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Montana
Illustrated Checklist
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Native and Naturalized (433)
Exotic: Provisional (1)
Exotic: Escapee (16)
Hybrids (46)
- Snow x Ross's Goose (hybrid) Anser caerulescens x rossiiLast observed by Evana Newberry on 25 Oct 2020
- Snow x Greater White-fronted Goose (hybrid) Anser caerulescens x albifronsLast observed by Larry Weeks on 26 Mar 2016
- Snow x Cackling Goose (hybrid) Anser caerulescens x Branta hutchinsiiLast observed by Daniel Casey on 10 Nov 2018
- Swan Goose x Canada Goose (hybrid) Anser cygnoides x Branta canadensisLast observed by Sasha Auer on 2 Feb 2019
- Greater White-fronted x Canada Goose (hybrid) Anser albifrons x Branta canadensisLast observed by Danny Tipton on 27 Feb 2021
- Graylag x Canada Goose (hybrid) Anser anser x Branta canadensisLast observed by Mani Gomez on 1 Dec 2021
- Domestic goose sp. x Canada Goose (hybrid) Anser sp. (Domestic type) x Branta canadensisLast observed by Nyx Demure on 15 Sep 2023
- Snow x Canada Goose (hybrid) Anser caerulescens x Branta canadensisLast observed by Grant Pegram on 8 Nov 2023
- Blue-winged x Cinnamon Teal (hybrid) Spatula discors x cyanopteraLast observed by Ben Goodheart on 2 May 2023
- Blue-winged Teal x Northern Shoveler (hybrid) Spatula discors x clypeataLast observed by Beth Hill on 26 May 2022
- Cinnamon Teal x Northern Shoveler (hybrid) Spatula cyanoptera x clypeataLast observed by John Rumney on 3 Jun 2022
- Northern Shoveler x Gadwall (hybrid) Spatula clypeata x Mareca streperaLast observed by James Oates on 8 Apr 2017
- Eurasian x American Wigeon (hybrid) Mareca penelope x americanaLast observed by Grant Hokit on 6 Apr 2024
- Muscovy Duck x Mallard (hybrid) Cairina moschata x Anas platyrhynchosLast observed by Lisa Winslow on 2 Jan 2024
- Gadwall x Mallard (hybrid) Mareca strepera x Anas platyrhynchosLast observed by John Carlson on 31 Mar 2022
- American Wigeon x Mallard (hybrid) Mareca americana x Anas platyrhynchosLast observed by Dalton Spencer on 19 Mar 2021
- Mallard x Mexican Duck (hybrid) Anas platyrhynchos x diaziLast observed by Daniel Casey on 6 Jun 2019
- Gadwall x Northern Pintail (hybrid) Mareca strepera x Anas acutaLast observed by Nick Hajdukovich on 28 Apr 2012
- Mallard x Northern Pintail (hybrid) Anas platyrhynchos x acutaLast observed by Susan Hovde on 18 Apr 2023
- Mallard x Green-winged Teal (hybrid) Anas platyrhynchos x creccaLast observed by Beth Hill on 28 Apr 2018
- Northern Pintail x Green-winged Teal (hybrid) Anas acuta x creccaLast observed by Andrew Guttenberg on 13 Nov 2016
- Redhead x Ring-necked Duck (hybrid) Aythya americana x collarisLast observed by Mani Gomez on 10 Mar 2022
- Redhead x Lesser Scaup (hybrid) Aythya americana x affinisLast observed by Ed Harper on 17 Jun 2015
- Bufflehead x Common Goldeneye (hybrid) Bucephala albeola x clangulaLast observed by John Carlson on 24 Feb 2024
- Common x Barrow's Goldeneye (hybrid) Bucephala clangula x islandicaLast observed by Adrian Rouse on 5 Feb 2024
- Bufflehead x Hooded Merganser (hybrid) Bucephala albeola x Lophodytes cucullatusLast observed by Megan Thrash on 12 May 2023
- Common Goldeneye x Hooded Merganser (hybrid) Bucephala clangula x Lophodytes cucullatusLast observed by Daniel Casey on 2 Jun 2022
- Western x Clark's Grebe (hybrid) Aechmophorus occidentalis x clarkiiLast observed by Nick Ramsey on 30 Jul 2023
- Rufous x Broad-tailed Hummingbird (hybrid) Selasphorus rufus x platycercusLast observed by Scott Heppel on 19 Jun 2020
- Herring x Glaucous Gull (hybrid) Larus argentatus x hyperboreusLast observed by Charles Carlson on 15 Apr 2011
- Western x Glaucous-winged Gull (hybrid) Larus occidentalis x glaucescensLast observed by Joshua Covill on 22 Oct 2017
- Glaucous x Glaucous-winged Gull (hybrid) Larus hyperboreus x glaucescensLast observed by shawn richmond on 15 Apr 2020
- Glossy x White-faced Ibis (hybrid) Plegadis falcinellus x chihiLast observed by Bob Martinka on 7 May 2021
- Red-tailed x Rough-legged Hawk (hybrid) Buteo jamaicensis x lagopusLast observed by Mani Gomez on 12 Apr 2022
- Yellow-bellied x Red-naped Sapsucker (hybrid) Sphyrapicus varius x nuchalisLast observed by Joshua Covill on 7 Sep 2021
- Black-capped x Mountain Chickadee (hybrid) Poecile atricapillus x gambeliLast observed by Jenny Hook on 14 Mar 2024
- Green-tailed x Spotted Towhee (hybrid) Pipilo chlorurus x maculatusLast observed by Jock Young on 26 May 1998
- Western x Eastern Meadowlark (hybrid) Sturnella neglecta x magnaLast observed by Jesse Kolar on 6 Jun 2018
