. White-throated Swift Aeronautes saxatalis
    # Count: 1
    Date:
    Observer: Max Leibowitz
    Location: San Diego River mudflats & Robb Field
  51. California Gull Larus californicus
    # Count: 1
    Date:
    Observer: Gjon Hazard
    Location: San Diego River mudflats & Robb Field
  52. Northern Rough-winged Swallow Stelgidopteryx serripennis
    # Count: 1
    Date:
    Observer: Gjon Hazard
    Location: San Diego River mudflats & Robb Field
  53. Wilson's Phalarope Phalaropus tricolor
    # Count: 1
    Date:
    Observer: Anonymous eBirder
    Location: San Diego River mudflats & Robb Field
  54. Greater Yellowlegs Tringa melanoleuca
    # Count: 1
    Date:
    Observer: Anonymous eBirder
    Location: San Diego River mudflats & Robb Field
  55. Peregrine Falcon Falco peregrinus
    # Count: 1
    Date:
    Observer: Lisa Ruby
    Location: San Diego River mudflats & Robb Field
  56. Common Yellowthroat Geothlypis trichas
    # Count: 1
    Date:
    Observer: Lisa Ruby
    Location: San Diego River mudflats & Robb Field
  57. Heermann's Gull Larus heermanni
    # Count: 1
    Date:
    Observer: Ezra Garfield
    Location: San Diego River mudflats & Robb Field
  58. Canada Goose Branta canadensis
    # Count: 2
    Date:
    Observer: Chris Overington
    Location: San Diego River mudflats & Robb Field
  59. Allen's Hummingbird Selasphorus sasin
    # Count: 2
    Date:
    Observer: Chris Overington
    Location: San Diego River mudflats & Robb Field
  60. Brandt's Cormorant Urile penicillatus
    # Count: 2
    Date:
    Observer: Ralph Perrine
    Location: San Diego River mudflats & Robb Field
  61. Gull-billed Tern Gelochelidon nilotica
    # Count: 2
    Date:
    Observer: Margaret Brown
    Location: San Diego River mudflats & Robb Field
  62. Turkey Vulture Cathartes aura
    # Count: 3
    Date:
    Observer: Marc Fenner
    Location: San Diego River mudflats & Robb Field
  63. Northern Mockingbird Mimus polyglottos
    # Count: 1
    Date:
    Observer: Marc Fenner
    Location: San Diego River mudflats & Robb Field
  64. Gadwall Mareca strepera
    # Count: 4
    Date:
    Observer: CK Staurovsky
    Location: San Diego River mudflats & Robb Field
  65. Lesser Goldfinch Spinus psaltria
    # Count: 4
    Date:
    Observer: CK Staurovsky
    Location: San Diego River mudflats & Robb Field
  66. California Towhee Melozone crissalis
    # Count: 2
    Date:
    Observer: CK Staurovsky
    Location: San Diego River mudflats & Robb Field
  67. Orange-crowned Warbler Leiothlypis celata
    # Count: 1
    Date:
    Observer: CK Staurovsky
    Location: San Diego River mudflats & Robb Field
  68. Common Raven Corvus corax
    # Count: 4
    Date:
    Observer: K B
    Location: San Diego River mudflats & Robb Field
  69. Ridgway's Rail Rallus obsoletus
    # Count: 1
    Date:
    Observer: John Bruin
    Location: San Diego River mudflats & Robb Field
  70. Brown-headed Cowbird Molothrus ater
    # Count: 1
    Date:
    Observer: John Bruin
    Location: San Diego River mudflats & Robb Field
  71. Brewer's Blackbird Euphagus cyanocephalus
    # Count: 4
    Date:
    Observer: mary ellen flynn
    Location: San Diego River mudflats & Robb Field
  72. Great-tailed Grackle Quiscalus mexicanus
    # Count: 8
    Date:
    Observer: mary ellen flynn
    Location: San Diego River mudflats & Robb Field
  73. Yellow Warbler Setophaga petechia
    # Count: 1
    Date:
    Observer: John Bruin
    Location: San Diego River mudflats & Robb Field
  74. Surf Scoter Melanitta perspicillata
    # Count: 1
    Date:
    Observer: Elena Klaver
    Location: San Diego River mudflats & Robb Field
  75. American Goldfinch Spinus tristis
    # Count: 3
    Date:
    Observer: Elena Klaver
