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Marin
Illustrated Checklist
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Native and Naturalized (506)
Exotic: Provisional (1)
Exotic: Escapee (18)
Hybrids (28)
- Domestic goose sp. x Canada Goose (hybrid) Anser sp. (Domestic type) x Branta canadensisLast observed by Elizabeth Crouthamel on 9 Oct 2023
- Blue-winged x Cinnamon Teal (hybrid) Spatula discors x cyanopteraLast observed by David Sexton on 4 Mar 2017
- Eurasian x American Wigeon (hybrid) Mareca penelope x americanaLast observed by Kenneth Weidner on 4 Mar 2024
- Gadwall x Mallard (hybrid) Mareca strepera x Anas platyrhynchosLast observed by Natalie Clark on 20 Dec 2022
- Mallard x Northern Pintail (hybrid) Anas platyrhynchos x acutaLast observed by Sam Eberhard on 31 Jan 2022
- Canvasback x Redhead (hybrid) Aythya valisineria x americanaLast observed by Mark Stephenson on 29 Jan 2017
- Ring-necked x Tufted Duck (hybrid) Aythya collaris x fuligulaLast observed by Jean Richmond on 22 Jan 1977
- Ring-necked Duck x Greater Scaup (hybrid) Aythya collaris x marilaLast observed by Marin County Historical Record on 15 Sep 1981
- Tufted Duck x Greater Scaup (hybrid) Aythya fuligula x marilaLast observed by Mark Dettling on 18 Dec 2021
- Tufted Duck x scaup sp. (hybrid) Aythya fuligula x marila/affinisLast observed by David Lumpkin on 21 Jan 2023
- Bufflehead x Common Goldeneye (hybrid) Bucephala albeola x clangulaLast observed by Ryan Terrill on 7 Jan 2014
- Common x Barrow's Goldeneye (hybrid) Bucephala clangula x islandicaLast observed by Mark Stephenson on 16 Dec 2022
- Common Goldeneye x Hooded Merganser (hybrid) Bucephala clangula x Lophodytes cucullatusLast observed by William Legge on 21 Dec 2021
- goldeneye sp. x Hooded Merganser (hybrid) Bucephala clangula/islandica x Lophodytes cucullatusLast observed by Patricia DiLuzio on 23 Dec 2018
- Western x Clark's Grebe (hybrid) Aechmophorus occidentalis x clarkiiLast observed by Connor Cochrane on 28 Feb 2021
- Anna's x Costa's Hummingbird (hybrid) Calypte anna x costaeLast observed by Marin County Historical Record on 25 May 1993
- Anna's x Rufous Hummingbird (hybrid) Calypte anna x Selasphorus rufusLast observed by Scott Carey on 6 Sep 2020
- Herring x Glaucous Gull (hybrid) Larus argentatus x hyperboreusLast observed by William Legge on 15 Jan 2022
- Western x Glaucous-winged Gull (hybrid) Larus occidentalis x glaucescensLast observed by Dan Singer on 18 Apr 2024
- Herring x Glaucous-winged Gull (hybrid) Larus argentatus x glaucescensLast observed by Connor Cochrane on 10 Mar 2024
- Glaucous x Glaucous-winged Gull (hybrid) Larus hyperboreus x glaucescensLast observed by Peter Pyle on 16 Dec 2023
- Spotted x Barred Owl (hybrid) Strix occidentalis x variaLast observed by Aaron Michael on 11 Jul 2014
- Red-naped x Red-breasted Sapsucker (hybrid) Sphyrapicus nuchalis x ruberLast observed by Mark Stephenson on 16 Dec 2023
- Golden-crowned x White-throated Sparrow (hybrid) Zonotrichia atricapilla x albicollisLast observed by Mark Schulist on 25 Nov 2017
