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Polk
Illustrated Checklist
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Native and Naturalized (272)
Exotic: Provisional (1)
Exotic: Escapee (2)
Hybrids (4)
- Snow x Canada Goose (hybrid) Anser caerulescens x Branta canadensisLast observed by Robin Maercklein on 5 Jan 2011
- Mallard x American Black Duck (hybrid) Anas platyrhynchos x rubripesLast observed by Robin Maercklein on 2 Aug 2021
- Golden-winged x Blue-winged Warbler (hybrid) Vermivora chrysoptera x cyanopteraLast observed by Robin Maercklein on 13 Aug 2017
- Brewster's Warbler (hybrid) Vermivora chrysoptera x cyanoptera (F1 hybrid)Last observed by Eric Lind on 9 Sep 2019
Additional Taxa (66)
- Domestic goose sp. (Domestic type) Anser sp. (Domestic type)Last observed by Robin Maercklein on 7 Mar 2024
- Trumpeter/Tundra Swan Cygnus buccinator/columbianusLast observed by Robin Maercklein on 23 Oct 2023
- Yellow-billed/Black-billed Cuckoo Coccyzus americanus/erythropthalmusLast observed by Allen Hanson on 24 May 2017
- Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceusLast observed by Matthew Berg on 8 May 2016
- Lesser/Greater Yellowlegs Tringa flavipes/melanoleucaLast observed by Rachel Justice on 16 Jul 2019
- large shorebird sp. Scolopacidae sp. (large shorebird sp.)Last observed by Robin Maercklein on 21 Aug 2011
- Sharp-shinned/Cooper's Hawk Accipiter striatus/cooperiiLast observed by Robin Maercklein on 27 Nov 2022
- Cooper's Hawk/American Goshawk Accipiter cooperii/atricapillusLast observed by Jeff Weber on 29 Apr 2023
- Red-shouldered/Broad-winged Hawk Buteo lineatus/platypterusLast observed by Robin Maercklein on 28 Apr 2021
- diurnal raptor sp. Accipitriformes/Falconiformes sp.Last observed by Robin Maercklein on 26 Sep 2011
- Alder/Willow Flycatcher (Traill's Flycatcher) Empidonax alnorum/trailliiLast observed by Eric Lind on 20 Aug 2023
- Spizella sp./American Tree Sparrow Spizella/Spizelloides sp.Last observed by Robin Maercklein on 12 Apr 2016
- White-crowned/White-throated Sparrow Zonotrichia leucophrys/albicollisLast observed by Robin Maercklein on 14 Sep 2012
- Rusty/Brewer's Blackbird Euphagus carolinus/cyanocephalusLast observed by Joey Reichhoff on 21 Oct 2023
- Louisiana/Northern Waterthrush Parkesia motacilla/noveboracensisLast observed by Joseph Hudick on 9 May 2020
- Bay-breasted/Blackpoll Warbler Setophaga castanea/striataLast observed by Ruger Peavey on 2 Sep 2023