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Illinois
Illustrated Checklist
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Native and Naturalized (448)
Exotic: Provisional (1)
Exotic: Escapee (55)
Hybrids (53)
- Snow x Ross's Goose (hybrid) Anser caerulescens x rossiiLast observed by Stephen Hurst on 3 Apr 2024
- Graylag x Swan Goose (hybrid) Anser anser x cygnoidesLast observed by Trevor Slovick on 28 Mar 2020
- Snow x Greater White-fronted Goose (hybrid) Anser caerulescens x albifronsLast observed by Steven Lewis on 28 Feb 2023
- Greater White-fronted x Cackling Goose (hybrid) Anser albifrons x Branta hutchinsiiLast observed by Amy Kearns on 14 Jan 2019
- Swan Goose x Canada Goose (hybrid) Anser cygnoides x Branta canadensisLast observed by Donna Kenski on 14 Mar 2022
- Greater White-fronted x Canada Goose (hybrid) Anser albifrons x Branta canadensisLast observed by Nathan Goldberg on 27 Jan 2024
- Graylag x Canada Goose (hybrid) Anser anser x Branta canadensisLast observed by Jim Mountjoy on 17 Apr 2024
- Domestic goose sp. x Canada Goose (hybrid) Anser sp. (Domestic type) x Branta canadensisLast observed by Pirmin Nietlisbach on 21 Feb 2024
- Snow x Canada Goose (hybrid) Anser caerulescens x Branta canadensisLast observed by James Van Someren on 29 Jan 2024
- Barnacle x Canada Goose (hybrid) Branta leucopsis x canadensisLast observed by Dan Williams on 25 Nov 2014
- Blue-winged x Cinnamon Teal (hybrid) Spatula discors x cyanopteraLast observed by Theresa Buley on 30 Apr 2023
- Blue-winged Teal x Northern Shoveler (hybrid) Spatula discors x clypeataLast observed by Linda Stwora on 21 Apr 2024
- Northern Shoveler x Gadwall (hybrid) Spatula clypeata x Mareca streperaLast observed by J.A. Smith on 24 Mar 2024
- Gadwall x American Wigeon (hybrid) Mareca strepera x americanaLast observed by Walter Marcisz on 11 Apr 2014
- Eurasian x American Wigeon (hybrid) Mareca penelope x americanaLast observed by Carly Crow on 18 Nov 2021
- Muscovy Duck x Mallard (hybrid) Cairina moschata x Anas platyrhynchosLast observed by Aaron Boone on 17 Dec 2012
- Wood Duck x Mallard (hybrid) Aix sponsa x Anas platyrhynchosLast observed by Eric Walters on 20 Dec 1994
- Northern Shoveler x Mallard (hybrid) Spatula clypeata x Anas platyrhynchosLast observed by Stephen Mitten on 16 May 2020
- Gadwall x Mallard (hybrid) Mareca strepera x Anas platyrhynchosLast observed by FNAL Fermilab Bird Survey on 12 Nov 2023
- American Wigeon x Mallard (hybrid) Mareca americana x Anas platyrhynchosLast observed by Paul Senner on 16 Apr 2024
- Mallard x American Black Duck (hybrid) Anas platyrhynchos x rubripesLast observed by Dan Michler on 24 Apr 2024
- Mallard x Northern Pintail (hybrid) Anas platyrhynchos x acutaLast observed by Connor Sullivan on 23 Apr 2024
- Blue-winged x Green-winged Teal (hybrid) Spatula discors x Anas creccaLast observed by Rick Roche on 15 Apr 2016
- Canvasback x Redhead (hybrid) Aythya valisineria x americanaLast observed by Chuck Fields on 31 Mar 2021
- Canvasback x Ring-necked Duck (hybrid) Aythya valisineria x collarisLast observed by Andy Gilbert on 12 Mar 2017
- Redhead x Ring-necked Duck (hybrid) Aythya americana x collarisLast observed by Haley Gottardo on 25 Mar 2023
- Redhead x Lesser Scaup (hybrid) Aythya americana x affinisLast observed by Andrew S. Aldrich on 25 Jan 2014
- Ring-necked Duck x Lesser Scaup (hybrid) Aythya collaris x affinisLast observed by Andy Gilbert on 20 Mar 2020
- Ring-necked Duck x scaup sp. (hybrid) Aythya collaris x marila/affinisLast observed by Lisa Pool on 12 Jun 2023
- Bufflehead x Common Goldeneye (hybrid) Bucephala albeola x clangulaLast observed by Trevor Slovick on 30 Dec 2020
- Bufflehead x Hooded Merganser (hybrid) Bucephala albeola x Lophodytes cucullatusLast observed by Eric Walters on 22 May 2010
- Common Goldeneye x Hooded Merganser (hybrid) Bucephala clangula x Lophodytes cucullatusLast observed by Erick Masias on 19 Dec 2023