- Bullock's x Baltimore Oriole (hybrid) Icterus bullockii x galbulaLast observed by Marin County Historical Record on 20 Oct 1981
- Townsend's x Hermit Warbler (hybrid) Setophaga townsendi x occidentalisLast observed by Point Blue Palomarin Field Station on 18 Sep 2023
- Lazuli x Indigo Bunting (hybrid) Passerina amoena x cyaneaLast observed by Dan Singer on 22 Jul 2016
Additional Taxa (179)
- Domestic goose sp. (Domestic type) Anser sp. (Domestic type)Last observed by Lucas Corneliussen on 7 Apr 2024
- Blue-winged/Cinnamon Teal Spatula discors/cyanopteraLast observed by Anonymous eBirder on 22 Mar 2024
- Western/Clark's Grebe Aechmophorus occidentalis/clarkiiLast observed by Nils Warnock on 25 Apr 2024
- Rock/Band-tailed Pigeon Columba livia/Patagioenas fasciataLast observed by Robert Hinz on 9 Nov 2016
- Eastern/Mexican Whip-poor-will Antrostomus vociferus/arizonaeLast observed by John King on 27 Sep 2022
- Anna's/Costa's Hummingbird Calypte anna/costaeLast observed by Erica Rutherford/ John Colbert on 4 Sep 2021
- Rufous/Allen's Hummingbird Selasphorus rufus/sasinLast observed by Point Blue Palomarin Field Station on 23 Apr 2024
- American/Pacific Golden-Plover (Lesser Golden-Plover) Pluvialis dominica/fulvaLast observed by Eddie Monson on 14 Oct 2023
- Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceusLast observed by Sam Zuckerman on 24 Apr 2024
- Red/Red-necked Phalarope Phalaropus fulicarius/lobatusLast observed by Teale Fristoe on 15 Sep 2023
- Gray-tailed/Wandering Tattler Tringa brevipes/incanaLast observed by Daniel Froehlich on 24 May 1998
- large shorebird sp. Scolopacidae sp. (large shorebird sp.)Last observed by Peter Pyle on 21 Jan 2024
- Long-tailed/Parasitic Jaeger Stercorarius longicaudus/parasiticusLast observed by Lucas Corneliussen on 3 Oct 2021
- Parasitic/Pomarine Jaeger Stercorarius parasiticus/pomarinusLast observed by Ethan Monk on 10 Nov 2023
- Scripps's/Guadalupe Murrelet (Xantus's Murrelet) Synthliboramphus scrippsi/hypoleucusLast observed by Lucas Corneliussen on 3 Sep 2023
- Scripps's/Craveri's Murrelet Synthliboramphus scrippsi/craveriLast observed by Alan Wight on 20 Aug 2017
- Scripps's/Guadalupe/Craveri's Murrelet Synthliboramphus scrippsi/hypoleucus/craveriLast observed by Alan Wight on 3 Sep 2023
- Herring/Lesser Black-backed Gull Larus argentatus/fuscusLast observed by Max Benningfield on 24 Jan 2021
- Western/Glaucous-winged Gull Larus occidentalis/glaucescensLast observed by Teale Fristoe on 20 Jan 2024
- white-winged gull sp. Larus sp. (white-winged gull sp.)Last observed by Torin Waters 🦉 on 17 Oct 2023
- storm-petrel sp. (dark-rumped) Oceanitidae/Hydrobatidae sp. (dark-rumped)Last observed by Everett Clark on 18 Sep 2015
- storm-petrel sp. (white-rumped) Oceanitidae/Hydrobatidae sp. (white-rumped)Last observed by Everett Clark on 18 Sep 2015
- Galapagos/Hawaiian Petrel (Dark-rumped Petrel) Pterodroma phaeopygia/sandwichensisLast observed by Scott Terrill on 16 Aug 2009
- Sooty/Short-tailed Shearwater Ardenna grisea/tenuirostrisLast observed by Abbotts Lagoon CBC Area #23 on 16 Dec 2023
