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Multnomah
Illustrated Checklist
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Native and Naturalized (352)
Exotic: Escapee (20)
Hybrids (29)
- Snow x Cackling Goose (hybrid) Anser caerulescens x Branta hutchinsiiLast observed by Andrew S. Aldrich on 16 Oct 2021
- Greater White-fronted x Cackling Goose (hybrid) Anser albifrons x Branta hutchinsiiLast observed by Andrew S. Aldrich on 26 Nov 2022
- Greater White-fronted x Canada Goose (hybrid) Anser albifrons x Branta canadensisLast observed by Darren Ferris on 2 Oct 2023
- Graylag x Canada Goose (hybrid) Anser anser x Branta canadensisLast observed by Don Allred on 15 Feb 2024
- Domestic goose sp. x Canada Goose (hybrid) Anser sp. (Domestic type) x Branta canadensisLast observed by Andrew S. Aldrich on 4 Nov 2023
- Blue-winged x Cinnamon Teal (hybrid) Spatula discors x cyanopteraLast observed by Christopher Hinkle on 1 May 2020
- Eurasian x American Wigeon (hybrid) Mareca penelope x americanaLast observed by Derek MacDicken on 23 Dec 2023
- Muscovy Duck x Mallard (hybrid) Cairina moschata x Anas platyrhynchosLast observed by Jack Holley on 11 Dec 2019
- Wood Duck x Mallard (hybrid) Aix sponsa x Anas platyrhynchosLast observed by Lauren Helton on 21 Apr 2010
- Gadwall x Mallard (hybrid) Mareca strepera x Anas platyrhynchosLast observed by Craig Tumer on 3 Mar 2012
- Mallard x Northern Pintail (hybrid) Anas platyrhynchos x acutaLast observed by Adrian Hinkle on 13 Dec 2009
- Ring-necked Duck x scaup sp. (hybrid) Aythya collaris x marila/affinisLast observed by Christopher Hinkle on 1 Jan 2021
- Tufted Duck x scaup sp. (hybrid) Aythya fuligula x marila/affinisLast observed by Andrew S. Aldrich on 15 Apr 2023
- Common x Barrow's Goldeneye (hybrid) Bucephala clangula x islandicaLast observed by Peyton Cook on 1 Dec 2018
- Western x Clark's Grebe (hybrid) Aechmophorus occidentalis x clarkiiLast observed by Jenny Jones on 5 Oct 2023
- Anna's x Costa's Hummingbird (hybrid) Calypte anna x costaeLast observed by Christopher Hinkle on 15 Dec 2021
- Anna's x Rufous Hummingbird (hybrid) Calypte anna x Selasphorus rufusLast observed by Kate Atkins on 17 Apr 2020
- Herring x Glaucous Gull (hybrid) Larus argentatus x hyperboreusLast observed by Nick Mrvelj on 8 Jan 2024
- Western x Glaucous-winged Gull (hybrid) Larus occidentalis x glaucescensLast observed by Kyle Landstra on 23 Apr 2024
- Herring x Glaucous-winged Gull (hybrid) Larus argentatus x glaucescensLast observed by Nolan A. Walker on 14 Mar 2024
- Glaucous x Glaucous-winged Gull (hybrid) Larus hyperboreus x glaucescensLast observed by Christopher Hinkle on 14 Feb 2021
- Double-crested x Neotropic Cormorant (hybrid) Nannopterum auritum x brasilianumLast observed by Thomas Magarian on 12 Aug 2022
- Spotted x Barred Owl (hybrid) Strix occidentalis x variaLast observed by Scott Carpenter on 30 Jun 2019
- Yellow-bellied x Red-naped Sapsucker (hybrid) Sphyrapicus varius x nuchalisLast observed by Chris Armstrong on 25 Apr 2020
- Red-naped x Red-breasted Sapsucker (hybrid) Sphyrapicus nuchalis x ruberLast observed by Jenny Jones on 14 Jan 2022
- White-crowned x Golden-crowned Sparrow (hybrid) Zonotrichia leucophrys x atricapillaLast observed by Nick Mrvelj on 14 Apr 2018
- Golden-crowned x White-throated Sparrow (hybrid) Zonotrichia atricapilla x albicollisLast observed by Andy Frank on 22 Nov 2023
- Townsend's x Hermit Warbler (hybrid) Setophaga townsendi x occidentalisLast observed by Kyle Landstra on 4 Jun 2023