    Location: San Diego River mudflats & Robb Field
  76. Bewick's Wren Thryomanes bewickii
    # Count: 3
    Date:
    Observer: Mike Wittmer
    Location: San Diego River mudflats & Robb Field
  77. Ash-throated Flycatcher Myiarchus cinerascens
    # Count: 1
    Date:
    Observer: Larry Edwards
    Location: San Diego River mudflats & Robb Field
  78. Northern Pintail Anas acuta
    # Count: 2
    Date:
    Observer: Colin Dillingham
    Location: San Diego River mudflats & Robb Field
  79. Western Kingbird Tyrannus verticalis
    # Count: 1
    Date:
    Observer: Dustin Bulten
    Location: San Diego River mudflats & Robb Field
  80. Short-billed Dowitcher Limnodromus griseus
    # Count: 2
    Date:
    Observer: Kerry White
    Location: San Diego River mudflats & Robb Field
  81. Black Oystercatcher Haematopus bachmani
    # Count: 2
    Date:
    Observer: Kristen Simonds
    Location: San Diego River mudflats & Robb Field
  82. Semipalmated Plover Charadrius semipalmatus
    # Count: 6
    Date:
    Observer: Anonymous eBirder
    Location: San Diego River mudflats & Robb Field
  83. Red-tailed Hawk Buteo jamaicensis
    # Count: 1
    Date:
    Observer: David Trissel
    Location: San Diego River mudflats & Robb Field
  84. Bufflehead Bucephala albeola
    # Count: 2
    Date:
    Observer: John Wilson
    Location: San Diego River mudflats & Robb Field
  85. Ring-billed Gull Larus delawarensis
    # Count: 1
    Date:
    Observer: John Wilson
    Location: San Diego River mudflats & Robb Field
  86. Western Flycatcher Empidonax difficilis
    # Count: 1
    Date:
    Observer: David Trissel
    Location: San Diego River mudflats & Robb Field
  87. Warbling Vireo Vireo gilvus
    # Count: 1
    Date:
    Observer: David Trissel
    Location: San Diego River mudflats & Robb Field
  88. Bullock's Oriole Icterus bullockii
    # Count: 2
    Date:
    Observer: Brandon Mukogawa
    Location: San Diego River mudflats & Robb Field
  89. Townsend's Warbler Setophaga townsendi
    # Count: 1
    Date:
    Observer: Joe Alsadi
    Location: San Diego River mudflats & Robb Field
  90. Western Tanager Piranga ludoviciana
    # Count: 5
    Date:
    Observer: Joe Alsadi
    Location: San Diego River mudflats & Robb Field
  91. Spotted Sandpiper Actitis macularius
    # Count: 2
    Date:
    Observer: Ben Stalheim
    Location: San Diego River mudflats & Robb Field
  92. Western Sandpiper Calidris mauri
    # Count: 8
    Date:
    Observer: Luca Cinus
    Location: San Diego River mudflats & Robb Field
  93. Wilson's Warbler Cardellina pusilla
    # Count: 1
    Date:
    Observer: John Bruin
    Location: San Diego River mudflats & Robb Field
  94. Glaucous-winged Gull Larus glaucescens
    # Count: 1
    Date:
    Observer: Justin Hartsell
    Location: San Diego River mudflats & Robb Field
  95. Red-masked Parakeet Psittacara erythrogenys
    # Count: 2
    Date:
    Observer: Justin Hartsell
    Location: San Diego River mudflats & Robb Field
  96. Hutton's Vireo Vireo huttoni
    # Count: 1
    Date:
    Observer: Justin Hartsell
    Location: San Diego River mudflats & Robb Field
  97. Black-bellied Plover Pluvialis squatarola
    # Count: X
    Date:
    Observer: Kieran Barlow
    Location: San Diego River mudflats & Robb Field
  98. Red-winged Blackbird Agelaius phoeniceus
    # Count: X
    Date:
    Observer: Kieran Barlow
    Location: San Diego River mudflats & Robb Field
  99. Red-throated Loon Gavia stellata
    # Count: 1
    Date:
    Observer: Kieran Barlow
    Location: San Diego River mudflats & Robb Field
  100. Bonaparte's Gull Chroicocephalus philadelphia
    # Count: 2
    Date:
    Observer: Millie and Peter Thomas
    Location: San Diego River mudflats & Robb Field
