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January February March April May June July August September October November December
Week1Frequency:1.5% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:2.8% Week2Frequency:1.4% Week3Frequency:2.3% 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:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0%
Weekly frequency data

Last seen: 7 Mar 2021 by Jeremy Vetock

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January February March April May June July August September October November December
Week1Frequency:0% Week2Frequency:1.7% 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:0%
Weekly frequency data

Last seen: 10 Jan 2010 by Brent Byers

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January February March April May June July August September October November December
Week1Frequency:40% Week2Frequency:46.7% Week3Frequency:54.3% Week4Frequency:32.8% Week1Frequency:43.9% Week2Frequency:40.8% Week3Frequency:50% Week4Frequency:55.6% Week1Frequency:55.6% Week2Frequency:48.6% Week3Frequency:65.9% Week4Frequency:39.5% Week1Frequency:55.2% Week2Frequency:67.3% Week3Frequency:51.9% Week4Frequency:37.9% Week1Frequency:50% Week2Frequency:32.5% Week3Frequency:15.8% Week4Frequency:8.7% Week1Frequency:33.3% Week2Frequency:16.7% Week3Frequency:0% Week4Frequency:5.9% Week1Frequency:9.1% Week2Frequency:4.3% Week3Frequency:0% Week4Frequency:5.3% Week1Frequency:23.5% Week2Frequency:17.2% Week3Frequency:23.5% Week4Frequency:23.8% Week1Frequency:28.6% Week2Frequency:40% Week3Frequency:30.8% Week4Frequency:61.5% Week1Frequency:35.7% Week2Frequency:52.9% Week3Frequency:60% Week4Frequency:52.6% Week1Frequency:44% Week2Frequency:36.1% Week3Frequency:47.6% Week4Frequency:57.1% Week1Frequency:58.6% Week2Frequency:56.1% Week3Frequency:52% Week4Frequency:44%
Weekly frequency data

Last seen: 27 Feb 2024 by sarah kulis

© Christopher Szumlanski
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January February March April May June July August September October November December
Week1Frequency:16.9% Week2Frequency:28.3% Week3Frequency:28.3% Week4Frequency:41.8% Week1Frequency:22% Week2Frequency:35.2% Week3Frequency:43.8% Week4Frequency:25% Week1Frequency:33.3% Week2Frequency:31.9% Week3Frequency:18.2% Week4Frequency:9.3% Week1Frequency:17.2% Week2Frequency:0% Week3Frequency:1.9% Week4Frequency:3.4% Week1Frequency:3.6% Week2Frequency:22.5% Week3Frequency:0% Week4Frequency:2.2% 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:7.7% Week1Frequency:0% Week2Frequency:11.8% Week3Frequency:0% Week4Frequency:5.3% Week1Frequency:0% Week2Frequency:5.6% Week3Frequency:14.3% Week4Frequency:8.2% Week1Frequency:24.1% Week2Frequency:22% Week3Frequency:40% Week4Frequency:14%
Weekly frequency data

Last seen: 18 Feb 2024 by Brian Rollfinke

© Alex Pellegrini
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January February March April May June July August September October November December
Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:1.4% Week3Frequency:9.4% Week4Frequency:2.8% Week1Frequency:5.6% 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%
Weekly frequency data

Last seen: 7 Mar 2021 by Kevin Graff

© John Manger
© Tim Carney
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January February March April May June July August September October November December
Week1Frequency:4.6% Week2Frequency:16.7% Week3Frequency:30.4% Week4Frequency:20.9% Week1Frequency:29.3% Week2Frequency:35.2% Week3Frequency:43.8% Week4Frequency:30.6% Week1Frequency:52.8% Week2Frequency:27.8% Week3Frequency:6.8% Week4Frequency:7% 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:2.8% Week3Frequency:4.8% Week4Frequency:8.2% Week1Frequency:37.9% Week2Frequency:22% Week3Frequency:4% Week4Frequency:2%
Weekly frequency data

Last seen: 26 Nov 2023 by Brent Byers

© Keith Eric Costley
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Additional taxa

Greater/Lesser Scaup

Last seen: 14 Mar 2022 by Stacy Hartman