Menu

Change Region

Change Region

Tijuana River mouth & beach

Directions Map

Explore...

Bird List

Updated ~10 seconds ago
230 All Years 136 This Year 2024 54 This Month Jun 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 (229)

  1. Belcher's Gull Larus belcheri
    # Count: 1
    Date:
    Observer: San Diego Historical Records
    Location: Tijuana River mouth & beach
  2. Phainopepla Phainopepla nitens
    # Count: X
    Date:
    Observer: Norm Lewis
    Location: Tijuana River mouth & beach
  3. Western Tanager Piranga ludoviciana
    # Count: X
    Date:
    Observer: Carole Hughes
    Location: Tijuana River mouth & beach
  4. Yellow-footed Gull Larus livens
    # Count: 1
    Date:
    Observer: San Diego Historical Records
    Location: Tijuana River mouth & beach
  5. Buff-breasted Sandpiper Calidris subruficollis
    # Count: 1
    Date:
    Observer: BJ Stacey
    Location: Tijuana River mouth & beach
  6. Lapland Longspur Calcarius lapponicus
    # Count: 1
    Date:
    Observer: Ross Christie
    Location: Tijuana River mouth & beach
  7. Ross's Goose Anser rossii
    # Count: 1
    Date:
    Observer: Matt Sadowski
    Location: Tijuana River mouth & beach
  8. Blue Grosbeak Passerina caerulea
    # Count: 1
    Date:
    Observer: Keith Ressler
    Location: Tijuana River mouth & beach
  9. Ash-throated Flycatcher Myiarchus cinerascens
    # Count: 1
    Date:
    Observer: Bob Schallmann
    Location: Tijuana River mouth & beach
  10. Sooty Tern Onychoprion fuscatus
    # Count: 1
    Date:
    Observer: Matt Sadowski
    Location: Tijuana River mouth & beach
  11. Arctic Tern Sterna paradisaea
    # Count: 1
    Date:
    Observer: Jim Pawlicki
    Location: Tijuana River mouth & beach
  12. Downy Woodpecker Dryobates pubescens
    # Count: X
    Date:
    Observer: Danny Sedivec
    Location: Tijuana River mouth & beach
  13. Hermit Thrush Catharus guttatus
    # Count: 1
    Date:
    Observer: CK Staurovsky
    Location: Tijuana River mouth & beach
  14. Lawrence's Goldfinch Spinus lawrencei
    # Count: 2
    Date:
    Observer: CK Staurovsky
    Location: Tijuana River mouth & beach
  15. Palm Warbler Setophaga palmarum
    # Count: 1
    Date:
    Observer: Justyn Stahl
    Location: Tijuana River mouth & beach
  16. Wilson's Plover Anarhynchus wilsonia
    # Count: 1
    Date:
    Observer: Paul Marvin
    Location: Tijuana River mouth & beach
  17. Long-tailed Duck Clangula hyemalis
    # Count: 1
    Date:
    Observer: Matt Sadowski
    Location: Tijuana River mouth & beach
  18. Cedar Waxwing Bombycilla cedrorum
    # Count: 1
    Date:
    Observer: Chris Wood
    Location: Tijuana River mouth & beach
  19. Black-chinned Hummingbird Archilochus alexandri
    # Count: X
    Date:
    Observer: John Smallwood
    Location: Tijuana River mouth & beach
  20. Vaux's Swift Chaetura vauxi
    # Count: 2
    Date:
    Observer: Ana Pazos
    Location: Tijuana River mouth & beach
  21. Prairie Falcon Falco mexicanus
    # Count: 1
    Date:
    Observer: Nathan French
    Location: Tijuana River mouth & beach
  22. Ancient Murrelet Synthliboramphus antiquus
    # Count: 1
    Date:
    Observer: logan kahle
    Location: Tijuana River mouth & beach
  23. Common Murre Uria aalge
    # Count: 1
    Date:
    Observer: Ken Poerner
    Location: Tijuana River mouth & beach
  24. Costa's Hummingbird Calypte costae
    # Count: 1
    Date:
    Observer: Billy Squid
    Location: Tijuana River mouth & beach
  25. Red-crowned Parrot Amazona viridigenalis
    # Count: X
    Date:
    Observer: Colin Smith
    Location: Tijuana River mouth & beach
  26. Blue-gray Gnatcatcher Polioptila caerulea
    # Count: 2
    Date:
    Observer: Kevin Cornell
    Location: Tijuana River mouth & beach
  27. Rock Wren Salpinctes obsoletus
    # Count: 1
    Date:
    Observer: Greg Gillson
    Location: Tijuana River mouth & beach
  28. Northern Flicker Colaptes auratus
    # Count: X
    Date:
    Observer: Jodi Chambers
    Location: Tijuana River mouth & beach
  29. Hermit Warbler Setophaga occidentalis
    # Count: 1
    Date:
    Observer: Jill Sundlof
    Location: Tijuana River mouth & beach
  30. American Robin Turdus migratorius
    # Count: 1
    Date:
    Observer: Rob Fowler
    Location: Tijuana River mouth & beach
  31. Hooded Merganser Lophodytes cucullatus
    # Count: 1
    Date:
    Observer: Adam West
    Location: Tijuana River mouth & beach
  32. American Bittern Botaurus lentiginosus
    # Count: 1
    Date:
    Observer: Albert Linkowski
    Location: Tijuana River mouth & beach
  33. Yellow Warbler Setophaga petechia
    # Count: 1
    Date:
    Observer: Albert Linkowski
    Location: Tijuana River mouth & beach
  34. Nuttall's Woodpecker Dryobates nuttallii
    # Count: 1
    Date:
    Observer: Alec Humann
    Location: Tijuana River mouth & beach
  35. Nashville Warbler Leiothlypis ruficapilla
    # Count: X
    Date:
    Observer: Larry Siemens
    Location: Tijuana River mouth & beach
  36. Ruby-crowned Kinglet Corthylio calendula
    # Count: 1
    Date:
    Observer: carly rush
    Location: Tijuana River mouth & beach
  37. Iceland Gull Larus glaucoides
    # Count: 1
    Date:
    Observer: Nancy Christensen
    Location: Tijuana River mouth & beach
  38. Mountain Plover Anarhynchus montanus
    # Count: 1
    Date:
    Observer: Dan Jehl
    Location: Tijuana River mouth & beach
  39. Glaucous Gull Larus hyperboreus
    # Count: 1
    Date:
    Observer: Isoo O'Brien
    Location: Tijuana River mouth & beach
  40. Pectoral Sandpiper Calidris melanotos
    # Count: 1
    Date:
    Observer: Gjon Hazard
    Location: Tijuana River mouth & beach
  41. Barn Owl Tyto alba
    # Count: 1
    Date:
    Observer: Aaron Gyllenhaal
    Location: Tijuana River mouth & beach
  42. White-winged Scoter Melanitta deglandi
    # Count: 1
    Date:
    Observer: Andrew Newmark
    Location: Tijuana River mouth & beach
  43. Lincoln's Sparrow Melospiza lincolnii
    # Count: 1
    Date:
    Observer: Matt Sadowski
    Location: Tijuana River mouth & beach
  44. House Wren Troglodytes aedon
    # Count: 1
    Date:
    Observer: Yibo Guo
    Location: Tijuana River mouth & beach
  45. Short-eared Owl Asio flammeus
    # Count: 1
    Date:
    Observer: Dan Hayes
    Location: Tijuana River mouth & beach
  46. Hooded Oriole Icterus cucullatus
    # Count: 1
    Date:
    Observer: Trysten Loefke
    Location: Tijuana River mouth & beach
  47. Tricolored Heron Egretta tricolor
    # Count: 1
    Date:
    Observer: Ted Keyel
    Location: Tijuana River mouth & beach
  48. Bushtit Psaltriparus minimus
    # Count: 5
    Date:
    Observer: Carol Hippenmeyer
    Location: Tijuana River mouth & beach
  49. Burrowing Owl Athene cunicularia
    # Count: 1
    Date:
    Observer: Tyler Ficker
    Location: Tijuana River mouth & beach
  50. California Scrub-Jay Aphelocoma californica
    # Count: 2
    Date:
    Observer: Alex Eisengart
    Location: Tijuana River mouth & beach
  51. Rufous Hummingbird Selasphorus rufus
    # Count: 1
    Date:
    Observer: Anonymous eBirder
    Location: Tijuana River mouth & beach
  52. Orange-crowned Warbler Leiothlypis celata
    # Count: 1
    Date:
    Observer: Kyle Fischer
    Location: Tijuana River mouth & beach
  53. Western Wood-Pewee Contopus sordidulus
    # Count: 1
    Date:
    Observer: Matt Sadowski
    Location: Tijuana River mouth & beach
  54. Northern Fulmar Fulmarus glacialis
    # Count: 1
    Date:
    Observer: Matt Sadowski
    Location: Tijuana River mouth & beach
  55. Loggerhead Shrike Lanius ludovicianus
    # Count: 1
    Date:
    Observer: Trysten Loefke
    Location: Tijuana River mouth & beach
  56. Black Storm-Petrel Hydrobates melania
    # Count: 1
    Date:
    Observer: Kat Byrd
    Location: Tijuana River mouth & beach
  57. Black Tern Chlidonias niger
    # Count: 1
    Date:
    Observer: bonnie henson
    Location: Tijuana River mouth & beach
  58. Least Storm-Petrel Hydrobates microsoma
    # Count: 2
    Date:
    Observer: Rowan Young-McMurchie
    Location: Tijuana River mouth & beach
  59. Baird's Sandpiper Calidris bairdii
    # Count: 1
    Date:
    Observer: Anonymous eBirder
    Location: Tijuana River mouth & beach
  60. Bank Swallow Riparia riparia
    # Count: 1
    Date:
    Observer: Bridget Spencer
    Location: Tijuana River mouth & beach
  61. Sharp-shinned Hawk Accipiter striatus
    # Count: 1
    Date:
    Observer: Kyle Fischer
    Location: Tijuana River mouth & beach
  62. Wilson's Snipe Gallinago delicata
    # Count: 1
    Date:
    Observer: Kadynn Hatfield
    Location: Tijuana River mouth & beach
  63. Blue-footed Booby Sula nebouxii
    # Count: 1
    Date:
    Observer: Yibo Guo
    Location: Tijuana River mouth & beach
  64. Snow Goose Anser caerulescens
    # Count: 5
    Date:
    Observer: Olivia Lee
    Location: Tijuana River mouth & beach
  65. Sora Porzana carolina
    # Count: X
    Date:
    Observer: Anonymous eBirder
    Location: Tijuana River mouth & beach
  66. Common Gallinule Gallinula galeata
    # Count: X
    Date:
    Observer: Anonymous eBirder
    Location: Tijuana River mouth & beach
  67. Western Flycatcher Empidonax difficilis
    # Count: 1
    Date:
    Observer: Anonymous eBirder
    Location: Tijuana River mouth & beach
  68. Warbling Vireo Vireo gilvus
    # Count: X
    Date:
    Observer: Anonymous eBirder
    Location: Tijuana River mouth & beach
  69. Brewer's Blackbird Euphagus cyanocephalus
    # Count: X
    Date:
    Observer: Anonymous eBirder
    Location: Tijuana River mouth & beach
  70. Townsend's Warbler Setophaga townsendi
    # Count: 1
    Date:
    Observer: Anonymous eBirder
    Location: Tijuana River mouth & beach
  71. Purple Martin Progne subis
    # Count: 2
    Date:
    Observer: Steven Lima
    Location: Tijuana River mouth & beach
  72. Greater White-fronted Goose Anser albifrons
    # Count: 3
    Date:
    Observer: Nathan Goldberg
    Location: Tijuana River mouth & beach
  73. Pink-footed Shearwater Ardenna creatopus
    # Count: 1
    Date:
    Observer: David Gersten
    Location: Tijuana River mouth & beach
  74. Swainson's Thrush Catharus ustulatus
    # Count: 1
    Date:
    Observer: Trysten Loefke
    Location: Tijuana River mouth & beach
  75. Wilson's Warbler Cardellina pusilla
    # Count: 1
    Date:
    Observer: Trysten Loefke
    Location: Tijuana River mouth & beach