  101. American Wigeon Mareca americana
    # Count: 2
    Date:
    Observer: Steven C and Emily B
    Location: San Diego River mudflats & Robb Field
  102. Red-breasted Merganser Mergus serrator
    # Count: 1
    Date:
    Observer: Steven C and Emily B
    Location: San Diego River mudflats & Robb Field
  103. American Avocet Recurvirostra americana
    # Count: 1
    Date:
    Observer: Steven C and Emily B
    Location: San Diego River mudflats & Robb Field
  104. Least Sandpiper Calidris minutilla
    # Count: 3
    Date:
    Observer: Steven C and Emily B
    Location: San Diego River mudflats & Robb Field
  105. Dark-eyed Junco Junco hyemalis
    # Count: 2
    Date:
    Observer: Steven C and Emily B
    Location: San Diego River mudflats & Robb Field
  106. Lazuli Bunting Passerina amoena
    # Count: 1
    Date:
    Observer: Steven C and Emily B
    Location: San Diego River mudflats & Robb Field
  107. American White Pelican Pelecanus erythrorhynchos
    # Count: 8
    Date:
    Observer: Nathan French
    Location: San Diego River mudflats & Robb Field
  108. Eared Grebe Podiceps nigricollis
    # Count: 1
    Date:
    Observer: Anonymous eBirder
    Location: San Diego River mudflats & Robb Field
  109. Blue-winged Teal Spatula discors
    # Count: 2
    Date:
    Observer: Philip Kline
    Location: San Diego River mudflats & Robb Field
  110. Common Loon Gavia immer
    # Count: 1
    Date:
    Observer: Philip Kline
    Location: San Diego River mudflats & Robb Field
  111. American Pipit Anthus rubescens
    # Count: 2
    Date:
    Observer: Philip Kline
    Location: San Diego River mudflats & Robb Field
  112. Cinnamon Teal Spatula cyanoptera
    # Count: X
    Date:
    Observer: Balthazar Bond
    Location: San Diego River mudflats & Robb Field
  113. Ruddy Duck Oxyura jamaicensis
    # Count: X
    Date:
    Observer: Balthazar Bond
    Location: San Diego River mudflats & Robb Field
  114. American Coot Fulica americana
    # Count: X
    Date:
    Observer: Balthazar Bond
    Location: San Diego River mudflats & Robb Field
  115. Dunlin Calidris alpina
    # Count: 2
    Date:
    Observer: Jerry-Brenda Grenard
    Location: San Diego River mudflats & Robb Field
  116. Western Wood-Pewee Contopus sordidulus
    # Count: 1
    Date:
    Observer: Nick Thorpe
    Location: San Diego River mudflats & Robb Field
  117. Yellow-rumped Warbler Setophaga coronata
    # Count: 2
    Date:
    Observer: Paul Mulholland
    Location: San Diego River mudflats & Robb Field
  118. Green-winged Teal Anas crecca
    # Count: 2
    Date:
    Observer: Michelle Haglund
    Location: San Diego River mudflats & Robb Field
  119. Black-necked Stilt Himantopus mexicanus
    # Count: 1
    Date:
    Observer: Anonymous eBirder
    Location: San Diego River mudflats & Robb Field
  120. Black Turnstone Arenaria melanocephala
    # Count: 1
    Date:
    Observer: Anonymous eBirder
    Location: San Diego River mudflats & Robb Field
  121. Surfbird Calidris virgata
    # Count: 1
    Date:
    Observer: Anonymous eBirder
    Location: San Diego River mudflats & Robb Field
  122. House Wren Troglodytes aedon
    # Count: 1
    Date:
    Observer: Anonymous eBirder
    Location: San Diego River mudflats & Robb Field
  123. Lesser Scaup Aythya affinis
    # Count: 2
    Date:
    Observer: Nicole Koeltzow
    Location: San Diego River mudflats & Robb Field
  124. Long-billed Dowitcher Limnodromus scolopaceus
    # Count: 8
    Date:
    Observer: Nicole Koeltzow
    Location: San Diego River mudflats & Robb Field
  125. Nashville Warbler Leiothlypis ruficapilla
    # Count: 1
    Date:
    Observer: Joe Alsadi
    Location: San Diego River mudflats & Robb Field
