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Union Bay Natural Area/Montlake Fill
Illustrated Checklist
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Native and Naturalized (265)
January February March April May June July August September October November December generic.week Frequency 0 generic.week Frequency 0 generic.week Frequency 0 generic.week Frequency 0 generic.week Frequency 0 generic.week Frequency 0 generic.week Frequency 0 generic.week Frequency 0 generic.week Frequency 0 generic.week Frequency 0 generic.week Frequency 0 generic.week Frequency 0 generic.week Frequency 0 generic.week Frequency 0 generic.week Frequency 0 generic.week Frequency 0 generic.week Frequency 0 generic.week Frequency 0 generic.week Frequency 0 generic.week Frequency 0 generic.week Frequency 0 generic.week Frequency 0 generic.week Frequency 0 generic.week Frequency 0 generic.week Frequency 0 generic.week Frequency 0 generic.week Frequency 0 generic.week Frequency 0 generic.week Frequency 0.3 generic.week Frequency 0.3 generic.week Frequency 0.3 generic.week Frequency 0 generic.week Frequency 0 generic.week Frequency 0 generic.week Frequency 0 generic.week Frequency 0 generic.week Frequency 0 generic.week Frequency 0 generic.week Frequency 0 generic.week Frequency 0 generic.week Frequency 0 generic.week Frequency 0 generic.week Frequency 0 generic.week Frequency 0 generic.week Frequency 0 generic.week Frequency 0 generic.week Frequency 0 generic.week Frequency 0 Weekly frequency of eBird observations Last observed by Robert Thorn on 18 Aug 1988Audio needed Add yours
Exotic: Provisional (1)
Exotic: Escapee (9)
Hybrids (12)
- Swan Goose x Canada Goose (hybrid) Anser cygnoides x Branta canadensisLast observed by Alex Tey on 31 Jul 2020Audio needed Add yours
- Domestic goose sp. x Canada Goose (hybrid) Anser sp. (Domestic type) x Branta canadensisLast observed by Becky L on 5 Jun 2024Audio needed Add yours
- Blue-winged x Cinnamon Teal (hybrid) Spatula discors x cyanopteraLast observed by Matt Dalessio on 11 May 2019Audio needed Add yours
- Gadwall x American Wigeon (hybrid) Mareca strepera x americanaLast observed by John Leszczynski on 25 May 2019Audio needed Add yours
- Eurasian x American Wigeon (hybrid) Mareca penelope x americanaLast observed by Liam Wallace on 10 Jan 2025Audio needed Add yours
- American Wigeon x Mallard (hybrid) Mareca americana x Anas platyrhynchosLast observed by Evan Houston on 8 Nov 2014Audio needed Add yours
- American Wigeon x Green-winged Teal (hybrid) Mareca americana x Anas creccaLast observed by Louis Kreemer on 11 Apr 2023Audio needed Add yours
- Ring-necked Duck x Lesser Scaup (hybrid) Aythya collaris x affinisLast observed by David Robichaud on 30 Apr 2024Audio needed Add yours
- Ring-necked Duck x scaup sp. (hybrid) Aythya collaris x marila/affinisLast observed by Louis Kreemer on 1 May 2024Audio needed Add yours
- Western x Glaucous-winged Gull (hybrid) Larus occidentalis x glaucescensLast observed by Alex Meilleur on 13 Apr 2025Audio needed Add yours
- American Herring x Glaucous-winged Gull (hybrid) Larus smithsonianus x glaucescensLast observed by Anonymous eBirder on 27 Dec 2024Audio needed Add yours
- Western x Clark's Grebe (hybrid) Aechmophorus occidentalis x clarkiiLast observed by Evan Houston on 14 Oct 2014Audio needed Add yours
Additional Taxa (83)
- Snow/Ross's Goose Anser caerulescens/rossiiLast observed by Alexander Sowers on 31 Oct 2020Audio needed Add yours
- Domestic goose sp. (Domestic type) Anser sp. (Domestic type)Last observed by Wayne Palsson on 19 Jun 2024Audio needed Add yours
- Cackling/Canada Goose Branta hutchinsii/canadensisLast observed by Abhijit Lele on 30 Mar 2025Audio needed Add yours
- Trumpeter/Tundra Swan Cygnus buccinator/columbianusLast observed by Emily Dolive on 23 Dec 2024Audio needed Add yours
- Blue-winged/Cinnamon Teal Spatula discors/cyanopteraLast observed by Anonymous eBirder on 14 Sep 2023Audio needed Add yours
- Eurasian/American Wigeon Mareca penelope/americanaLast observed by Norm Donelson on 24 Sep 2024Audio needed Add yours
- dabbling duck sp. Anatidae sp. (dabbling duck sp.)Last observed by Micah Grove on 24 Mar 2025Audio needed Add yours
- Greater/Lesser Scaup Aythya marila/affinisLast observed by Alec Roseto on 11 Apr 2025Audio needed Add yours
- Common/Barrow's Goldeneye Bucephala clangula/islandicaLast observed by David Robichaud on 28 Nov 2024Audio needed Add yours