  76. White-throated Swift Aeronautes saxatalis
    # Count: 2
    Date:
    Observer: Justin Hartsell
    Location: Tijuana River mouth & beach
  77. Northern Mockingbird Mimus polyglottos
    # Count: 2
    Date:
    Observer: Matt Sadowski
    Location: Tijuana River mouth & beach
  78. Magnificent Frigatebird Fregata magnificens
    # Count: 1
    Date:
    Observer: Jim Pawlicki
    Location: Tijuana River mouth & beach
  79. Western Bluebird Sialia mexicana
    # Count: 1
    Date:
    Observer: Matt Sadowski
    Location: Tijuana River mouth & beach
  80. Wilson's Phalarope Phalaropus tricolor
    # Count: 4
    Date:
    Observer: Steven Lima
    Location: Tijuana River mouth & beach
  81. Surfbird Calidris virgata
    # Count: 1
    Date:
    Observer: Jenna A
    Location: Tijuana River mouth & beach
  82. Brown-headed Cowbird Molothrus ater
    # Count: 3
    Date:
    Observer: Matt Sadowski
    Location: Tijuana River mouth & beach
  83. Common Tern Sterna hirundo
    # Count: 1
    Date:
    Observer: Matt Sadowski
    Location: Tijuana River mouth & beach
  84. Lesser Yellowlegs Tringa flavipes
    # Count: 6
    Date:
    Observer: Matt Sadowski
    Location: Tijuana River mouth & beach
  85. Red-necked Phalarope Phalaropus lobatus
    # Count: 1
    Date:
    Observer: Bob Packard
    Location: Tijuana River mouth & beach
  86. Black-vented Shearwater Puffinus opisthomelas
    # Count: 1
    Date:
    Observer: Dan Hayes
    Location: Tijuana River mouth & beach
  87. Black Turnstone Arenaria melanocephala
    # Count: 1
    Date:
    Observer: Andrea C
    Location: Tijuana River mouth & beach
  88. Cassin's Kingbird Tyrannus vociferans
    # Count: 2
    Date:
    Observer: Andrea C
    Location: Tijuana River mouth & beach
  89. Reddish Egret Egretta rufescens
    # Count: 1
    Date:
    Observer: Rod Barbo
    Location: Tijuana River mouth & beach
  90. Black Scoter Melanitta americana
    # Count: 1
    Date:
    Observer: Shawn Miller
    Location: Tijuana River mouth & beach
  91. Red-shouldered Hawk Buteo lineatus
    # Count: 1
    Date:
    Observer: Dan Hayes
    Location: Tijuana River mouth & beach
  92. Brant Branta bernicla
    # Count: 2
    Date:
    Observer: Rowan Gibson
    Location: Tijuana River mouth & beach
  93. Greater Scaup Aythya marila
    # Count: 1
    Date:
    Observer: Grigory Heaton
    Location: Tijuana River mouth & beach
  94. White-tailed Kite Elanus leucurus
    # Count: 2
    Date:
    Observer: Grigory Heaton
    Location: Tijuana River mouth & beach
  95. Bewick's Wren Thryomanes bewickii
    # Count: 1
    Date:
    Observer: Marjorie Powell
    Location: Tijuana River mouth & beach
  96. Lesser Black-backed Gull Larus fuscus
    # Count: 2
    Date:
    Observer: Grigory Heaton
    Location: Tijuana River mouth & beach
  97. Red Phalarope Phalaropus fulicarius
    # Count: 1
    Date:
    Observer: Dan Hayes
    Location: Tijuana River mouth & beach
  98. Ruddy Turnstone Arenaria interpres
    # Count: 1
    Date:
    Observer: Dan Hayes
    Location: Tijuana River mouth & beach
  99. Redhead Aythya americana
    # Count: 1
    Date:
    Observer: Ched Whitney
    Location: Tijuana River mouth & beach
  100. Common Goldeneye Bucephala clangula
    # Count: 1
    Date:
    Observer: Ched Whitney
    Location: Tijuana River mouth & beach
  101. Spotted Sandpiper Actitis macularius
    # Count: 3
    Date:
    Observer: Ched Whitney
    Location: Tijuana River mouth & beach
  102. Green Heron Butorides virescens
    # Count: 1
    Date:
    Observer: Ched Whitney
    Location: Tijuana River mouth & beach
  103. Lesser Goldfinch Spinus psaltria
    # Count: 1
    Date:
    Observer: Ched Whitney
    Location: Tijuana River mouth & beach
  104. Canvasback Aythya valisineria
    # Count: 1
    Date:
    Observer: tyler krul
    Location: Tijuana River mouth & beach
  105. White-crowned Sparrow Zonotrichia leucophrys
    # Count: 2
    Date:
    Observer: Ched Whitney
    Location: Tijuana River mouth & beach
  106. Crested Caracara Caracara plancus
    # Count: 1
    Date:
    Observer: Adam Walleyn
    Location: Tijuana River mouth & beach
  107. Horned Grebe Podiceps auritus
    # Count: 1
    Date:
    Observer: Trevor Wimmer
    Location: Tijuana River mouth & beach
  108. Northern Shoveler Spatula clypeata
    # Count: 3
    Date:
    Observer: John Britt
    Location: Tijuana River mouth & beach
  109. Marsh Wren Cistothorus palustris
    # Count: 1
    Date:
    Observer: Eric Ripma
    Location: Tijuana River mouth & beach
  110. Eurasian Wigeon Mareca penelope
    # Count: 1
    Date:
    Observer: Eric Ripma
    Location: Tijuana River mouth & beach
  111. Parasitic Jaeger Stercorarius parasiticus
    # Count: 1
    Date:
    Observer: Eric Ripma
    Location: Tijuana River mouth & beach
  112. Northern Pintail Anas acuta
    # Count: 6
    Date:
    Observer: Alex Eisengart
    Location: Tijuana River mouth & beach
  113. American Pipit Anthus rubescens
    # Count: 1
    Date:
    Observer: Ched Whitney
    Location: Tijuana River mouth & beach
  114. Tree Swallow Tachycineta bicolor
    # Count: 15
    Date:
    Observer: Matt Sadowski
