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Marymoor Park
Illustrated Checklist
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Native and Naturalized (244)
Exotic: Escapee (4)
Hybrids (7)
- Blue-winged x Cinnamon Teal (hybrid) Spatula discors x cyanopteraLast observed by Marymoor Survey on 6 May 1999
- Eurasian x American Wigeon (hybrid) Mareca penelope x americanaLast observed by Marymoor Survey on 7 Feb 2019
- Gadwall x Mallard (hybrid) Mareca strepera x Anas platyrhynchosLast observed by Grace Oliver on 27 Apr 2012
- Anna's x Rufous Hummingbird (hybrid) Calypte anna x Selasphorus rufusLast observed by Charlie Wright on 11 Apr 2010
- Western x Glaucous-winged Gull (hybrid) Larus occidentalis x glaucescensLast observed by Marymoor Survey on 25 Apr 2024
- Herring x Glaucous-winged Gull (hybrid) Larus argentatus x glaucescensLast observed by Natalee Bozzi on 15 Oct 2020
- Red-naped x Red-breasted Sapsucker (hybrid) Sphyrapicus nuchalis x ruberLast observed by Heidi Belinsky on 24 Dec 2021
Additional Taxa (75)
- Domestic goose sp. (Domestic type) Anser sp. (Domestic type)Last observed by Bill Hubbard on 14 Jun 2021
- Common/Red-breasted Merganser Mergus merganser/serratorLast observed by Bill Hubbard on 20 Feb 2021
- Western/Clark's Grebe Aechmophorus occidentalis/clarkiiLast observed by Kathy Kuyper on 20 Sep 2021
- Rock/Band-tailed Pigeon Columba livia/Patagioenas fasciataLast observed by Mason Flint on 22 Sep 2022
- Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceusLast observed by Jordan Roderick on 21 Sep 2017
- Long-tailed/Parasitic Jaeger Stercorarius longicaudus/parasiticusLast observed by Marymoor Survey on 18 Sep 2008
- Western/Glaucous-winged Gull Larus occidentalis/glaucescensLast observed by Jim Jordan on 15 Jun 2024
- Red-naped/Red-breasted Sapsucker Sphyrapicus nuchalis/ruberLast observed by Paula Burch on 16 Apr 2021
- Hammond's/Dusky Flycatcher Empidonax hammondii/oberholseriLast observed by Marymoor Survey on 5 Sep 2013
- Loggerhead/Northern Shrike Lanius ludovicianus/borealisLast observed by Marymoor Survey on 14 Mar 2024
- Tree/Violet-green Swallow Tachycineta bicolor/thalassinaLast observed by Marymoor Survey on 18 Jul 2024
- Ruby-crowned/Golden-crowned Kinglet Corthylio calendula/Regulus satrapaLast observed by Aiden Aron on 17 Dec 2023
- Varied Thrush/American Robin Ixoreus naevius/Turdus migratoriusLast observed by Mason Flint on 14 Mar 2019
- Black-throated Gray/Townsend's Warbler Setophaga nigrescens/townsendiLast observed by Eric Crockett on 8 May 2024