  126. Black-throated Gray Warbler Setophaga nigrescens
    # Count: 1
    Date:
    Observer: Joe Alsadi
    Location: San Diego River mudflats & Robb Field
  127. Northern Shoveler Spatula clypeata
    # Count: 2
    Date:
    Observer: John Dumlao
    Location: San Diego River mudflats & Robb Field
  128. Common Goldeneye Bucephala clangula
    # Count: 1
    Date:
    Observer: John Dumlao
    Location: San Diego River mudflats & Robb Field
  129. White-faced Ibis Plegadis chihi
    # Count: 5
    Date:
    Observer: Mary Maycock
    Location: San Diego River mudflats & Robb Field
  130. Pied-billed Grebe Podilymbus podiceps
    # Count: 1
    Date:
    Observer: Aaron Beerman
    Location: San Diego River mudflats & Robb Field
  131. White-crowned Sparrow Zonotrichia leucophrys
    # Count: 1
    Date:
    Observer: Aaron Beerman
    Location: San Diego River mudflats & Robb Field
  132. Northern Harrier Circus hudsonius
    # Count: 1
    Date:
    Observer: Brad Davis
    Location: San Diego River mudflats & Robb Field
  133. American Kestrel Falco sparverius
    # Count: 1
    Date:
    Observer: Brad Davis
    Location: San Diego River mudflats & Robb Field
  134. Merlin Falco columbarius
    # Count: 1
    Date:
    Observer: Brad Davis
    Location: San Diego River mudflats & Robb Field
  135. Western Grebe Aechmophorus occidentalis
    # Count: 3
    Date:
    Observer: James Leone
    Location: San Diego River mudflats & Robb Field
  136. Brant Branta bernicla
    # Count: 5
    Date:
    Observer: Judith Sparhawk
    Location: San Diego River mudflats & Robb Field
  137. Clark's Grebe Aechmophorus clarkii
    # Count: 2
    Date:
    Observer: Mandy Mathews
    Location: San Diego River mudflats & Robb Field
  138. Red Knot Calidris canutus
    # Count: 3
    Date:
    Observer: Kailana Burden
    Location: San Diego River mudflats & Robb Field
  139. Ruddy Turnstone Arenaria interpres
    # Count: 1
    Date:
    Observer: Isa Dav
    Location: San Diego River mudflats & Robb Field
  140. Herring Gull Larus argentatus
    # Count: 1
    Date:
    Observer: Elizabeth Medes
    Location: San Diego River mudflats & Robb Field
  141. Ring-necked Duck Aythya collaris
    # Count: 2
    Date:
    Observer: Mike Wittmer
    Location: San Diego River mudflats & Robb Field
  142. Belted Kingfisher Megaceryle alcyon
    # Count: 1
    Date:
    Observer: Catherine Zinsky
    Location: San Diego River mudflats & Robb Field
  143. Sora Porzana carolina
    # Count: 1
    Date:
    Observer: Nathan French
    Location: San Diego River mudflats & Robb Field
  144. Sanderling Calidris alba
    # Count: 2
    Date:
    Observer: Kyle Rambo
    Location: San Diego River mudflats & Robb Field
  145. Horned Grebe Podiceps auritus
    # Count: 2
    Date:
    Observer: Kevin Puvalowski
    Location: San Diego River mudflats & Robb Field
  146. Brown Booby Sula leucogaster
    # Count: 2
    Date:
    Observer: Kevin Puvalowski
    Location: San Diego River mudflats & Robb Field
  147. Lincoln's Sparrow Melospiza lincolnii
    # Count: 1
    Date:
    Observer: Kevin Puvalowski
    Location: San Diego River mudflats & Robb Field
  148. Lilac-crowned Parrot Amazona finschi
    # Count: 2
    Date:
    Observer: Ryan Phillips
    Location: San Diego River mudflats & Robb Field
  149. Eurasian Wigeon Mareca penelope
    # Count: 1
    Date:
    Observer: kent bates
    Location: San Diego River mudflats & Robb Field
  150. Ruby-crowned Kinglet Corthylio calendula
    # Count: 1
    Date:
    Observer: Bryan Sharp
    Location: San Diego River mudflats & Robb Field
  151. Common Tern Sterna hirundo
    # Count: 1
    Date:
    Observer: Nathan French
    Location: San Diego River mudflats & Robb Field