    Location: Tijuana River mouth & beach
  115. Bufflehead Bucephala albeola
    # Count: 3
    Date:
    Observer: Carol Hippenmeyer
    Location: Tijuana River mouth & beach
  116. Green-winged Teal Anas crecca
    # Count: 2
    Date:
    Observer: Carolyn Thiele
    Location: Tijuana River mouth & beach
  117. Virginia Rail Rallus limicola
    # Count: 2
    Date:
    Observer: Matthew Kruse
    Location: Tijuana River mouth & beach
  118. Lark Sparrow Chondestes grammacus
    # Count: 1
    Date:
    Observer: Matt Sadowski
    Location: Tijuana River mouth & beach
  119. Violet-green Swallow Tachycineta thalassina
    # Count: 1
    Date:
    Observer: Eric Edgar
    Location: Tijuana River mouth & beach
  120. Great Horned Owl Bubo virginianus
    # Count: 1
    Date:
    Observer: Ann Potenzone
    Location: Tijuana River mouth & beach
  121. American White Pelican Pelecanus erythrorhynchos
    # Count: 3
    Date:
    Observer: Mel Senac
    Location: Tijuana River mouth & beach
  122. Bald Eagle Haliaeetus leucocephalus
    # Count: 1
    Date:
    Observer: Max Leibowitz
    Location: Tijuana River mouth & beach
  123. Yellow-rumped Warbler Setophaga coronata
    # Count: 1
    Date:
    Observer: Nancy Christensen
    Location: Tijuana River mouth & beach
  124. Little Blue Heron Egretta caerulea
    # Count: 1
    Date:
    Observer: Isaiah Freedman
    Location: Tijuana River mouth & beach
  125. Ring-necked Duck Aythya collaris
    # Count: 4
    Date:
    Observer: Grigory Heaton
    Location: Tijuana River mouth & beach
  126. Lesser Scaup Aythya affinis
    # Count: 1
    Date:
    Observer: Scott Taylor
    Location: Tijuana River mouth & beach
  127. Short-billed Gull Larus brachyrhynchus
    # Count: 3
    Date:
    Observer: Grigory Heaton
    Location: Tijuana River mouth & beach
  128. Great-tailed Grackle Quiscalus mexicanus
    # Count: 1
    Date:
    Observer: Grigory Heaton
    Location: Tijuana River mouth & beach
  129. Blue-winged Teal Spatula discors
    # Count: 2
    Date:
    Observer: Bryan Flaig
    Location: Tijuana River mouth & beach
  130. Canada Goose Branta canadensis
    # Count: X
    Date:
    Observer: Steven Glynn
    Location: Tijuana River mouth & beach
  131. Pied-billed Grebe Podilymbus podiceps
    # Count: 2
    Date:
    Observer: Steven Glynn
    Location: Tijuana River mouth & beach
  132. Dunlin Calidris alpina
    # Count: X
    Date:
    Observer: Steven Glynn
    Location: Tijuana River mouth & beach
  133. Belted Kingfisher Megaceryle alcyon
    # Count: 1
    Date:
    Observer: Tony Provenzano
    Location: Tijuana River mouth & beach
  134. American Kestrel Falco sparverius
    # Count: 1
    Date:
    Observer: Mike Dow
    Location: Tijuana River mouth & beach
  135. Black-legged Kittiwake Rissa tridactyla
    # Count: 1
    Date:
    Observer: Sharif Uddin
    Location: Tijuana River mouth & beach
  136. Merlin Falco columbarius
    # Count: 1
    Date:
    Observer: Matt Sadowski
    Location: Tijuana River mouth & beach
  137. Eared Grebe Podiceps nigricollis
    # Count: 1
    Date:
    Observer: Jonathan Dowell
    Location: Tijuana River mouth & beach
  138. Turkey Vulture Cathartes aura
    # Count: 2
    Date:
    Observer: Jodhan Fine
    Location: Tijuana River mouth & beach
  139. Anna's Hummingbird Calypte anna
    # Count: 1
    Date:
    Observer: Mike Wittmer
    Location: Tijuana River mouth & beach
  140. Glaucous-winged Gull Larus glaucescens
    # Count: 1
    Date:
    Observer: Mike Wittmer
    Location: Tijuana River mouth & beach
  141. Greater Yellowlegs Tringa melanoleuca
    # Count: 2
    Date:
    Observer: Carolyn Thiele
    Location: Tijuana River mouth & beach
  142. White-faced Ibis Plegadis chihi
    # Count: 4
    Date:
    Observer: John Dumlao
    Location: Tijuana River mouth & beach
  143. Red Knot Calidris canutus
    # Count: 8
    Date:
    Observer: Josh Cunningham
    Location: Tijuana River mouth & beach
  144. Western Cattle Egret Bubulcus ibis
    # Count: 1
    Date:
    Observer: Josh Cunningham
    Location: Tijuana River mouth & beach
  145. Cooper's Hawk Accipiter cooperii
    # Count: 1
    Date:
    Observer: John Tirpak
    Location: Tijuana River mouth & beach
  146. Cinnamon Teal Spatula cyanoptera
    # Count: 1
    Date:
    Observer: Nick Thorpe
    Location: Tijuana River mouth & beach
  147. Ruddy Duck Oxyura jamaicensis
    # Count: 1
    Date:
    Observer: Nick Thorpe
    Location: Tijuana River mouth & beach
  148. Long-billed Dowitcher Limnodromus scolopaceus
    # Count: 6
    Date:
    Observer: Nick Thorpe
    Location: Tijuana River mouth & beach
  149. American Wigeon Mareca americana
    # Count: 2
    Date:
    Observer: Andy Stepniewski
    Location: Tijuana River mouth & beach
  150. Least Sandpiper Calidris minutilla
    # Count: 8
    Date:
    Observer: Todd Easterla
    Location: Tijuana River mouth & beach
  151. Pomarine Jaeger Stercorarius pomarinus
    # Count: 1
    Date:
    Observer: Todd Easterla
    Location: Tijuana River mouth & beach
  152. Red-throated Loon Gavia stellata
    # Count: 1
    Date:
    Observer: Todd Easterla
    Location: Tijuana River mouth & beach
  153. Common Loon Gavia immer
