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Illustrated Checklist

January February March April May June July August September October November December
Week1Frequency:0.1% Week2Frequency:<0.1% Week3Frequency:<0.1% Week4Frequency:0.1% Week1Frequency:0.1% Week2Frequency:<0.1% Week3Frequency:<0.1% Week4Frequency:<0.1% Week1Frequency:<0.1% Week2Frequency:<0.1% Week3Frequency:<0.1% Week4Frequency:<0.1% Week1Frequency:<0.1% Week2Frequency:<0.1% Week3Frequency:<0.1% Week4Frequency:0.1% Week1Frequency:<0.1% Week2Frequency:<0.1% Week3Frequency:<0.1% Week4Frequency:<0.1% Week1Frequency:0.1% Week2Frequency:0.1% Week3Frequency:<0.1% Week4Frequency:0.1% Week1Frequency:0.3% Week2Frequency:0.3% Week3Frequency:<0.1% Week4Frequency:0.1% Week1Frequency:<0.1% Week2Frequency:0% Week3Frequency:0.1% Week4Frequency:0.1% Week1Frequency:<0.1% Week2Frequency:0.1% Week3Frequency:0.1% Week4Frequency:<0.1% Week1Frequency:<0.1% Week2Frequency:0% Week3Frequency:<0.1% Week4Frequency:0.1% Week1Frequency:0.1% Week2Frequency:<0.1% Week3Frequency:<0.1% Week4Frequency:<0.1% Week1Frequency:0.1% Week2Frequency:<0.1% Week3Frequency:<0.1% Week4Frequency:<0.1%
Weekly frequency data

Last seen: 1 Nov 2022 by Peter Koper

January February March April May June July August September October November December
Week1Frequency:0.3% Week2Frequency:0.4% Week3Frequency:0.3% Week4Frequency:0.4% Week1Frequency:0.3% Week2Frequency:0.2% Week3Frequency:0.2% Week4Frequency:0.7% Week1Frequency:0.9% Week2Frequency:0.9% Week3Frequency:0.8% Week4Frequency:0.4% Week1Frequency:0.3% Week2Frequency:0.2% Week3Frequency:0.2% Week4Frequency:0.1% Week1Frequency:<0.1% Week2Frequency:<0.1% Week3Frequency:<0.1% Week4Frequency:<0.1% Week1Frequency:<0.1% Week2Frequency:<0.1% Week3Frequency:<0.1% Week4Frequency:<0.1% Week1Frequency:0.1% Week2Frequency:0.1% Week3Frequency:0.1% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0.1% Week3Frequency:<0.1% Week4Frequency:0% Week1Frequency:<0.1% Week2Frequency:0.1% Week3Frequency:0.5% Week4Frequency:0.6% Week1Frequency:0.8% Week2Frequency:0.9% Week3Frequency:0.8% Week4Frequency:1% Week1Frequency:1.1% Week2Frequency:1.1% Week3Frequency:1% Week4Frequency:1.1% Week1Frequency:0.8% Week2Frequency:0.9% Week3Frequency:0.5% Week4Frequency:0.3%
Weekly frequency data

Last seen: 21 Mar 2023 by Terry Grabill

January February March April May June July August September October November December
Week1Frequency:0.1% Week2Frequency:0.1% Week3Frequency:0.2% Week4Frequency:0.2% Week1Frequency:0.3% Week2Frequency:0.2% Week3Frequency:<0.1% Week4Frequency:0.2% Week1Frequency:0.4% Week2Frequency:0.4% Week3Frequency:0.2% Week4Frequency:0.3% Week1Frequency:0.2% Week2Frequency:0.1% Week3Frequency:0.1% Week4Frequency:0.1% Week1Frequency:<0.1% Week2Frequency:<0.1% Week3Frequency:<0.1% Week4Frequency:<0.1% Week1Frequency:0.1% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0.1% Week1Frequency:0.1% Week2Frequency:<0.1% Week3Frequency:0.1% Week4Frequency:<0.1% Week1Frequency:<0.1% Week2Frequency:0.1% Week3Frequency:<0.1% Week4Frequency:0.1% Week1Frequency:0.1% Week2Frequency:0.2% Week3Frequency:0.2% Week4Frequency:0.3% Week1Frequency:0.3% Week2Frequency:0.3% Week3Frequency:0.1% Week4Frequency:0.1%
Weekly frequency data

