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Jefferson
Illustrated Checklist
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Native and Naturalized (321)
Exotic: Escapee (2)
Hybrids (5)
- Snow x Greater White-fronted Goose (hybrid) Anser caerulescens x albifronsLast observed by Corey Entriken on 2 Feb 2024
- Mallard x American Black Duck (hybrid) Anas platyrhynchos x rubripesLast observed by Franklin Miller on 27 Jan 2024
- Mallard x Northern Pintail (hybrid) Anas platyrhynchos x acutaLast observed by Ryan Andrews on 1 Feb 2020
- Herring x Glaucous Gull (hybrid) Larus argentatus x hyperboreusLast observed by Chao Jimmy Wu on 5 Mar 2016
- Red-tailed x Rough-legged Hawk (hybrid) Buteo jamaicensis x lagopusLast observed by Bryce Robinson on 15 Mar 2022
Additional Taxa (76)
- Domestic goose sp. (Domestic type) Anser sp. (Domestic type)Last observed by Kathy McDowell on 26 Nov 2022
- Trumpeter/Tundra Swan Cygnus buccinator/columbianusLast observed by Jennifer Delisle on 19 Feb 2023
- Common/Barrow's Goldeneye Bucephala clangula/islandicaLast observed by Dustin Kohler on 24 Dec 2022
- Common/Red-breasted Merganser Mergus merganser/serratorLast observed by Kathy McDowell on 15 Feb 2022
- Western/Clark's Grebe Aechmophorus occidentalis/clarkiiLast observed by Kathy Carroll on 11 Nov 2018
- Yellow-billed/Black-billed Cuckoo Coccyzus americanus/erythropthalmusLast observed by Terry Mannell on 18 May 2021
- Eastern/Mexican Whip-poor-will Antrostomus vociferus/arizonaeLast observed by Jennifer Delisle on 15 May 2011
- Ruby-throated/Black-chinned Hummingbird Archilochus colubris/alexandriLast observed by Anna Schmidt on 19 May 2023
- Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceusLast observed by John Schukman on 12 Aug 2023
- Lesser/Greater Yellowlegs Tringa flavipes/melanoleucaLast observed by Jennifer Delisle on 11 May 2023
- Yellow-crowned/Black-crowned Night Heron Nycticorax nycticorax/Nyctanassa violaceaLast observed by Terry Mannell on 30 May 2020
- Sharp-shinned/Cooper's Hawk Accipiter striatus/cooperiiLast observed by Linda Zempel on 17 Jan 2022
- Alder/Willow Flycatcher (Traill's Flycatcher) Empidonax alnorum/trailliiLast observed by Mick McHugh on 9 Sep 2023
- American/Fish Crow Corvus brachyrhynchos/ossifragusLast observed by Nicole Richardson on 23 Mar 2024
- Ruby-crowned/Golden-crowned Kinglet Corthylio calendula/Regulus satrapaLast observed by Matt Longabaugh on 31 Dec 2020
- Spizella sp./American Tree Sparrow Spizella/Spizelloides sp.Last observed by Glenn Caspers on 25 Feb 2012
- Spotted/Eastern Towhee (Rufous-sided Towhee) Pipilo maculatus/erythrophthalmusLast observed by Heidi Eaton on 10 Nov 2023
- Rusty/Brewer's Blackbird Euphagus carolinus/cyanocephalusLast observed by Linda Zempel on 17 Jan 2021
- Louisiana/Northern Waterthrush Parkesia motacilla/noveboracensisLast observed by Matt Longabaugh on 25 May 2021