    # Count: 1
    Date:
    Observer: Todd Easterla
    Location: Tijuana River mouth & beach
  154. Red-tailed Hawk Buteo jamaicensis
    # Count: 1
    Date:
    Observer: Todd Easterla
    Location: Tijuana River mouth & beach
  155. Western Kingbird Tyrannus verticalis
    # Count: 4
    Date:
    Observer: Todd Easterla
    Location: Tijuana River mouth & beach
  156. Red-winged Blackbird Agelaius phoeniceus
    # Count: 1
    Date:
    Observer: Maryse Neukomm
    Location: Tijuana River mouth & beach
  157. Pacific Golden-Plover Pluvialis fulva
    # Count: 1
    Date:
    Observer: Matt Sadowski
    Location: Tijuana River mouth & beach
  158. Herring Gull Larus argentatus
    # Count: 1
    Date:
    Observer: Matt Sadowski
    Location: Tijuana River mouth & beach
  159. Laughing Gull Leucophaeus atricilla
    # Count: 1
    Date:
    Observer: Joe Hannigan
    Location: Tijuana River mouth & beach
  160. Bonaparte's Gull Chroicocephalus philadelphia
    # Count: 4
    Date:
    Observer: Beverly Reynolds
    Location: Tijuana River mouth & beach
  161. Northern Rough-winged Swallow Stelgidopteryx serripennis
    # Count: 1
    Date:
    Observer: James Leone
    Location: Tijuana River mouth & beach
  162. Black Skimmer Rynchops niger
    # Count: 1
    Date:
    Observer: Ross Christie
    Location: Tijuana River mouth & beach
  163. Peregrine Falcon Falco peregrinus
    # Count: 1
    Date:
    Observer: Ross Christie
    Location: Tijuana River mouth & beach
  164. Semipalmated Plover Charadrius semipalmatus
    # Count: 2
    Date:
    Observer: Jerry Callaway
    Location: Tijuana River mouth & beach
  165. Lazuli Bunting Passerina amoena
    # Count: 1
    Date:
    Observer: Matt Sadowski
    Location: Tijuana River mouth & beach
  166. Red-breasted Merganser Mergus serrator
    # Count: X
    Date:
    Observer: Kieran Barlow
    Location: Tijuana River mouth & beach
  167. Western Sandpiper Calidris mauri
    # Count: 10
    Date:
    Observer: Millie and Peter Thomas
    Location: Tijuana River mouth & beach
  168. Common Raven Corvus corax
    # Count: 1
    Date:
    Observer: Millie and Peter Thomas
    Location: Tijuana River mouth & beach
  169. Pelagic Cormorant Urile pelagicus
    # Count: 1
    Date:
    Observer: Tommy Quarles
    Location: Tijuana River mouth & beach
  170. Sanderling Calidris alba
    # Count: 10
    Date:
    Observer: Eric Klug
    Location: Tijuana River mouth & beach
  171. Pacific Loon Gavia pacifica
    # Count: 2
    Date:
    Observer: Steven Lima
    Location: Tijuana River mouth & beach
  172. Sooty Shearwater Ardenna grisea
    # Count: 2
    Date:
    Observer: Steven Lima
    Location: Tijuana River mouth & beach
  173. Eurasian Collared-Dove Streptopelia decaocto
    # Count: 3
    Date:
    Observer: Ethan Cleveland
    Location: Tijuana River mouth & beach
  174. California Towhee Melozone crissalis
    # Count: 1
    Date:
    Observer: Ethan Cleveland
    Location: Tijuana River mouth & beach
  175. Common Yellowthroat Geothlypis trichas
    # Count: 2
    Date:
    Observer: Ethan Cleveland
    Location: Tijuana River mouth & beach
  176. Gadwall Mareca strepera
    # Count: 1
    Date:
    Observer: Nick Thorpe
    Location: Tijuana River mouth & beach
  177. Western Grebe Aechmophorus occidentalis
    # Count: 4
    Date:
    Observer: Nick Thorpe
    Location: Tijuana River mouth & beach
  178. American Avocet Recurvirostra americana
    # Count: 1
    Date:
    Observer: Nick Thorpe
    Location: Tijuana River mouth & beach
  179. Black-bellied Plover Pluvialis squatarola
    # Count: 1
    Date:
    Observer: Nick Thorpe
    Location: Tijuana River mouth & beach
  180. Barn Swallow Hirundo rustica
    # Count: 2
    Date:
    Observer: Nick Thorpe
    Location: Tijuana River mouth & beach
  181. Clark's Grebe Aechmophorus clarkii
    # Count: 1
    Date:
    Observer: Brandon K. Percival
    Location: Tijuana River mouth & beach
  182. Allen's Hummingbird Selasphorus sasin
    # Count: 1
    Date:
    Observer: mary ellen flynn
    Location: Tijuana River mouth & beach
  183. Great Egret Ardea alba
    # Count: 1
    Date:
    Observer: mary ellen flynn
    Location: Tijuana River mouth & beach
  184. Black Phoebe Sayornis nigricans
    # Count: 1
    Date:
    Observer: mary ellen flynn
    Location: Tijuana River mouth & beach
  185. Brown Booby Sula leucogaster
    # Count: 3
    Date:
    Observer: Steven Lima
    Location: Tijuana River mouth & beach
  186. European Starling Sturnus vulgaris
    # Count: 7
    Date:
    Observer: Steven Lima
    Location: Tijuana River mouth & beach
  187. Say's Phoebe Sayornis saya
    # Count: 1
    Date:
    Observer: Lisa Ruby
    Location: Tijuana River mouth & beach
  188. Horned Lark Eremophila alpestris
    # Count: 4
    Date:
    Observer: Lisa Ruby
    Location: Tijuana River mouth & beach
  189. Black Oystercatcher Haematopus bachmani
    # Count: 1
    Date:
    Observer: C. Jackson
    Location: Tijuana River mouth & beach
  190. Rock Pigeon Columba livia
    # Count: 3
    Date:
    Observer: Rod Barbo
    Location: Tijuana River mouth & beach
  191. Mourning Dove Zenaida macroura
    # Count: 4
    Date:
    Observer: Rod Barbo
    Location: Tijuana River mouth & beach
  192. Ridgway's Rail Rallus obsoletus
    # Count: 1
    Date:
    Observer: Rod Barbo
    Location: Tijuana River mouth & beach
  193. Marbled Godwit Limosa fedoa
    # Count: 5
    Date:
    Observer: Rod Barbo
    Location: Tijuana River mouth & beach
  194. Short-billed Dowitcher Limnodromus griseus
    # Count: 3
    Date:
    Observer: Rod Barbo
    Location: Tijuana River mouth & beach
  195. California Gull Larus californicus
    # Count: 1
    Date:
    Observer: Rod Barbo
    Location: Tijuana River mouth & beach
  196. American Crow Corvus brachyrhynchos
    # Count: 1
    Date:
    Observer: Rod Barbo
    Location: Tijuana River mouth & beach
  197. American Coot Fulica americana
    # Count: 1
    Date:
    Observer: Benjamin Antieau
    Location: Tijuana River mouth & beach
  198. Heermann's Gull Larus heermanni
    # Count: 4
    Date:
    Observer: Benjamin Antieau
    Location: Tijuana River mouth & beach
  199. Forster's Tern Sterna forsteri
    # Count: 8
    Date:
    Observer: Benjamin Antieau
    Location: Tijuana River mouth & beach
  200. Northern Harrier Circus hudsonius
    # Count: 1
    Date:
    Observer: Benjamin Antieau
    Location: Tijuana River mouth & beach
  201. House Finch Haemorhous mexicanus
    # Count: 5
    Date:
    Observer: Benjamin Antieau
    Location: Tijuana River mouth & beach
  202. Song Sparrow Melospiza melodia
    # Count: 2
    Date:
    Observer: Benjamin Antieau
    Location: Tijuana River mouth & beach
  203. Western Meadowlark Sturnella neglecta
    # Count: 1
    Date:
    Observer: Benjamin Antieau
    Location: Tijuana River mouth & beach
  204. Least Tern Sternula antillarum
    # Count: 2
    Date:
    Observer: Solomon Greene
    Location: Tijuana River mouth & beach
  205. Black-crowned Night Heron Nycticorax nycticorax
    # Count: 1
    Date:
    Observer: Solomon Greene
    Location: Tijuana River mouth & beach
  206. Snowy Egret Egretta thula
    # Count: 1
    Date:
    Observer: Solomon Greene
    Location: Tijuana River mouth & beach
  207. Great Blue Heron Ardea herodias
    # Count: 2
    Date:
    Observer: Solomon Greene
    Location: Tijuana River mouth & beach
  208. Osprey Pandion haliaetus
    # Count: 1
    Date:
    Observer: Solomon Greene
    Location: Tijuana River mouth & beach
  209. House Sparrow Passer domesticus
    # Count: 3
    Date:
    Observer: Solomon Greene
    Location: Tijuana River mouth & beach
  210. Caspian Tern Hydroprogne caspia
    # Count: 1
    Date:
    Observer: Alex Damiano
    Location: Tijuana River mouth & beach
  211. Elegant Tern Thalasseus elegans
    # Count: 2
    Date:
    Observer: Alex Damiano
    Location: Tijuana River mouth & beach
  212. Yellow-crowned Night Heron Nyctanassa violacea
    # Count: 2
    Date:
    Observer: Alex Damiano
    Location: Tijuana River mouth & beach
  213. Mallard Anas platyrhynchos
    # Count: 5
    Date:
    Observer: Nick Komar
    Location: Tijuana River mouth & beach
  214. Black-necked Stilt Himantopus mexicanus
    # Count: 1
    Date:
    Observer: Nick Komar
    Location: Tijuana River mouth & beach
  215. Killdeer Charadrius vociferus
    # Count: 1
    Date:
    Observer: Nick Komar
    Location: Tijuana River mouth & beach
  216. Snowy Plover Anarhynchus nivosus
    # Count: 2
    Date:
    Observer: Nick Komar
    Location: Tijuana River mouth & beach
  217. Ring-billed Gull Larus delawarensis
    # Count: 1
    Date:
    Observer: Nick Komar
    Location: Tijuana River mouth & beach
  218. Royal Tern Thalasseus maximus
    # Count: 7
    Date:
    Observer: Nick Komar
    Location: Tijuana River mouth & beach
  219. Brandt's Cormorant Urile penicillatus
    # Count: 1
    Date:
    Observer: Nick Komar
    Location: Tijuana River mouth & beach
  220. Double-crested Cormorant Nannopterum auritum
    # Count: 1
    Date:
    Observer: Nick Komar
    Location: Tijuana River mouth & beach
  221. Cliff Swallow Petrochelidon pyrrhonota
    # Count: 2
    Date:
    Observer: Nick Komar
    Location: Tijuana River mouth & beach
  222. Savannah Sparrow Passerculus sandwichensis
    # Count: 2
    Date:
    Observer: Nick Komar
    Location: Tijuana River mouth & beach
  223. Surf Scoter Melanitta perspicillata
    # Count: X
    Date:
    Observer: Deane Osterman
    Location: Tijuana River mouth & beach
  224. Whimbrel Numenius phaeopus
    # Count: X
    Date:
    Observer: Deane Osterman
    Location: Tijuana River mouth & beach
  225. Long-billed Curlew Numenius americanus
    # Count: X
    Date:
    Observer: Deane Osterman
    Location: Tijuana River mouth & beach
  226. Willet Tringa semipalmata
    # Count: X
    Date:
    Observer: Deane Osterman
    Location: Tijuana River mouth & beach
  227. Western Gull Larus occidentalis
    # Count: X
    Date:
    Observer: Deane Osterman
    Location: Tijuana River mouth & beach
  228. Gull-billed Tern Gelochelidon nilotica
    # Count: X
    Date:
    Observer: Deane Osterman
    Location: Tijuana River mouth & beach
  229. Brown Pelican Pelecanus occidentalis
    # Count: X
    Date:
    Observer: Deane Osterman
    Location: Tijuana River mouth & beach