  152. Tropical Kingbird Tyrannus melancholicus
    # Count: 1
    Date:
    Observer: Matthew B
    Location: San Diego River mudflats & Robb Field
  153. Short-billed Gull Larus brachyrhynchus
    # Count: 1
    Date:
    Observer: James Leone
    Location: San Diego River mudflats & Robb Field
  154. Redhead Aythya americana
    # Count: 2
    Date:
    Observer: Kelcy Coleman
    Location: San Diego River mudflats & Robb Field
  155. Costa's Hummingbird Calypte costae
    # Count: 1
    Date:
    Observer: Chad Brack
    Location: San Diego River mudflats & Robb Field
  156. White-tailed Kite Elanus leucurus
    # Count: 1
    Date:
    Observer: Chris Overington
    Location: San Diego River mudflats & Robb Field
  157. Red-breasted Nuthatch Sitta canadensis
    # Count: 1
    Date:
    Observer: Chris Overington
    Location: San Diego River mudflats & Robb Field
  158. American Robin Turdus migratorius
    # Count: 1
    Date:
    Observer: Chris Overington
    Location: San Diego River mudflats & Robb Field
  159. Scaly-breasted Munia Lonchura punctulata
    # Count: 1
    Date:
    Observer: Chris Overington
    Location: San Diego River mudflats & Robb Field
  160. Cedar Waxwing Bombycilla cedrorum
    # Count: 2
    Date:
    Observer: Nick Anich
    Location: San Diego River mudflats & Robb Field
  161. Iceland Gull Larus glaucoides
    # Count: 1
    Date:
    Observer: Nick Thorpe
    Location: San Diego River mudflats & Robb Field
  162. Pacific Loon Gavia pacifica
    # Count: 3
    Date:
    Observer: Jeffrey Miner
    Location: San Diego River mudflats & Robb Field
  163. Vermilion Flycatcher Pyrocephalus rubinus
    # Count: 1
    Date:
    Observer: Sean Fitzgerald
    Location: San Diego River mudflats & Robb Field
  164. Violet-green Swallow Tachycineta thalassina
    # Count: 1
    Date:
    Observer: Frank Fogarty
    Location: San Diego River mudflats & Robb Field
  165. Pelagic Cormorant Urile pelagicus
    # Count: 1
    Date:
    Observer: Erik Ostrander
    Location: San Diego River mudflats & Robb Field
  166. Snow Goose Anser caerulescens
    # Count: 1
    Date:
    Observer: Luke Passey
    Location: San Diego River mudflats & Robb Field
  167. Golden-crowned Sparrow Zonotrichia atricapilla
    # Count: 1
    Date:
    Observer: bryan newman
    Location: San Diego River mudflats & Robb Field
  168. Green Heron Butorides virescens
    # Count: 1
    Date:
    Observer: Gavin Awerbuch
    Location: San Diego River mudflats & Robb Field
  169. Wilson's Snipe Gallinago delicata
    # Count: 1
    Date:
    Observer: Bela Anand-Apte
    Location: San Diego River mudflats & Robb Field
  170. Burrowing Owl Athene cunicularia
    # Count: 1
    Date:
    Observer: Craig Watson
    Location: San Diego River mudflats & Robb Field
  171. Snowy Plover Anarhynchus nivosus
    # Count: 1
    Date:
    Observer: Jim Pawlicki
    Location: San Diego River mudflats & Robb Field
  172. Black-legged Kittiwake Rissa tridactyla
    # Count: 1
    Date:
    Observer: bj worth
    Location: San Diego River mudflats & Robb Field
  173. Marsh Wren Cistothorus palustris
    # Count: 2
    Date:
    Observer: Cathy Theisen
    Location: San Diego River mudflats & Robb Field
  174. Laughing Gull Leucophaeus atricilla
    # Count: 1
    Date:
    Observer: Joel Milton
    Location: San Diego River mudflats & Robb Field
  175. California Scrub-Jay Aphelocoma californica
    # Count: 2
    Date:
    Observer: Joni Ciarletta
    Location: San Diego River mudflats & Robb Field
  176. Sharp-shinned Hawk Accipiter striatus
    # Count: 1
    Date:
    Observer: Viktor Keres
    Location: San Diego River mudflats & Robb Field
  177. Spotted Towhee Pipilo maculatus
    # Count: 1
