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Snohomish
Illustrated Checklist
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Native and Naturalized (352)
Exotic: Provisional (1)
Exotic: Escapee (16)
Hybrids (24)
- Snow x Ross's Goose (hybrid) Anser caerulescens x rossiiLast observed by Evan Houston on 5 Apr 2015
- Domestic goose sp. x Canada Goose (hybrid) Anser sp. (Domestic type) x Branta canadensisLast observed by Denny Bolton on 20 Feb 2024
- Blue-winged x Cinnamon Teal (hybrid) Spatula discors x cyanopteraLast observed by Philip Dickinson on 11 May 2024
- Blue-winged Teal x Northern Shoveler (hybrid) Spatula discors x clypeataLast observed by David Poortinga on 5 Nov 2018
- Eurasian x American Wigeon (hybrid) Mareca penelope x americanaLast observed by Donald Jonasson on 21 Mar 2024
- Muscovy Duck x Mallard (hybrid) Cairina moschata x Anas platyrhynchosLast observed by Bob Schmidt on 4 Dec 2015
- American Wigeon x Mallard (hybrid) Mareca americana x Anas platyrhynchosLast observed by David Poortinga on 17 Jan 2017
- Mallard x American Black Duck (hybrid) Anas platyrhynchos x rubripesLast observed by Steven Mlodinow on 10 May 2009
- American Wigeon x Northern Pintail (hybrid) Mareca americana x Anas acutaLast observed by Ryan Merrill on 9 Mar 2008
- Tufted Duck x scaup sp. (hybrid) Aythya fuligula x marila/affinisLast observed by Greg Harrington on 26 Nov 2022
- Common x Barrow's Goldeneye (hybrid) Bucephala clangula x islandicaLast observed by Steven Mlodinow on 12 Nov 2009
- Northern Bobwhite x California Quail (hybrid) Colinus virginianus x Callipepla californicaLast observed by Jeff Huth on 4 Aug 2021
- Anna's x Rufous Hummingbird (hybrid) Calypte anna x Selasphorus rufusLast observed by Ryan Merrill on 14 May 2017
- Western x Glaucous-winged Gull (hybrid) Larus occidentalis x glaucescensLast observed by Steve Pink on 25 Jul 2024
- Herring x Glaucous-winged Gull (hybrid) Larus argentatus x glaucescensLast observed by Peter Erickson on 20 Apr 2024
- Glaucous x Glaucous-winged Gull (hybrid) Larus hyperboreus x glaucescensLast observed by Ann Marie Wood on 7 Mar 2016
- Spotted x Barred Owl (hybrid) Strix occidentalis x variaLast observed by Collin Vassallo on 12 Sep 2017
- Red-naped x Red-breasted Sapsucker (hybrid) Sphyrapicus nuchalis x ruberLast observed by Kellie Sagen 🦉 on 18 Jul 2024
- Tree x Violet-green Swallow (hybrid) Tachycineta bicolor x thalassinaLast observed by Steven Mlodinow on 1 Aug 2010
- Barn x Cliff Swallow (hybrid) Hirundo rustica x Petrochelidon pyrrhonotaLast observed by Steven Mlodinow on 13 Jun 2009
- Violet-green x Cliff Swallow (hybrid) Tachycineta thalassina x Petrochelidon pyrrhonotaLast observed by Steven Mlodinow on 25 Jul 2010
- White-crowned x Golden-crowned Sparrow (hybrid) Zonotrichia leucophrys x atricapillaLast observed by Alan Knue on 8 May 2022
- Song x Swamp Sparrow (hybrid) Melospiza melodia x georgianaLast observed by Steven Mlodinow on 18 Oct 2007
- Townsend's x Hermit Warbler (hybrid) Setophaga townsendi x occidentalisLast observed by Ryan Merrill on 14 Jul 2024
Additional Taxa (116)
- Domestic goose sp. (Domestic type) Anser sp. (Domestic type)Last observed by Douglas Resnick on 11 May 2024
- Cackling/Canada Goose Branta hutchinsii/canadensisLast observed by Baqir Al-Bahathly on 13 Apr 2024
- Blue-winged/Cinnamon Teal Spatula discors/cyanopteraLast observed by Nathan O'Reilly on 26 May 2024
- Eurasian/African Collared-Dove Streptopelia decaocto/roseogriseaLast observed by David Poortinga on 12 Dec 2018
- American/Pacific Golden-Plover (Lesser Golden-Plover) Pluvialis dominica/fulvaLast observed by Carol Riddell on 26 Sep 2020
- Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceusLast observed by Garrett Hughes on 18 May 2024
- Lesser/Greater Yellowlegs Tringa flavipes/melanoleucaLast observed by Philip Dickinson on 10 Jun 2024
- Western/Semipalmated Sandpiper Calidris mauri/pusillaLast observed by Kellie Sagen 🦉 on 24 Jul 2024
- large shorebird sp. Scolopacidae sp. (large shorebird sp.)Last observed by David Poortinga on 20 Oct 2023
- Long-tailed/Parasitic Jaeger Stercorarius longicaudus/parasiticusLast observed by Josh Adams on 3 Sep 2021
- Parasitic/Pomarine Jaeger Stercorarius parasiticus/pomarinusLast observed by Nathan O'Reilly on 4 Jun 2023
- Western/Glaucous-winged Gull Larus occidentalis/glaucescensLast observed by maxine reid on 25 Jul 2024
- Golden/Bald Eagle Aquila chrysaetos/Haliaeetus leucocephalusLast observed by maxine reid on 16 Apr 2024
- American Three-toed/Black-backed Woodpecker Picoides dorsalis/arcticusLast observed by Adrian Lee on 18 Aug 2018
- Hammond's/Dusky Flycatcher Empidonax hammondii/oberholseriLast observed by Josh Adams on 12 May 2023
- Tree/Violet-green Swallow Tachycineta bicolor/thalassinaLast observed by David Richman on 19 Jul 2024
- Ruby-crowned/Golden-crowned Kinglet Corthylio calendula/Regulus satrapaLast observed by Nathan O'Reilly on 26 Apr 2024
- Varied Thrush/American Robin Ixoreus naevius/Turdus migratoriusLast observed by Mark Walton on 8 Jun 2024
- Spotted/Eastern Towhee (Rufous-sided Towhee) Pipilo maculatus/erythrophthalmusLast observed by Catherine Salki on 10 Oct 2021
- Black-throated Gray/Townsend's Warbler Setophaga nigrescens/townsendiLast observed by Alexander Sowers on 7 Jul 2024
- Townsend's/Hermit Warbler Setophaga townsendi/occidentalisLast observed by Ryan Merrill on 14 Jul 2024