Exotic: Provisional (1)

  1. Yellow-headed Parrot Amazona oratrix
    # Count: 1
    Date:
    Observer: Josh Cunningham
    Location: Tijuana River mouth & beach

Exotic: Escapee (1)

  1. American Flamingo Phoenicopterus ruber
    # Count: 2
    Date:
    Observer: Mary Jo Hayes
    Location: Tijuana River mouth & beach

Hybrids (2)

  1. Western x Glaucous-winged Gull (hybrid) Larus occidentalis x glaucescens
    # Count: 1
    Date:
    Observer: Matt Sadowski
    Location: Tijuana River mouth & beach
  2. Herring x Glaucous-winged Gull (hybrid) Larus argentatus x glaucescens
    # Count: 1
    Date:
    Observer: Matt Sadowski
    Location: Tijuana River mouth & beach

Additional Taxa (65)

  1. Snow/Ross's Goose Anser caerulescens/rossii
    # Count: 2
    Date:
    Observer: Christopher Adler
    Location: Tijuana River mouth & beach
  2. Sterna sp. Sterna sp.
    # Count: 6
    Date:
    Observer: Stephen Kacir
    Location: Tijuana River mouth & beach
  3. small falcon sp. Falco sp. (small falcon sp.)
    # Count: 1
    Date:
    Observer: Nancy Christensen
    Location: Tijuana River mouth & beach
  4. large alcid sp. Alca/Uria sp.
    # Count: 3
    Date:
    Observer: Vicki Sandage
    Location: Tijuana River mouth & beach
  5. new world warbler sp. Parulidae sp.
    # Count: 1
    Date:
    Observer: John Burch
    Location: Tijuana River mouth & beach
  6. Accipiter sp. Accipiter sp.
    # Count: 1
    Date:
    Observer: Gary Gray
    Location: Tijuana River mouth & beach
  7. yellow-bellied kingbird sp. Tyrannus sp. (yellow-bellied)
    # Count: X
    Date:
    Observer: Laura Bakken
    Location: Tijuana River mouth & beach
  8. sulid sp. Sulidae sp.
    # Count: 1
    Date:
    Observer: Matt Sadowski
    Location: Tijuana River mouth & beach
  9. Blue-winged/Cinnamon Teal Spatula discors/cyanoptera
    # Count: 4
    Date:
    Observer: Nick Barber
    Location: Tijuana River mouth & beach
  10. owl sp. Strigiformes sp.
    # Count: 1
    Date:
    Observer: Dan Jehl
    Location: Tijuana River mouth & beach
  11. alcid sp. Alcidae sp.
    # Count: 1
    Date:
    Observer: Nancy Christensen
    Location: Tijuana River mouth & beach
  12. Masked/Nazca Booby Sula dactylatra/granti
    # Count: 1
    Date:
    Observer: Justyn Stahl
    Location: Tijuana River mouth & beach
  13. Common/Arctic Tern Sterna hirundo/paradisaea
    # Count: 15
    Date:
    Observer: Aaron Gyllenhaal
    Location: Tijuana River mouth & beach
  14. rail/crake sp. Rallidae sp. (rail/crake sp.)
    # Count: 4
    Date:
    Observer: George Chapman
    Location: Tijuana River mouth & beach
  15. falcon sp. Falco sp.
    # Count: 1
    Date:
    Observer: Gerry Meenaghan
    Location: Tijuana River mouth & beach
  16. crow/raven sp. Corvus sp.
    # Count: 1
    Date:
    Observer: Jonny Sperling
    Location: Tijuana River mouth & beach
  17. plover sp. Charadriidae sp.
    # Count: 1
    Date:
    Observer: Will Black
    Location: Tijuana River mouth & beach
  18. American/Pacific Golden-Plover (Lesser Golden-Plover) Pluvialis dominica/fulva
    # Count: 1
    Date:
    Observer: Jasen Liu
    Location: Tijuana River mouth & beach
  19. Horned/Eared Grebe Podiceps auritus/nigricollis
    # Count: 1
    Date:
    Observer: Nathan Goldberg
    Location: Tijuana River mouth & beach
  20. Amazona sp. Amazona sp.
    # Count: 1
    Date:
    Observer: Elliot Nelson
    Location: Tijuana River mouth & beach
  21. blackbird sp. Icteridae sp.
    # Count: 2
    Date:
    Observer: Matt Sadowski
    Location: Tijuana River mouth & beach
  22. Red/Red-necked Phalarope Phalaropus fulicarius/lobatus
    # Count: 6
    Date:
    Observer: Bill Tweet
    Location: Tijuana River mouth & beach
  23. Yellow-crowned/Black-crowned Night Heron Nycticorax nycticorax/Nyctanassa violacea
    # Count: 1
    Date:
    Observer: Peter DellaVecchia
    Location: Tijuana River mouth & beach
  24. goose sp. Anatidae (goose sp.)
    # Count: 2
    Date:
    Observer: Daniela Cassataro
    Location: Tijuana River mouth & beach
  25. flamingo sp. Phoenicopteridae sp.
    # Count: 2
    Date:
    Observer: Ilene Klein
    Location: Tijuana River mouth & beach
  26. phalarope sp. Phalaropus sp.
    # Count: 3
    Date:
    Observer: Phil Rusch
    Location: Tijuana River mouth & beach
  27. storm-petrel sp. Oceanitidae/Hydrobatidae sp.
    # Count: 1
    Date:
    Observer: Kat Byrd
    Location: Tijuana River mouth & beach
  28. white egret sp. Egretta/Bubulcus/Ardea sp.
    # Count: X
    Date:
    Observer: mengqi yu
    Location: Tijuana River mouth & beach
  29. Sharp-shinned/Cooper's Hawk Accipiter striatus/cooperii
    # Count: 1
    Date:
    Observer: Matt Sadowski
    Location: Tijuana River mouth & beach
  30. bird sp. Aves sp.
    # Count: 1
    Date:
    Observer: Bridget Spencer
    Location: Tijuana River mouth & beach
  31. diurnal raptor sp. Accipitriformes/Falconiformes sp.