- Lazuli x Indigo Bunting (hybrid) Passerina amoena x cyaneaLast observed by Allison Lake on 4 Jul 2023
Additional Taxa (131)
- Domestic goose sp. (Domestic type) Anser sp. (Domestic type)Last observed by Andy Frank on 19 Apr 2024
- Eurasian/American Wigeon Mareca penelope/americanaLast observed by Mary Lynn "Em" Scattaregia on 7 Mar 2024
- Surf/Black Scoter Melanitta perspicillata/americanaLast observed by Andrew S. Aldrich on 10 Oct 2020
- Rock/Band-tailed Pigeon Columba livia/Patagioenas fasciataLast observed by Colby Neuman on 2 May 2012
- American/Pacific Golden-Plover (Lesser Golden-Plover) Pluvialis dominica/fulvaLast observed by Craig Tumer on 7 May 2022
- Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceusLast observed by Spencer Parsons on 5 Nov 2023
- Sharp-tailed/Pectoral Sandpiper Calidris acuminata/melanotosLast observed by Elizabeth Ferber on 6 Oct 2023
- Western/Glaucous-winged Gull Larus occidentalis/glaucescensLast observed by Christopher Hinkle on 30 Mar 2024
- Masked/Nazca Booby Sula dactylatra/grantiLast observed by Oregon Bird Records Committee OBRC on 15 Aug 2006
- Double-crested/Neotropic Cormorant Nannopterum auritum/brasilianumLast observed by Colby Neuman on 22 Jun 2022
- Cooper's Hawk/American Goshawk Accipiter cooperii/atricapillusLast observed by Skip Russell on 10 May 2017
- Golden/Bald Eagle Aquila chrysaetos/Haliaeetus leucocephalusLast observed by Ross Barnes-Rickett on 25 Aug 2021
- Yellow-bellied/Red-naped Sapsucker Sphyrapicus varius/nuchalisLast observed by Abigail Harris on 26 Apr 2020
- Red-naped/Red-breasted Sapsucker Sphyrapicus nuchalis/ruberLast observed by Alon Averbuj on 24 Jul 2022
- large parakeet sp. (former Aratinga sp.) Eupsittula/Aratinga/Thectocercus/Psittacara sp.Last observed by Greg Gillson on 10 Jan 1987
- Hammond's/Dusky Flycatcher Empidonax hammondii/oberholseriLast observed by Colton Veltkamp on 28 Apr 2023
- Loggerhead/Northern Shrike Lanius ludovicianus/borealisLast observed by Darlene Betat on 27 Mar 2022
- California/Woodhouse's Scrub-Jay Aphelocoma californica/woodhouseiiLast observed by brad vrilakas on 9 May 2017
- Black-capped/Mountain Chickadee Poecile atricapillus/gambeliLast observed by Jay Withgott on 20 Oct 2023
- Tree/Violet-green Swallow Tachycineta bicolor/thalassinaLast observed by John S Powell on 23 Apr 2024
- Ruby-crowned/Golden-crowned Kinglet Corthylio calendula/Regulus satrapaLast observed by Drew Meyer on 1 Dec 2022
- Pacific/Winter Wren Troglodytes pacificus/hiemalisLast observed by Brodie Cass Talbott on 24 Oct 2023
- Varied Thrush/American Robin Ixoreus naevius/Turdus migratoriusLast observed by John Villagrana on 26 May 2021
- Spotted/Eastern Towhee (Rufous-sided Towhee) Pipilo maculatus/erythrophthalmusLast observed by Tim Shelmerdine on 16 Feb 2024
- Red-winged/Tricolored Blackbird Agelaius phoeniceus/tricolorLast observed by Kyle Landstra on 11 Feb 2023
- Rusty/Brewer's Blackbird Euphagus carolinus/cyanocephalusLast observed by Audrey Addison on 8 Jan 2023
- Black-throated Gray/Townsend's Warbler Setophaga nigrescens/townsendiLast observed by Kyle Landstra on 27 Apr 2022
- Black-throated Gray/Hermit Warbler Setophaga nigrescens/occidentalisLast observed by Christopher Hinkle on 20 May 2018
- Townsend's/Hermit Warbler Setophaga townsendi/occidentalisLast observed by Wendy Shoemaker on 14 Jun 2023
- Rose-breasted/Black-headed Grosbeak Pheucticus ludovicianus/melanocephalusLast observed by Nick Mrvelj on 15 May 2020