- goldeneye sp. x Hooded Merganser (hybrid) Bucephala clangula/islandica x Lophodytes cucullatusLast observed by Frank Holmes on 16 Dec 2020
- Laughing x Ring-billed Gull (hybrid) Leucophaeus atricilla x Larus delawarensisLast observed by Matt Kalwasinski on 1 Oct 2023
- Kelp x Herring Gull (hybrid) Larus dominicanus x argentatusLast observed by Ben Sanders on 20 Jan 2018
- Herring x Great Black-backed Gull (hybrid) Larus argentatus x marinusLast observed by Henry Griffin on 28 Jan 2021
- Herring x Glaucous Gull (hybrid) Larus argentatus x hyperboreusLast observed by Anonymous eBirber on 17 Feb 2024
- Herring x Lesser Black-backed Gull (hybrid) Larus argentatus x fuscusLast observed by Steve Freed on 20 Feb 2024
- Herring x California Gull (hybrid) Larus argentatus x californicusLast observed by Anonymous eBirber on 26 Jul 2023
- Little Blue Heron x Snowy Egret (hybrid) Egretta caerulea x thulaLast observed by Eric Ginsburg on 21 Sep 2021
- Glossy x White-faced Ibis (hybrid) Plegadis falcinellus x chihiLast observed by Eric Walters on 8 May 2022
- Western Kingbird x Scissor-tailed Flycatcher (hybrid) Tyrannus verticalis x forficatusLast observed by Charlene Malone on 12 Jul 2014
- House x Eurasian Tree Sparrow (hybrid) Passer domesticus x montanusLast observed by Cindy Brown on 12 Jan 2024
- Dark-eyed Junco x White-throated Sparrow (hybrid) Junco hyemalis x Zonotrichia albicollisLast observed by Joseph Evans on 1 Feb 2023
- Spotted x Eastern Towhee (hybrid) Pipilo maculatus x erythrophthalmusLast observed by Timothy Balassie on 7 Sep 2023
- Golden-winged x Blue-winged Warbler (hybrid) Vermivora chrysoptera x cyanopteraLast observed by Ryan Jones on 24 Sep 2023
- Brewster's Warbler (hybrid) Vermivora chrysoptera x cyanoptera (F1 hybrid)Last observed by Tomáš Najer on 16 Sep 2023
- Lawrence's Warbler (hybrid) Vermivora chrysoptera x cyanoptera (F2 backcross)Last observed by Steve Freed on 22 Aug 2023
- Cerulean Warbler x Northern Parula (hybrid) Setophaga cerulea x americanaLast observed by Vicki Buchwald on 17 May 2022
- Cape May x Yellow-rumped Warbler (hybrid) Setophaga tigrina x coronataLast observed by Haley Gottardo on 10 Oct 2019
- Northern Parula x Yellow-throated Warbler (hybrid) Setophaga americana x dominicaLast observed by Eric Secker on 29 Apr 2005
- Townsend's x Black-throated Green Warbler (hybrid) Setophaga townsendi x virensLast observed by Ben Kerstetter on 5 Sep 2020
- Rose-breasted x Black-headed Grosbeak (hybrid) Pheucticus ludovicianus x melanocephalusLast observed by John Longhenry on 20 Aug 1983
Additional Taxa (193)
- Domestic goose sp. (Domestic type) Anser sp. (Domestic type)Last observed by Leann Larkins on 22 Apr 2024
- Mallard/American Black Duck Anas platyrhynchos/rubripesLast observed by Jordan Guzman on 22 Apr 2024
- dabbling duck sp. Anatidae sp. (dabbling duck sp.)Last observed by Anonymous eBirder on 24 Apr 2024
- Common/Barrow's Goldeneye Bucephala clangula/islandicaLast observed by Michael Retter on 26 Dec 2008
- Common/Red-breasted Merganser Mergus merganser/serratorLast observed by Anonymous eBirder on 23 Apr 2024
- Ring-necked/Green Pheasant Phasianus colchicus/versicolorLast observed by Camille Blachowicz on 1 Jun 2023
- Western/Clark's Grebe Aechmophorus occidentalis/clarkiiLast observed by Tommy Goodwin on 27 Nov 2020
- Eurasian/African Collared-Dove Streptopelia decaocto/roseogriseaLast observed by Andre Vu on 8 Mar 2024
- Yellow-billed/Black-billed Cuckoo Coccyzus americanus/erythropthalmusLast observed by Brent Schindewolf on 30 Sep 2023
- Ruby-throated/Black-chinned Hummingbird Archilochus colubris/alexandriLast observed by Anakin Fox on 17 Sep 2023
- moorhen/coot/gallinule sp. Gallinula/Fulica/Porphyrio sp.Last observed by William Pixler on 30 Aug 2023