    # Count: 1
    Date:
    Observer: Millie and Peter Thomas
    Location: Tijuana River mouth & beach
  32. scoter sp. Melanitta sp.
    # Count: 75
    Date:
    Observer: D. Michael Ray
    Location: Tijuana River mouth & beach
  33. Black-bellied Plover/golden-plover sp. Pluvialis sp.
    # Count: 1
    Date:
    Observer: Caitlin Morrow
    Location: Tijuana River mouth & beach
  34. new world sparrow sp. Passerellidae sp.
    # Count: 2
    Date:
    Observer: Alex Mann
    Location: Tijuana River mouth & beach
  35. passerine sp. Passeriformes sp.
    # Count: 1
    Date:
    Observer: Alex Mann
    Location: Tijuana River mouth & beach
  36. Aythya sp. Aythya sp.
    # Count: 1
    Date:
    Observer: Tyler Ekholm
    Location: Tijuana River mouth & beach
  37. booby sp. Sula sp.
    # Count: 2
    Date:
    Observer: Matt Sadowski
    Location: Tijuana River mouth & beach
  38. black-and-white shearwater sp. Puffinus sp. (black-and-white shearwater sp.)
    # Count: 3
    Date:
    Observer: Matt Sadowski
    Location: Tijuana River mouth & beach
  39. hummingbird sp. Trochilidae sp.
    # Count: 1
    Date:
    Observer: Michael Rossetti
    Location: Tijuana River mouth & beach
  40. large shorebird sp. Scolopacidae sp. (large shorebird sp.)
    # Count: X
    Date:
    Observer: Carolyn Thiele
    Location: Tijuana River mouth & beach
  41. Calidris sp. Calidris sp.
    # Count: 2
    Date:
    Observer: Miles Horton
    Location: Tijuana River mouth & beach
  42. Rufous/Allen's Hummingbird Selasphorus rufus/sasin
    # Count: 1
    Date:
    Observer: Matt Sadowski
    Location: Tijuana River mouth & beach
  43. Forster's/Common Tern Sterna forsteri/hirundo
    # Count: 2
    Date:
    Observer: Nancy Christensen
    Location: Tijuana River mouth & beach
  44. shearwater sp. Procellariidae sp. (shearwater sp.)
    # Count: 1
    Date:
    Observer: Matt Sadowski
    Location: Tijuana River mouth & beach
  45. dabbling duck sp. Anatidae sp. (dabbling duck sp.)
    # Count: 20
    Date:
    Observer: Matt Sadowski
    Location: Tijuana River mouth & beach
  46. jaeger sp. Stercorarius sp. (jaeger sp.)
    # Count: 2
    Date:
    Observer: Jeffrey Olsson
    Location: Tijuana River mouth & beach
  47. teal sp. Anatidae sp. (teal sp.)
    # Count: 3
    Date:
    Observer: Nick Thorpe
    Location: Tijuana River mouth & beach
  48. Parasitic/Pomarine Jaeger Stercorarius parasiticus/pomarinus
    # Count: 1
    Date:
    Observer: Dan Hayes
    Location: Tijuana River mouth & beach
  49. Lesser/Greater Yellowlegs Tringa flavipes/melanoleuca
    # Count: 10
    Date:
    Observer: Michaella Burton
    Location: Tijuana River mouth & beach
  50. swallow sp. Hirundinidae sp.
    # Count: 3
    Date:
    Observer: Matt Sadowski
    Location: Tijuana River mouth & beach
  51. Larus sp. Larus sp.
    # Count: 100
    Date:
    Observer: Millie and Peter Thomas
    Location: Tijuana River mouth & beach
  52. Greater/Lesser Scaup Aythya marila/affinis
    # Count: 3
    Date:
    Observer: C. Jackson
    Location: Tijuana River mouth & beach
  53. Buteo sp. Buteo sp.
    # Count: 1
    Date:
    Observer: Carolyn Thiele
    Location: Tijuana River mouth & beach
  54. duck sp. Anatidae (duck sp.)
    # Count: 30
    Date:
    Observer: Isaiah Freedman
    Location: Tijuana River mouth & beach
  55. small plover sp. Charadrius/Anarhynchus sp.
    # Count: 12
    Date:
    Observer: Isaiah Freedman
    Location: Tijuana River mouth & beach
  56. Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceus
    # Count: 25
    Date:
    Observer: Grigory Heaton
    Location: Tijuana River mouth & beach
  57. shorebird sp. Charadriiformes sp.
    # Count: X
    Date:
    Observer: Eve Martin
    Location: Tijuana River mouth & beach
  58. loon sp. Gavia sp.
    # Count: 25
    Date:
    Observer: Andy Stepniewski
    Location: Tijuana River mouth & beach
  59. peep sp. Calidris sp. (peep sp.)
    # Count: 18
    Date:
    Observer: Beverly Reynolds
    Location: Tijuana River mouth & beach
  60. Elegant/Royal Tern Thalasseus elegans/maximus
    # Count: 130
    Date:
    Observer: Lisa Ruby
    Location: Tijuana River mouth & beach
  61. Western/Clark's Grebe Aechmophorus occidentalis/clarkii
    # Count: 1
    Date:
    Observer: Benjamin Antieau
    Location: Tijuana River mouth & beach
  62. cormorant sp. Phalacrocoracidae sp.
    # Count: 1
    Date:
    Observer: Benjamin Antieau
    Location: Tijuana River mouth & beach
  63. large tern sp. Hydroprogne/Thalasseus sp.
    # Count: 30
    Date:
    Observer: Solomon Greene
    Location: Tijuana River mouth & beach
  64. gull sp. Larinae sp.
    # Count: 100
    Date:
    Observer: Alex Damiano
    Location: Tijuana River mouth & beach
  65. tern sp. Sterninae sp.
    # Count: 40
    Date:
    Observer: Alex Damiano
    Location: Tijuana River mouth & beach