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Polk
Illustrated Checklist
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Native and Naturalized (313)
Exotic: Provisional (1)
Exotic: Escapee (7)
Hybrids (9)
- Greater White-fronted x Cackling Goose (hybrid) Anser albifrons x Branta hutchinsiiLast observed by Rebecca Hart on 22 Feb 2024
- Blue-winged x Cinnamon Teal (hybrid) Spatula discors x cyanopteraLast observed by Susan Kirkbride on 23 May 2023
- Eurasian x American Wigeon (hybrid) Mareca penelope x americanaLast observed by Deanna Emig on 23 Jan 2023
- Tufted Duck x Lesser Scaup (hybrid) Aythya fuligula x affinisLast observed by Nick Lethaby on 7 Jan 1989
- Tufted Duck x scaup sp. (hybrid) Aythya fuligula x marila/affinisLast observed by Tim Shelmerdine on 20 Feb 1989
- Western x Clark's Grebe (hybrid) Aechmophorus occidentalis x clarkiiLast observed by W. Douglas Robinson on 20 Feb 2022
- Herring x Glaucous Gull (hybrid) Larus argentatus x hyperboreusLast observed by Roger Robb on 30 Jan 2024
- Western x Glaucous-winged Gull (hybrid) Larus occidentalis x glaucescensLast observed by Jonathan Reimer-Berg on 22 Feb 2024
- Red-naped x Red-breasted Sapsucker (hybrid) Sphyrapicus nuchalis x ruberLast observed by William Tice on 13 Jul 2021
Additional Taxa (85)
- Domestic goose sp. (Domestic type) Anser sp. (Domestic type)Last observed by Jonathan Reimer-Berg on 3 Jan 2024
- Blue-winged/Cinnamon Teal Spatula discors/cyanopteraLast observed by Johnny Westland on 11 Sep 2023
- Eurasian/American Wigeon Mareca penelope/americanaLast observed by Jonathan Reimer-Berg on 9 Mar 2024
- Common/Barrow's Goldeneye Bucephala clangula/islandicaLast observed by Neil Bjorklund on 19 Jan 2023
- Rufous/Allen's Hummingbird Selasphorus rufus/sasinLast observed by Courtney Kelly Jett on 28 Mar 2021
- Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceusLast observed by Kyle Landstra on 14 Apr 2024
- Lesser/Greater Yellowlegs Tringa flavipes/melanoleucaLast observed by Jonathan Reimer-Berg on 19 Apr 2024
- Western/Semipalmated Sandpiper Calidris mauri/pusillaLast observed by Nikki Cross Jacob Keen on 12 Sep 2022
- Western/Glaucous-winged Gull Larus occidentalis/glaucescensLast observed by Miles Scheuering on 21 Jan 2024
- Sharp-shinned/Cooper's Hawk Accipiter striatus/cooperiiLast observed by Matthew Fischer on 24 Mar 2024
- Yellow-bellied/Red-naped Sapsucker Sphyrapicus varius/nuchalisLast observed by V.B. Meyer on 3 Jan 2020
- Downy/Hairy Woodpecker Dryobates pubescens/villosusLast observed by Ben Martin Horst on 28 Jan 2024
- Hammond's/Dusky Flycatcher Empidonax hammondii/oberholseriLast observed by Courtney Kelly Jett on 14 May 2021
- Ruby-crowned/Golden-crowned Kinglet Corthylio calendula/Regulus satrapaLast observed by Courtney Kelly Jett on 5 Dec 2020
- Purple/Cassin's Finch Haemorhous purpureus/cassiniiLast observed by Courtney Kelly Jett on 14 May 2021
- Red-winged/Tricolored Blackbird Agelaius phoeniceus/tricolorLast observed by Lou Nelson on 21 Mar 2023
- MacGillivray's/Mourning Warbler Geothlypis tolmiei/philadelphiaLast observed by Jonathan Reimer-Berg on 7 Jun 2023
- Black-throated Gray/Hermit Warbler Setophaga nigrescens/occidentalisLast observed by Jonathan Reimer-Berg on 20 Jul 2023
- Rose-breasted/Black-headed Grosbeak Pheucticus ludovicianus/melanocephalusLast observed by Caleb Centanni on 23 Jun 2021