    Date:
    Observer: Viktor Keres
    Location: San Diego River mudflats & Robb Field
  178. Pine Siskin Spinus pinus
    # Count: 4
    Date:
    Observer: Octavio J
    Location: San Diego River mudflats & Robb Field
  179. Red Phalarope Phalaropus fulicarius
    # Count: 2
    Date:
    Observer: Stephanie Levins
    Location: San Diego River mudflats & Robb Field
  180. Hermit Thrush Catharus guttatus
    # Count: 1
    Date:
    Observer: Arnold Young
    Location: San Diego River mudflats & Robb Field

Exotic: Provisional (2)

  1. Swinhoe's White-eye Zosterops simplex
    # Count: 1
    Date:
    Observer: Nathan French
    Location: San Diego River mudflats & Robb Field
  2. Blue-crowned Parakeet Thectocercus acuticaudatus
    # Count: 7
    Date:
    Observer: Jim Pawlicki
    Location: San Diego River mudflats & Robb Field

Exotic: Escapee (1)

  1. Black Swan Cygnus atratus
    # Count: 1
    Date:
    Observer: Peter Beck
    Location: San Diego River mudflats & Robb Field

Hybrids (4)

  1. American x Black Oystercatcher (hybrid) Haematopus palliatus x bachmani
    # Count: 2
    Date:
    Observer: Anonymous eBirder
    Location: San Diego River mudflats & Robb Field
  2. Western x Glaucous-winged Gull (hybrid) Larus occidentalis x glaucescens
    # Count: 1
    Date:
    Observer: Ryan Phillips
    Location: San Diego River mudflats & Robb Field
  3. Herring x Glaucous-winged Gull (hybrid) Larus argentatus x glaucescens
    # Count: 1
    Date:
    Observer: John Bruin
    Location: San Diego River mudflats & Robb Field
  4. Eurasian x American Wigeon (hybrid) Mareca penelope x americana
    # Count: 1
    Date:
    Observer: Justyn Stahl
    Location: San Diego River mudflats & Robb Field

Additional Taxa (37)

  1. cormorant sp. Phalacrocoracidae sp.
    # Count: 1
    Date:
    Observer: Anonymous eBirder
    Location: San Diego River mudflats & Robb Field
  2. duck sp. Anatidae (duck sp.)
    # Count: 6
    Date:
    Observer: Nick Thorpe
    Location: San Diego River mudflats & Robb Field
  3. tern sp. Sterninae sp.
    # Count: 15
    Date:
    Observer: Nick Thorpe
    Location: San Diego River mudflats & Robb Field
  4. Elegant/Royal Tern Thalasseus elegans/maximus
    # Count: 20
    Date:
    Observer: Natalia Reixach
    Location: San Diego River mudflats & Robb Field
  5. hummingbird sp. Trochilidae sp.
    # Count: 3
    Date:
    Observer: CK Staurovsky
    Location: San Diego River mudflats & Robb Field
  6. Larus sp. Larus sp.
    # Count: 15
    Date:
    Observer: CK Staurovsky
    Location: San Diego River mudflats & Robb Field
  7. swallow sp. Hirundinidae sp.
    # Count: 10
    Date:
    Observer: CK Staurovsky
    Location: San Diego River mudflats & Robb Field
  8. large tern sp. Hydroprogne/Thalasseus sp.
    # Count: 5
    Date:
    Observer: mary ellen flynn
    Location: San Diego River mudflats & Robb Field
  9. gull sp. Larinae sp.
    # Count: 1
    Date:
    Observer: Marina Guerrero Molina
    Location: San Diego River mudflats & Robb Field
  10. white egret sp. Egretta/Bubulcus/Ardea sp.
    # Count: 2
    Date:
    Observer: Marina Guerrero Molina
    Location: San Diego River mudflats & Robb Field
  11. Rufous/Allen's Hummingbird Selasphorus rufus/sasin
    # Count: 1
    Date:
    Observer: Anonymous eBirder
    Location: San Diego River mudflats & Robb Field
  12. parrot sp. Psittaciformes sp. (parrot sp.)
    # Count: 2
    Date:
    Observer: Anonymous eBirder
    Location: San Diego River mudflats & Robb Field
  13. Domestic goose sp. (Domestic type) Anser sp. (Domestic type)
    # Count: 1
    Date:
    Observer: Brandon Mukogawa
    Location: San Diego River mudflats & Robb Field
  14. new world warbler sp. Parulidae sp.