Last seen: 21 Mar 2023 by Greg Smith

January February March April May June July August September October November December
Week1Frequency:0.2% Week2Frequency:0.2% Week3Frequency:0.2% Week4Frequency:0.3% Week1Frequency:0.4% Week2Frequency:0.3% Week3Frequency:0.1% Week4Frequency:0.8% Week1Frequency:1.1% Week2Frequency:0.9% Week3Frequency:0.6% Week4Frequency:0.4% Week1Frequency:0.3% Week2Frequency:0.2% Week3Frequency:0.2% Week4Frequency:<0.1% Week1Frequency:<0.1% Week2Frequency:<0.1% Week3Frequency:<0.1% Week4Frequency:<0.1% Week1Frequency:<0.1% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0.1% Week3Frequency:0% Week4Frequency:0.1% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:<0.1% Week3Frequency:<0.1% Week4Frequency:0.1% Week1Frequency:0.1% Week2Frequency:<0.1% Week3Frequency:0.3% Week4Frequency:0.2% Week1Frequency:0.3% Week2Frequency:0.4% Week3Frequency:0.2% Week4Frequency:0.3% Week1Frequency:0.3% Week2Frequency:0.3% Week3Frequency:0.2% Week4Frequency:0.2%
Weekly frequency data

Last seen: 22 Mar 2023 by Steve Minard

January February March April May June July August September October November December
Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0.1% Week1Frequency:0% Week2Frequency:0.1% Week3Frequency:0% Week4Frequency:0% Week1Frequency:<0.1% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0.1% Week1Frequency:<0.1% Week2Frequency:0% Week3Frequency:<0.1% Week4Frequency:<0.1% Week1Frequency:0% Week2Frequency:0.1% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0.1% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0.1% Week3Frequency:0.1% Week4Frequency:<0.1% Week1Frequency:<0.1% Week2Frequency:0.1% Week3Frequency:0.3% Week4Frequency:0.1% Week1Frequency:<0.1% Week2Frequency:0.1% Week3Frequency:<0.1% Week4Frequency:<0.1% Week1Frequency:<0.1% Week2Frequency:<0.1% Week3Frequency:<0.1% Week4Frequency:0.1%
Weekly frequency data

Last seen: 10 Nov 2022 by Jason Carlson

January February March April May June July August September October November December
Week1Frequency:0.4% Week2Frequency:0.3% Week3Frequency:0.2% Week4Frequency:0.2% Week1Frequency:0.2% Week2Frequency:0.2% Week3Frequency:0.1% Week4Frequency:0.3% Week1Frequency:0.5% Week2Frequency:0.6% Week3Frequency:0.4% Week4Frequency:0.3% Week1Frequency:0.2% Week2Frequency:0.1% Week3Frequency:0.1% Week4Frequency:0.1% Week1Frequency:<0.1% Week2Frequency:<0.1% Week3Frequency:<0.1% Week4Frequency:<0.1% Week1Frequency:0.1% Week2Frequency:0.1% Week3Frequency:0% Week4Frequency:0.1% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:<0.1% Week2Frequency:<0.1% Week3Frequency:0.1% Week4Frequency:0.2% Week1Frequency:0.6% Week2Frequency:0.4% Week3Frequency:0.5% Week4Frequency:0.6% Week1Frequency:0.9% Week2Frequency:0.8% Week3Frequency:0.6% Week4Frequency:0.8% Week1Frequency:0.7% Week2Frequency:0.7% Week3Frequency:0.4% Week4Frequency:0.4%
Weekly frequency data

Last seen: 23 Mar 2023 by Tom Dennis

Exotic: Provisional

Exotic: Escapee

Hybrids

Snow x Ross's Goose (hybrid)

Last seen: 13 Mar 2021 by Rick Brigham

Graylag x Swan Goose (hybrid)