- American/Pacific Golden-Plover (Lesser Golden-Plover) Pluvialis dominica/fulvaLast observed by Colin Dobson on 18 Oct 2020
- Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceusLast observed by Karen Harbach on 14 Apr 2024
- Red/Red-necked Phalarope Phalaropus fulicarius/lobatusLast observed by Ann Haverstock on 12 Sep 2023
- Lesser/Greater Yellowlegs Tringa flavipes/melanoleucaLast observed by Anonymous eBirder on 24 Apr 2024
- Western/Semipalmated Sandpiper Calidris mauri/pusillaLast observed by Alex Lowe-Massi on 4 Sep 2023
- large shorebird sp. Scolopacidae sp. (large shorebird sp.)Last observed by Anonymous eBirber on 6 Aug 2023
- Long-tailed/Parasitic Jaeger Stercorarius longicaudus/parasiticusLast observed by Andrea Tolzmann on 17 Sep 2023
- Parasitic/Pomarine Jaeger Stercorarius parasiticus/pomarinusLast observed by Marky Mutchler on 14 Oct 2023
- Double-crested/Neotropic Cormorant Nannopterum auritum/brasilianumLast observed by Zachary Sutton on 7 May 2022
- Yellow-crowned/Black-crowned Night Heron Nycticorax nycticorax/Nyctanassa violaceaLast observed by Peggy Hardwick on 11 Aug 2023
- Sharp-shinned/Cooper's Hawk Accipiter striatus/cooperiiLast observed by Anonymous eBirder on 24 Apr 2024
- Cooper's Hawk/American Goshawk Accipiter cooperii/atricapillusLast observed by Ellen Douglas on 12 Sep 2021
- Golden/Bald Eagle Aquila chrysaetos/Haliaeetus leucocephalusLast observed by Tommy Goodwin on 11 Dec 2023
- Red-shouldered/Broad-winged Hawk Buteo lineatus/platypterusLast observed by Eric D Gyllenhaal on 13 Oct 2023
- diurnal raptor sp. Accipitriformes/Falconiformes sp.Last observed by Anonymous eBirder on 24 Apr 2024
- Alder/Willow Flycatcher (Traill's Flycatcher) Empidonax alnorum/trailliiLast observed by Andrew Dreelin on 7 Oct 2023
- Tropical/Couch's Kingbird Tyrannus melancholicus/couchiiLast observed by SouthernIllinois HistoricRecords on 3 Jun 1999
- Philadelphia/Warbling Vireo Vireo philadelphicus/gilvusLast observed by Anonymous eBirder on 18 Sep 2023
- Philadelphia/Red-eyed Vireo Vireo philadelphicus/olivaceusLast observed by Hazem Alkhan on 4 Sep 2023
- Red-eyed/Yellow-green Vireo Vireo olivaceus/flavoviridisLast observed by Harriet Rylaarsdam Historical Data on 14 Sep 1988
- Loggerhead/Northern Shrike Lanius ludovicianus/borealisLast observed by Eric Balayti on 14 Apr 2024
- Carolina/Black-capped Chickadee Poecile carolinensis/atricapillusLast observed by Yixiao Liu on 24 Apr 2024
- Ruby-crowned/Golden-crowned Kinglet Corthylio calendula/Regulus satrapaLast observed by Celi Dahan on 21 Apr 2024
- Spizella sp./American Tree Sparrow Spizella/Spizelloides sp.Last observed by Phillip Stosberg on 19 Apr 2024
- White-crowned/White-throated Sparrow Zonotrichia leucophrys/albicollisLast observed by Kyle Wiktor on 19 Oct 2014
- Nelson's/Saltmarsh Sparrow (Sharp-tailed Sparrow) Ammospiza nelsoni/caudacutaLast observed by Eric Walters on 16 May 1992
- Grasshopper/Henslow's Sparrow Ammodramus savannarum/Centronyx henslowiiLast observed by Kathy Mineck on 6 Oct 2022
- Spotted/Eastern Towhee (Rufous-sided Towhee) Pipilo maculatus/erythrophthalmusLast observed by Dan Spedding on 5 May 2023
- Bullock's/Baltimore Oriole Icterus bullockii/galbulaLast observed by Laurie Mesenbring on 11 Sep 2013
- Rusty/Brewer's Blackbird Euphagus carolinus/cyanocephalusLast observed by Peter Tolzmann on 14 Apr 2024
- Louisiana/Northern Waterthrush Parkesia motacilla/noveboracensisLast observed by Joe Cesolini on 24 Apr 2024
- Golden-winged/Blue-winged Warbler Vermivora chrysoptera/cyanopteraLast observed by Red Hill Birding on 7 May 2022
- Connecticut/MacGillivray's/Mourning Warbler Oporornis/Geothlypis sp. (Mourning-type)Last observed by Timothy Geary on 17 May 2023
- MacGillivray's/Mourning Warbler Geothlypis tolmiei/philadelphiaLast observed by Paul R. Clyne on 22 Oct 1981
- Bay-breasted/Blackpoll Warbler Setophaga castanea/striataLast observed by Zachary Sutton on 6 Oct 2023