    # Count: 1
    Date:
    Observer: Luca Cinus
    Location: San Diego River mudflats & Robb Field
  15. Amazona sp. Amazona sp.
    # Count: 1
    Date:
    Observer: John Bruin
    Location: San Diego River mudflats & Robb Field
  16. shorebird sp. Charadriiformes sp.
    # Count: 1
    Date:
    Observer: Richard Breisch
    Location: San Diego River mudflats & Robb Field
  17. Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceus
    # Count: 1
    Date:
    Observer: Nathan French
    Location: San Diego River mudflats & Robb Field
  18. Greater/Lesser Scaup Aythya marila/affinis
    # Count: 2
    Date:
    Observer: Michelle Haglund
    Location: San Diego River mudflats & Robb Field
  19. pigeon/dove sp. Columbidae sp.
    # Count: 1
    Date:
    Observer: Joel Holtrop
    Location: San Diego River mudflats & Robb Field
  20. Lesser/Greater Yellowlegs Tringa flavipes/melanoleuca
    # Count: 1
    Date:
    Observer: Joel Holtrop
    Location: San Diego River mudflats & Robb Field
  21. Horned/Eared Grebe Podiceps auritus/nigricollis
    # Count: 1
    Date:
    Observer: Brad Davis
    Location: San Diego River mudflats & Robb Field
  22. peep sp. Calidris sp. (peep sp.)
    # Count: 40
    Date:
    Observer: Brad Davis
    Location: San Diego River mudflats & Robb Field
  23. yellow-bellied kingbird sp. Tyrannus sp. (yellow-bellied)
    # Count: 1
    Date:
    Observer: Ari Ruiz
    Location: San Diego River mudflats & Robb Field
  24. Western/Clark's Grebe Aechmophorus occidentalis/clarkii
    # Count: 2
    Date:
    Observer: Lauren Glevanik
    Location: San Diego River mudflats & Robb Field
  25. new world sparrow sp. Passerellidae sp.
    # Count: 1
    Date:
    Observer: L Caffroy
    Location: San Diego River mudflats & Robb Field
  26. parakeet sp. Psittaciformes sp. (parakeet sp.)
    # Count: 2
    Date:
    Observer: Tito Gonzalez
    Location: San Diego River mudflats & Robb Field
  27. teal sp. Anatidae sp. (teal sp.)
    # Count: 1
    Date:
    Observer: Nick Thorpe
    Location: San Diego River mudflats & Robb Field
  28. falcon sp. Falco sp.
    # Count: 1
    Date:
    Observer: D. Michael Ray
    Location: San Diego River mudflats & Robb Field
  29. blackbird sp. Icteridae sp.
    # Count: 1
    Date:
    Observer: Al Cadesky
    Location: San Diego River mudflats & Robb Field
  30. small plover sp. Charadrius/Anarhynchus sp.
    # Count: X
    Date:
    Observer: Kyra R.
    Location: San Diego River mudflats & Robb Field
  31. passerine sp. Passeriformes sp.
    # Count: 2
    Date:
    Observer: Bridget Spencer
    Location: San Diego River mudflats & Robb Field
  32. Sharp-shinned/Cooper's Hawk Accipiter striatus/cooperii
    # Count: 1
    Date:
    Observer: William Farnsworth
    Location: San Diego River mudflats & Robb Field
  33. Calidris sp. Calidris sp.
    # Count: 150
    Date:
    Observer: Richard Breisch
    Location: San Diego River mudflats & Robb Field
  34. crow/raven sp. Corvus sp.
    # Count: 2
    Date:
    Observer: Beverly Reynolds
    Location: San Diego River mudflats & Robb Field
  35. loon sp. Gavia sp.
    # Count: 1
    Date:
    Observer: Justyn Stahl
    Location: San Diego River mudflats & Robb Field
  36. rail/crake sp. Rallidae sp. (rail/crake sp.)
    # Count: 1
    Date:
    Observer: Ralph Achenbach
    Location: San Diego River mudflats & Robb Field
  37. Blue-winged/Cinnamon Teal Spatula discors/cyanoptera
    # Count: 3
    Date:
    Observer: Anonymous eBirder
    Location: San Diego River mudflats & Robb Field