Last seen: 17 Dec 2022 by Gordon Green

Ross's x Cackling Goose (hybrid)

Last seen: 9 Mar 2011 by Allen Chartier

Swan Goose x Canada Goose (hybrid)

Last seen: 16 Jan 2022 by Brian Beauchene

Greater White-fronted x Canada Goose (hybrid)

Last seen: 26 Dec 2016 by Cory Ross

Graylag x Canada Goose (hybrid)

Last seen: 12 Mar 2023 by Fran (Norris) Hammerle

Domestic goose sp. x Canada Goose (hybrid)

Last seen: 20 Mar 2023 by Mike Kisielewicz

Snow x Canada Goose (hybrid)

Last seen: 1 Apr 2022 by Phillip Odum

Trumpeter x Whooper Swan (hybrid)

Last seen: 27 Aug 2022 by K Genteman

Blue-winged x Cinnamon Teal (hybrid)

Last seen: 18 Sep 2001 by Gerald Ziarno

Blue-winged Teal x Northern Shoveler (hybrid)

Last seen: 7 Nov 2022 by Matt Misewicz

Northern Shoveler x Gadwall (hybrid)

Last seen: 23 Apr 2022 by R Green

Gadwall x American Wigeon (hybrid)

Last seen: 13 Nov 2013 by Craig Robson

Eurasian x American Wigeon (hybrid)

Last seen: 29 Apr 2016 by Joe Soehnel

Wood Duck x Mallard (hybrid)

Last seen: 28 Jul 2012 by Zachary Frieben

Gadwall x Mallard (hybrid)

Last seen: 28 Dec 2022 by Eli G

American Wigeon x Mallard (hybrid)

Last seen: 4 Feb 2023 by Edward Hicks

Mallard x American Black Duck (hybrid)

Last seen: 23 Mar 2023 by Justin Labadie

Mallard x Northern Pintail (hybrid)

Last seen: 9 Apr 2022 by Andrew Simon

Canvasback x Redhead (hybrid)

Last seen: 10 Mar 2022 by Ryan Dziedzic

Redhead x Ring-necked Duck (hybrid)

Last seen: 19 Feb 2022 by Robert Irwin

Ring-necked Duck x Lesser Scaup (hybrid)

Last seen: 31 Mar 2015 by Anonymous eBirder

Ring-necked Duck x scaup sp. (hybrid)

Last seen: 19 Mar 2020 by Tim Cornish

Bufflehead x Common Goldeneye (hybrid)

Last seen: 20 Apr 2019 by Dan Fox

Common x Barrow's Goldeneye (hybrid)

Last seen: 2 Mar 2023 by Robert Irwin

Bufflehead x Hooded Merganser (hybrid)

Last seen: 29 Apr 2018 by Andrew Simon

Common Goldeneye x Hooded Merganser (hybrid)

Last seen: 19 Dec 2022 by Jeff Slaughter

Eurasian x African Collared-Dove (hybrid)

Last seen: 6 Apr 2020 by Ken Sapkowski

Sandhill x Whooping Crane (hybrid)

Last seen: 17 Feb 2023 by Jenny Ludman

Laughing x Ring-billed Gull (hybrid)

Last seen: 10 Apr 2020 by Caleb Putnam

Herring x Lesser Black-backed Gull (hybrid)

Last seen: 10 Mar 2023 by Robert Irwin

Herring x Glaucous Gull (hybrid)

Last seen: 6 Feb 2023 by t palgut

Herring x Great Black-backed Gull (hybrid)

Last seen: 18 Mar 2023 by Skye Haas

Glaucous x Great Black-backed Gull (hybrid)

Last seen: 3 Apr 2016 by Skye Haas

Snowy Egret x Little Blue Heron (hybrid)

Last seen: 7 May 2016 by David Powell

Red-shouldered x Red-tailed Hawk (hybrid)

Last seen: 24 Jul 2017 by Carl & Judi Manning

Barn x Cliff Swallow (hybrid)

Last seen: 30 May 2017 by Gordon Green

Chipping x Clay-colored Sparrow (hybrid)