- Common/Red-breasted Merganser Mergus merganser/serratorLast observed by Ryan Carle on 12 Jan 2025Audio needed Add yours
- Rock/Band-tailed Pigeon Columba livia/Patagioenas fasciataLast observed by David Robichaud on 25 Dec 2024Audio needed Add yours
- pigeon/dove sp. Columbidae sp.Last observed by Anonymous eBirder on 10 Apr 2025Audio needed Add yours
- hummingbird sp. Trochilidae sp.Last observed by Anonymous eBirder on 2 Apr 2025Audio needed Add yours
- rail/crake sp. Rallidae sp. (rail/crake sp.)Last observed by jingyao wu on 20 Jan 2024Audio needed Add yours
- Black-bellied Plover/golden-plover sp. Pluvialis sp.Last observed by Y Y on 19 Nov 2022Audio needed Add yours
- Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceusLast observed by Kevin Hayes on 29 Sep 2024Audio needed Add yours
- Lesser/Greater Yellowlegs Tringa flavipes/melanoleucaLast observed by Alexander Christensen on 20 Sep 2021Audio needed Add yours
- Western/Semipalmated Sandpiper Calidris mauri/pusillaLast observed by Julia Hansbrough on 28 Aug 2021Audio needed Add yours
- large shorebird sp. Charadriiformes sp. (large shorebird sp.)Last observed by Owen Dreessen on 24 Sep 2024Audio needed Add yours
- shorebird sp. Charadriiformes sp. (shorebird sp.)Last observed by Kathy Slettebak on 19 Feb 2025Audio needed Add yours
- Common/Short-billed Gull Larus canus/brachyrhynchusLast observed by Matt Dufort on 6 Jan 2018Audio needed Add yours
- Western/Glaucous-winged Gull Larus occidentalis/glaucescensLast observed by Anonymous eBirder on 14 Apr 2025Audio needed Add yours
- American Herring/Iceland Gull Larus smithsonianus/glaucoidesLast observed by Alexander Sowers on 27 Nov 2021Audio needed Add yours
- Horned/Eared Grebe Podiceps auritus/nigricollisLast observed by Mary Ann Beauchemin on 27 Dec 2022Audio needed Add yours
- Western/Clark's Grebe Aechmophorus occidentalis/clarkiiLast observed by Heron G on 20 Sep 2024Audio needed Add yours
- cormorant sp. Phalacrocoracidae sp.Last observed by Derek Cullen on 9 Apr 2025Audio needed Add yours
- Sharp-shinned/Cooper's Hawk Accipiter striatus/Astur cooperiiLast observed by Rachel W. on 13 Apr 2025Audio needed Add yours
- Accipitrine hawk sp. (former Accipiter sp.) Aerospiza/Tachyspiza/Accipiter/Astur sp.Last observed by Kurt Ayalp on 30 Mar 2025Audio needed Add yours
- Golden/Bald Eagle Aquila chrysaetos/Haliaeetus leucocephalusLast observed by Ellen Peterson on 8 Feb 2020Audio needed Add yours
- Buteo/eagle sp. Buteo/eagle sp.Last observed by Katherine McDermott on 9 Apr 2025Audio needed Add yours
- hawk sp. Accipitridae sp. (hawk sp.)Last observed by Kurt Ayalp on 30 Mar 2025Audio needed Add yours
- Red-naped/Red-breasted Sapsucker Sphyrapicus nuchalis/ruberLast observed by Polly Lenssen on 26 Dec 2023Audio needed Add yours
- Downy/Hairy Woodpecker Dryobates pubescens/villosusLast observed by James Miller on 30 Mar 2025Audio needed Add yours
- diurnal raptor sp. Accipitriformes/Falconiformes sp.Last observed by SJ R on 1 Feb 2025Audio needed Add yours
- Hammond's/Dusky Flycatcher Empidonax hammondii/oberholseriLast observed by David Robichaud on 8 May 2024Audio needed Add yours
- new world flycatcher sp. Tyrannidae sp.Last observed by Zachary Rosenlund on 28 Aug 2024Audio needed Add yours
- crow sp. Corvus sp. (crow sp.)Last observed by Jim & Ann Eachus on 12 Jun 2018Audio needed Add yours
- Tree/Violet-green Swallow Tachycineta bicolor/thalassinaLast observed by Heron G on 12 Apr 2025Audio needed Add yours
- Ruby-crowned/Golden-crowned Kinglet Corthylio calendula/Regulus satrapaLast observed by Kristina Westbrook on 2 Mar 2025Audio needed Add yours
- Varied Thrush/American Robin Ixoreus naevius/Turdus migratoriusLast observed by Liam Wallace on 12 Nov 2024Audio needed Add yours
- Bohemian/Cedar Waxwing Bombycilla garrulus/cedrorumLast observed by Xin Cen on 9 Jan 2025Audio needed Add yours
- House/Purple Finch Haemorhous mexicanus/purpureusLast observed by K. Lal on 1 Feb 2025Audio needed Add yours
- Acanthis/Spinus sp. Acanthis/Spinus sp.Last observed by Anonymous eBirder on 1 Dec 2024Audio needed Add yours
- new world sparrow sp. Passerellidae sp.Last observed by Heron G on 7 Feb 2025
© Matt Dufort
More: 1 - Black-throated Gray/Townsend's Warbler Setophaga nigrescens/townsendiLast observed by David Robichaud on 12 May 2024Audio needed Add yours
- Rose-breasted/Black-headed Grosbeak Pheucticus ludovicianus/melanocephalusLast observed by Alexander Sowers on 1 Jun 2022Audio needed Add yours
