Bolsa Chica--walkbridge/inner bay

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Illustrated Checklist

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261 Species Observed

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Hybrids (4)

Eurasian x American Wigeon (hybrid) Mareca penelope x americana

Last observed by Greg Enns on 19 Nov 2023
Western x Glaucous-winged Gull (hybrid) Larus occidentalis x glaucescens

Last observed by Chris McCreedy - no playbacks on 5 Mar 2024
Sandwich x Elegant Tern (hybrid) Thalasseus sandvicensis x elegans

Last observed by Brian Daniels on 25 Jun 1995
Townsend's x Hermit Warbler (hybrid) Setophaga townsendi x occidentalis

Last observed by Doug Lithgow on 16 May 2021

Additional Taxa (54)

Domestic goose sp. (Domestic type) Anser sp. (Domestic type)

Last observed by Ella Pennington on 19 May 2016
swan sp. Cygnus sp.

Last observed by Deven Kammerichs-Berke on 8 Aug 2018
Blue-winged/Cinnamon Teal Spatula discors/cyanoptera

Last observed by D McClure on 27 Oct 2023
teal sp. Anatidae sp. (teal sp.)

Last observed by Eric Haskell on 6 Oct 2023
dabbling duck sp. Anatidae sp. (dabbling duck sp.)

Last observed by Curtis Marantz on 5 Jul 2013
Greater/Lesser Scaup Aythya marila/affinis

Last observed by Zubin Raj on 6 Apr 2024
Aythya sp. Aythya sp.

Last observed by D McClure on 27 Oct 2023
scoter sp. Melanitta sp.

Last observed by Dirk Julander on 30 Jan 2021
duck sp. Anatidae (duck sp.)

Last observed by Abbie Brozich on 15 Mar 2024
Horned/Eared Grebe Podiceps auritus/nigricollis

Last observed by Paul Takemoto on 24 Mar 2024
Western/Clark's Grebe Aechmophorus occidentalis/clarkii

Last observed by Kathy Klein on 9 Feb 2024
grebe sp. Podicipedidae sp.

Last observed by Yonghee Lee on 4 Jun 2017
Rufous/Allen's Hummingbird Selasphorus rufus/sasin

Last observed by Andy H on 10 Jun 2023
hummingbird sp. Trochilidae sp.

Last observed by Alexandra Edwards on 29 Aug 2023
Black-bellied Plover/golden-plover sp. Pluvialis sp.

Last observed by Terry Hill on 27 Aug 2022
curlew sp. Numenius sp.

Last observed by Curtis Marantz on 25 Apr 2014
Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceus

Last observed by Jeremy Leader on 14 Apr 2024
Red/Red-necked Phalarope Phalaropus fulicarius/lobatus

Last observed by Phil Mendes on 11 Sep 1995
Lesser/Greater Yellowlegs Tringa flavipes/melanoleuca

Last observed by Tom McDonnell on 14 Oct 2022
peep sp. Calidris sp. (peep sp.)

Last observed by Conservancy Volunteers on 12 Apr 2024
Calidris sp. Calidris sp.

Last observed by Chris McCreedy - no playbacks on 5 Mar 2024
shorebird sp. Charadriiformes sp.

Last observed by Ryan Watson on 28 Mar 2024
jaeger sp. Stercorarius sp. (jaeger sp.)

Last observed by Terry Hill on 26 Sep 2015
Western/Glaucous-winged Gull Larus occidentalis/glaucescens

Last observed by Anonymous eBirder on 15 Aug 2022
white-winged gull sp. Larus sp. (white-winged gull sp.)

Last observed by Louise Acheson on 2 Aug 2021
Larus sp. Larus sp.

Last observed by Loren Wright on 9 Jan 2024
gull sp. Larinae sp.

Last observed by Benjamin Apsley on 25 Apr 2024
Forster's/Common Tern Sterna forsteri/hirundo

Last observed by Eric Haskell on 6 Oct 2023
Common/Arctic Tern Sterna hirundo/paradisaea

Last observed by Phil Swan on 19 May 2019
Elegant/Royal Tern Thalasseus elegans/maximus

Last observed by Carmelito Guan on 3 Apr 2024
Thalasseus sp. Thalasseus sp.

Last observed by Thomas Lopez on 25 Jun 2023
tern sp. Sterninae sp.

Last observed by David Ornellas on 25 Mar 2024
loon sp. Gavia sp.

Last observed by Kat Avila on 10 Feb 2022
cormorant sp. Phalacrocoracidae sp.

Last observed by Carol Maxwell on 22 Apr 2024
heron sp. Ardeidae sp.

Last observed by Andrew Core on 23 Jun 2018
Sharp-shinned/Cooper's Hawk Accipiter striatus/cooperii

Last observed by Kas Chmielinski on 15 Jan 2022
Accipiter sp. Accipiter sp.

Last observed by Nancy Balstad on 9 Dec 2012
Buteo sp. Buteo sp.

Last observed by Steph Fisher on 16 Sep 2023
hawk sp. Accipitridae sp. (hawk sp.)

Last observed by BH Gardner on 4 Nov 2023
woodpecker sp. Picidae sp.

Last observed by Kerry Ross on 29 Jun 2022
falcon sp. Falco sp.

Last observed by allison shock on 11 Feb 2024
Empidonax sp. Empidonax sp.

Last observed by Hans Spiecker on 25 May 2020
Cassin's/Western Kingbird Tyrannus vociferans/verticalis

Last observed by Cash Lowe on 17 Apr 2023
new world flycatcher sp. Tyrannidae sp.

Last observed by Karen McKinley on 4 Sep 2022
swallow sp. Hirundinidae sp.

Last observed by Trevor Leitz on 19 Feb 2024
wren sp. Troglodytidae sp.

Last observed by Steve Swinney on 9 Oct 2023
House/Purple Finch Haemorhous mexicanus/purpureus

Last observed by Dina Weiss on 20 May 2020
Acanthis/Spinus sp. Acanthis/Spinus sp.

Last observed by Timothy Reichard on 16 Oct 2019
new world sparrow sp. Passerellidae sp.

Last observed by Steve Swinney on 9 Oct 2023
new world oriole sp. Icterus sp.

Last observed by Dina Weiss on 20 May 2020
Red-winged/Tricolored Blackbird Agelaius phoeniceus/tricolor

Last observed by Russ Costello on 2 Apr 1999
blackbird sp. Icteridae sp.

Last observed by Karen McKinley on 19 Jun 2023
new world warbler sp. Parulidae sp.

Last observed by Vicki Sandage on 9 May 2019
passerine sp. Passeriformes sp.

Last observed by Eileen Wintemute on 14 Jul 2023

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Native and Naturalized (257)

Exotic: Provisional (4)

Exotic: Escapee (6)

Hybrids (4)

Additional Taxa (54)