Last seen: 15 Jul 1978 by Doug McWhirter

Dark-eyed Junco x White-throated Sparrow (hybrid)

Last seen: 1 Mar 2021 by Brendan Leddy

Golden-winged x Blue-winged Warbler (hybrid)

Last seen: 14 May 2022 by Darrell Lawson

Brewster's Warbler (hybrid)

Last seen: 22 Sep 2022 by Cheryl Trine

Lawrence's Warbler (hybrid)

Last seen: 12 Sep 2022 by Darrin O'Brien

Blue-winged x Prairie Warbler (hybrid)

Last seen: 5 Jun 2014 by Jonathan Lautenbach

Yellow x Prairie Warbler (hybrid)

Last seen: 14 May 2018 by Chace Scholten

Lazuli x Indigo Bunting (hybrid)

Last seen: 18 Jun 2022 by Logan Clark

Additional taxa

Snow/Ross's Goose

Last seen: 14 Mar 2023 by Ben Krogman

Domestic goose sp. (Domestic type)

Last seen: 20 Mar 2023 by Timothy Webb

Cackling/Canada Goose

Last seen: 24 Mar 2023 by Steven Gasser

Trumpeter/Tundra Swan

Last seen: 24 Mar 2023 by Ben Krogman

Blue-winged/Cinnamon Teal

Last seen: 28 May 2020 by Louie Dombroski

Eurasian/American Wigeon

Last seen: 6 Mar 2022 by Robert Irwin

Mallard/Mexican Duck

Last seen: 30 May 2018 by Lynda Brothers

Mallard/American Black Duck

Last seen: 18 Mar 2023 by Samuel Burckhardt

dabbling duck sp.

Last seen: 24 Mar 2023 by daniel hansz

Greater/Lesser Scaup

Last seen: 24 Mar 2023 by Theresa Moore

King/Common Eider

Last seen: 3 Jul 2020 by Joanie & Mark Hubinger

White-winged/Stejneger's Scoter

Last seen: 9 Oct 2009 by Robert Epstein

Surf/Black Scoter

Last seen: 13 Feb 2023 by Larry Adams

Common/Barrow's Goldeneye

Last seen: 30 Dec 2020 by Edward Hicks

Common/Red-breasted Merganser

Last seen: 23 Mar 2023 by Dorothy Moul

merganser sp.

Last seen: 7 Oct 2022 by Ivan Wiljanen

waterfowl sp.

Last seen: 17 Feb 2023 by Brandon Price

new world quail sp.

Last seen: 4 Jan 2021 by Ethan Urban

Ruffed/Spruce Grouse

Last seen: 18 Sep 2022 by Nick Varvel

Ring-necked/Green Pheasant

Last seen: 26 Feb 2023 by Anonymous eBirder

Horned/Eared Grebe

Last seen: 24 Mar 2023 by Mitchell Lemmer

Western/Clark's Grebe

Last seen: 16 Jan 2013 by Adam Byrne

grebe sp.

Last seen: 23 Mar 2023 by Samuel Stankiewicz

Eurasian/African Collared-Dove

Last seen: 22 Jan 2022 by Karl Sineath

Streptopelia sp.

Last seen: 3 Feb 2013 by Chris McCreedy - no playbacks

Common/Ruddy Ground Dove

Last seen: 1 Sep 2021 by MBRC

pigeon/dove sp.

Last seen: 18 Sep 2022 by Tim Cornish

Yellow-billed/Black-billed Cuckoo

Last seen: 23 Sep 2022 by Bruce Arnold

Coccyzus sp.

Last seen: 6 Aug 2021 by Seth Miller

cuckoo sp. (Cuculidae sp.)

Last seen: 13 May 2022 by Manny Salas

nighthawk sp.

Last seen: 30 Sep 2021 by Calvin Brennan

Ruby-throated/Black-chinned Hummingbird

Last seen: 6 Oct 2015 by Melissa Pappas

Rufous/Allen's Hummingbird

Last seen: 10 Dec 2019 by Nate Crane

Selasphorus sp.

Last seen: 19 Nov 2013 by Scott Sneed

King/Virginia Rail