- black-and-white shearwater sp. Puffinus sp. (black-and-white shearwater sp.)Last observed by Connor Cochrane on 5 Feb 2024
- Sharp-shinned/Cooper's Hawk Accipiter striatus/cooperiiLast observed by James Castle Gaither Jr on 21 Apr 2024
- Golden/Bald Eagle Aquila chrysaetos/Haliaeetus leucocephalusLast observed by Marc Vendetti on 20 Feb 2024
- Yellow-bellied/Red-naped Sapsucker Sphyrapicus varius/nuchalisLast observed by Max Benningfield on 16 Dec 2023
- Mitred/Red-masked Parakeet Psittacara mitratus/erythrogenysLast observed by Brian Browne on 27 Nov 2020
- parakeet sp. Psittaciformes sp. (parakeet sp.)Last observed by Point Blue Palomarin Field Station on 30 Mar 2015
- Alder/Willow Flycatcher (Traill's Flycatcher) Empidonax alnorum/trailliiLast observed by Durrell Kapan on 26 Sep 2022
- Hammond's/Dusky Flycatcher Empidonax hammondii/oberholseriLast observed by Dan Singer on 13 May 2014
- Cassin's/Western Kingbird Tyrannus vociferans/verticalisLast observed by Nils Warnock on 25 Apr 2021
- yellow-bellied kingbird sp. Tyrannus sp. (yellow-bellied)Last observed by Lucas Corneliussen on 7 Jun 2023
- Cassin's/Blue-headed Vireo Vireo cassinii/solitariusLast observed by Joshua Greenfield on 24 Sep 2023
- solitary vireo sp. Vireo cassinii/solitarius/plumbeusLast observed by Lucas Corneliussen on 20 Nov 2023
- Red-eyed/Yellow-green Vireo Vireo olivaceus/flavoviridisLast observed by Mark Stephenson on 29 Sep 2020
- Tree/Violet-green Swallow Tachycineta bicolor/thalassinaLast observed by Brendan Champlin on 21 Apr 2024
- new world goldfinch sp. Spinus sp. (goldfinch sp.)Last observed by Point Blue Palomarin Field Station on 25 Apr 2024
- Sagebrush/Bell's Sparrow (Sage Sparrow) Artemisiospiza nevadensis/belliLast observed by Point Blue Palomarin Field Station on 16 May 2005
- Lincoln's/Swamp Sparrow Melospiza lincolnii/georgianaLast observed by Connor Cochrane NFC Station on 28 Oct 2021
- Bullock's/Baltimore Oriole Icterus bullockii/galbulaLast observed by Lucas stephenson on 17 Sep 2023
- Red-winged/Tricolored Blackbird Agelaius phoeniceus/tricolorLast observed by Andy Willats on 6 Apr 2024
- Rusty/Brewer's Blackbird Euphagus carolinus/cyanocephalusLast observed by Mark Stephenson on 28 Dec 2016
- Connecticut/MacGillivray's/Mourning Warbler Oporornis/Geothlypis sp. (Mourning-type)Last observed by Alex Merritt on 10 Sep 2017
- MacGillivray's/Mourning Warbler Geothlypis tolmiei/philadelphiaLast observed by Lucas stephenson on 11 Oct 2020
- Bay-breasted/Blackpoll Warbler Setophaga castanea/striataLast observed by Linda Pittman on 4 Sep 2011
- Black-throated Gray/Townsend's Warbler Setophaga nigrescens/townsendiLast observed by Rajan Rao on 30 Sep 2023
- Black-throated Gray/Hermit Warbler Setophaga nigrescens/occidentalisLast observed by Chris Conard on 8 Jul 2023
- Townsend's/Hermit Warbler Setophaga townsendi/occidentalisLast observed by Connor Cochrane on 23 Jan 2024
- Rose-breasted/Black-headed Grosbeak Pheucticus ludovicianus/melanocephalusLast observed by Everett Clark on 18 Jun 2023