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Illustrated Checklist

January February March April May June July August September October November December
Week1Frequency:4.3% Week2Frequency:0.1% Week3Frequency:5.3% Week4Frequency:4.2% Week1Frequency:0.1% Week2Frequency:8% Week3Frequency:7.7% Week4Frequency:0% Week1Frequency:0% Week2Frequency:7.1% Week3Frequency:8.3% Week4Frequency:5.3% Week1Frequency:7.7% Week2Frequency:37.5% Week3Frequency:12.5% Week4Frequency:12.5% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:4% Week1Frequency:0% Week2Frequency:0.1% Week3Frequency:14.3% Week4Frequency:0%
Weekly frequency data

Last seen: 10 Jan 2024 by Adrian Lee

January February March April May June July August September October November December
Week1Frequency:0% Week2Frequency:5.3% Week3Frequency:0% Week4Frequency:0% Week1Frequency:8.3% Week2Frequency:0% Week3Frequency:15.4% Week4Frequency:9.1% Week1Frequency:6.2% Week2Frequency:14.3% Week3Frequency:33.3% Week4Frequency:5.3% Week1Frequency:0% Week2Frequency:12.5% Week3Frequency:25% Week4Frequency:0% Week1Frequency:0% Week2Frequency:7.1% Week3Frequency:0% Week4Frequency:15.4% Week1Frequency:0% Week2Frequency:0.1% Week3Frequency:4.8% Week4Frequency:5.6% Week1Frequency:0% Week2Frequency:5% Week3Frequency:4.8% Week4Frequency:8.3% Week1Frequency:0% Week2Frequency:0% Week3Frequency:4.8% Week4Frequency:0% Week1Frequency:0.1% Week2Frequency:0.1% Week3Frequency:0% Week4Frequency:16.7% Week1Frequency:4.2% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:5.6% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0%
Weekly frequency data

Last seen: 20 Feb 2024 by Hans de Grys

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% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:5.3% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:7.7% Week4Frequency:8% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:4.2%
Weekly frequency data

Last seen: 26 Nov 2021 by naomi h

January February March April May June July August September October November December
Week1Frequency:4.3% Week2Frequency:0.1% Week3Frequency:10.5% Week4Frequency:4.2% Week1Frequency:8.3% Week2Frequency:4% Week3Frequency:11.5% Week4Frequency:9.1% Week1Frequency:12.5% Week2Frequency:0% Week3Frequency:8.3% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:5.3% Week3Frequency:0% Week4Frequency:0% Week1Frequency:6.2% Week2Frequency:0% Week3Frequency:23.1% Week4Frequency:8% Week1Frequency:0% Week2Frequency:7.1% Week3Frequency:14.3% Week4Frequency:16.7%
Weekly frequency data

Last seen: 17 Feb 2024 by Julie Richardson

January February March April May June July August September October November December
Week1Frequency:8.7% Week2Frequency:0% Week3Frequency:5.3% Week4Frequency:4.2% Week1Frequency:0% Week2Frequency:4% Week3Frequency:3.8% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:7.7% Week2Frequency:0% Week3Frequency:10% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:9.5% Week4Frequency:4.2% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0.1% Week2Frequency:0% Week3Frequency:0% Week4Frequency:4.2% Week1Frequency:4.2% Week2Frequency:0% Week3Frequency:0% Week4Frequency:4.2% Week1Frequency:6.2% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:16.7%
Weekly frequency data

Last seen: 5 Oct 2023 by Charles Dodd

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% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:4.2%
Weekly frequency data

Last seen: 31 Dec 2022 by Sarah Bernhardt

Hybrids

Eurasian x American Wigeon (hybrid)

Last seen: 1 Nov 2022 by Bob Schmidt

Western x Glaucous-winged Gull (hybrid)

Last seen: 27 Jan 2024 by Daniel Froehlich

Herring x Glaucous-winged Gull (hybrid)

Last seen: 28 Jan 2017 by Alex Merritt

Additional taxa

Domestic goose sp. (Domestic type)

Last seen: 2 Aug 2016 by John F. Gatchet

Greater/Lesser Scaup

Last seen: 14 May 2023 by Brad Lirette

Surf/Black Scoter

Last seen: 22 May 2023 by Alan Westphal

Common/Barrow's Goldeneye

Last seen: 25 Jan 2022 by Daniel Froehlich

Common/Red-breasted Merganser

Last seen: 14 Jan 2022 by Roland Kilcher

duck sp.

Last seen: 3 Mar 2021 by Kiara Sullivan

Horned/Eared Grebe

Last seen: 16 Feb 2024 by M. Rogers

Western/Clark's Grebe

Last seen: 16 Jan 2020 by Theodore Squires

hummingbird sp.

Last seen: 26 Jul 2019 by Gary Dinsmore

shorebird sp.

Last seen: 4 Mar 2022 by Daniel Froehlich

Western/Glaucous-winged Gull

Last seen: 19 Feb 2024 by Bradley Waggoner

Herring/Iceland Gull

Last seen: 3 Mar 2021 by Kiara Sullivan

cormorant sp.

Last seen: 23 Feb 2024 by Sally Reynolds

new world flycatcher sp.

Last seen: 19 May 2022 by Todd Mathison

House/Purple Finch

Last seen: 20 Mar 2019 by Theodore Squires

new world sparrow sp.

Last seen: 16 Feb 2024 by M. Rogers

passerine sp.

Last seen: 27 Jan 2020 by Theodore Squires