- Bullock's x Baltimore Oriole (hybrid) Icterus bullockii x galbulaLast observed by Harriet Marble on 12 Aug 2023
- Common x Great-tailed Grackle (hybrid) Quiscalus quiscula x mexicanusLast observed by Jack Kirkley on 3 Aug 2015
- Northern Parula x Black-throated Gray Warbler (hybrid) Setophaga americana x nigrescensLast observed by Nathan Goldberg on 17 Jun 2023
- Yellow-rumped x Black-throated Gray Warbler (hybrid) Setophaga coronata x nigrescensLast observed by Tom Forwood JR on 11 May 2017
- Townsend's x Black-throated Green Warbler (hybrid) Setophaga townsendi x virensLast observed by Stephen Turner on 14 May 2020
- Rose-breasted x Black-headed Grosbeak (hybrid) Pheucticus ludovicianus x melanocephalusLast observed by Shelley Rumney on 30 May 2021
- Lazuli x Indigo Bunting (hybrid) Passerina amoena x cyaneaLast observed by Joel Adams on 23 Jul 2022
Additional Taxa (168)
- Domestic goose sp. (Domestic type) Anser sp. (Domestic type)Last observed by Larry Barnes on 17 Apr 2024
- Common/Barrow's Goldeneye Bucephala clangula/islandicaLast observed by Adam Mitchell on 25 Apr 2024
- California/Gambel's Quail Callipepla californica/gambeliiLast observed by Larry Akins on 1 May 2021
- Ring-necked/Green Pheasant Phasianus colchicus/versicolorLast observed by Lisa J Bate on 17 Jun 2022
- Western/Clark's Grebe Aechmophorus occidentalis/clarkiiLast observed by Miles Zollman on 14 Apr 2024
- Yellow-billed/Black-billed Cuckoo Coccyzus americanus/erythropthalmusLast observed by Max Dyba on 18 Jul 2020
- Ruby-throated/Black-chinned Hummingbird Archilochus colubris/alexandriLast observed by Jan Thom on 18 Aug 2018
- Black-bellied Plover/golden-plover sp. Pluvialis sp.Last observed by Braydon Luikart on 25 Oct 2023
- Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceusLast observed by Mike Lesnik on 29 Oct 2023
- Red/Red-necked Phalarope Phalaropus fulicarius/lobatusLast observed by Caleb Lashway on 24 Oct 2022
- Western/Semipalmated Sandpiper Calidris mauri/pusillaLast observed by Evana Newberry on 21 Sep 2023
- large shorebird sp. Scolopacidae sp. (large shorebird sp.)Last observed by Elizabeth Johns on 18 Feb 2024
- Yellow-crowned/Black-crowned Night Heron Nycticorax nycticorax/Nyctanassa violaceaLast observed by ted buhl on 16 Jun 2018
- Sharp-shinned/Cooper's Hawk Accipiter striatus/cooperiiLast observed by Sierra Fleischmann on 22 Apr 2024
- Cooper's Hawk/American Goshawk Accipiter cooperii/atricapillusLast observed by Thomas Magarian on 23 Sep 2022
- Golden/Bald Eagle Aquila chrysaetos/Haliaeetus leucocephalusLast observed by Mark Brown on 18 Apr 2024
- Yellow-bellied/Red-naped Sapsucker Sphyrapicus varius/nuchalisLast observed by Sierra Fleischmann on 11 Apr 2024
- American Three-toed/Black-backed Woodpecker Picoides dorsalis/arcticusLast observed by Park Mcgehee on 7 Sep 2023
- Alder/Willow Flycatcher (Traill's Flycatcher) Empidonax alnorum/trailliiLast observed by Glenn Pannier on 14 Sep 2023
- Hammond's/Dusky Flycatcher Empidonax hammondii/oberholseriLast observed by Philip Henson on 15 Sep 2023
- Cassin's/Blue-headed Vireo Vireo cassinii/solitariusLast observed by Heather Bateman on 10 Jul 2023
- solitary vireo sp. Vireo cassinii/solitarius/plumbeusLast observed by Andrew Guttenberg on 8 Sep 2023
- Philadelphia/Warbling Vireo Vireo philadelphicus/gilvusLast observed by Hilary Turner on 15 Sep 2020
- Loggerhead/Northern Shrike Lanius ludovicianus/borealisLast observed by Larry Barnes on 11 Apr 2024
- Black-capped/Mountain Chickadee Poecile atricapillus/gambeliLast observed by John Parker on 25 Apr 2024
- Tree/Violet-green Swallow Tachycineta bicolor/thalassinaLast observed by Mason Sieges on 23 Apr 2024
- Ruby-crowned/Golden-crowned Kinglet Corthylio calendula/Regulus satrapaLast observed by Eric Ray on 10 Apr 2024
- new world goldfinch sp. Spinus sp. (goldfinch sp.)Last observed by Sierra Fleischmann on 9 Apr 2024
- Spizella sp./American Tree Sparrow Spizella/Spizelloides sp.Last observed by Wayne Bartholomew on 11 Sep 2021
- Grasshopper/Baird's Sparrow Ammodramus savannarum/Centronyx bairdiiLast observed by Tom Forwood JR on 16 Jun 2015
- Spotted/Eastern Towhee (Rufous-sided Towhee) Pipilo maculatus/erythrophthalmusLast observed by April Dusek on 19 Sep 2023
- MacGillivray's/Mourning Warbler Geothlypis tolmiei/philadelphiaLast observed by Bradley Nordell on 6 Sep 2021
- sparrow/warbler sp. (trilling song) Passerellidae/Parulidae sp. (trilling song)Last observed by Dargan Jaeger on 21 Oct 2023
- Rose-breasted/Black-headed Grosbeak Pheucticus ludovicianus/melanocephalusLast observed by Eli Favro on 20 Sep 2023