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San Juan
Illustrated Checklist
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Native and Naturalized (295)
Exotic: Provisional (1)
Exotic: Escapee (8)
Hybrids (7)
- Graylag x Canada Goose (hybrid) Anser anser x Branta canadensisLast observed by Evan Houston on 29 Dec 2015
- Domestic goose sp. x Canada Goose (hybrid) Anser sp. (Domestic type) x Branta canadensisLast observed by Michelle Savoie on 13 Feb 2022
- Eurasian x American Wigeon (hybrid) Mareca penelope x americanaLast observed by Tyler Davis on 16 Jan 2024
- Common x Barrow's Goldeneye (hybrid) Bucephala clangula x islandicaLast observed by Ryan Merrill on 29 Mar 2013
- Western x Glaucous-winged Gull (hybrid) Larus occidentalis x glaucescensLast observed by Ross Lockwood on 21 Apr 2024
- Herring x Glaucous-winged Gull (hybrid) Larus argentatus x glaucescensLast observed by Sam Jolly on 9 Mar 2024
- Red-naped x Red-breasted Sapsucker (hybrid) Sphyrapicus nuchalis x ruberLast observed by Ryan Merrill on 15 Sep 2018
Additional Taxa (95)
- Domestic goose sp. (Domestic type) Anser sp. (Domestic type)Last observed by Spencer Cross on 4 Feb 2023
- Common/Red-breasted Merganser Mergus merganser/serratorLast observed by Ross Lockwood on 9 Mar 2024
- Western/Clark's Grebe Aechmophorus occidentalis/clarkiiLast observed by Sheila Bolka on 23 Oct 2022
- Rock/Band-tailed Pigeon Columba livia/Patagioenas fasciataLast observed by Matt Cahill on 29 Aug 2023
- American/Pacific Golden-Plover (Lesser Golden-Plover) Pluvialis dominica/fulvaLast observed by Phil Green on 18 Sep 2023
- Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceusLast observed by Ross Lockwood on 4 Nov 2023
- Sharp-tailed/Pectoral Sandpiper Calidris acuminata/melanotosLast observed by Ross Lockwood on 13 Oct 2022
- Long-tailed/Parasitic Jaeger Stercorarius longicaudus/parasiticusLast observed by Ryan Merrill on 2 Sep 2021
- Parasitic/Pomarine Jaeger Stercorarius parasiticus/pomarinusLast observed by Tyler Davis on 1 Sep 2022
- Western/Glaucous-winged Gull Larus occidentalis/glaucescensLast observed by Ross Lockwood on 21 Apr 2024
- Cooper's Hawk/American Goshawk Accipiter cooperii/atricapillusLast observed by Ryan Merrill on 31 Mar 2013
- Golden/Bald Eagle Aquila chrysaetos/Haliaeetus leucocephalusLast observed by Ross Lockwood on 3 Dec 2023
- Red-naped/Red-breasted Sapsucker Sphyrapicus nuchalis/ruberLast observed by Joseph Turmes on 19 Jun 2023
- Downy/Hairy Woodpecker Dryobates pubescens/villosusLast observed by Anonymous eBirder on 16 Feb 2024
- Ruby-crowned/Golden-crowned Kinglet Corthylio calendula/Regulus satrapaLast observed by Ross Lockwood on 20 Nov 2023
- Varied Thrush/American Robin Ixoreus naevius/Turdus migratoriusLast observed by Ross Lockwood on 17 Dec 2023
- Black-throated Gray/Townsend's Warbler Setophaga nigrescens/townsendiLast observed by Ryan Merrill on 18 Jun 2023