Black-bellied Whistling-Duck

January February March April May June July August September October November December
Week 1 Frequency: 0.1% Week 2 Frequency: 0.1% Week 3 Frequency: 0% Week 4 Frequency: <0.1% Week 1 Frequency: 0.1% Week 2 Frequency: 0.1% Week 3 Frequency: 0.1% Week 4 Frequency: 0.3% Week 1 Frequency: 0.6% Week 2 Frequency: 0.8% Week 3 Frequency: 1.4% Week 4 Frequency: 1.9% Week 1 Frequency: 2.8% Week 2 Frequency: 3.6% Week 3 Frequency: 3.7% Week 4 Frequency: 4.3% Week 1 Frequency: 4.4% Week 2 Frequency: 3.9% Week 3 Frequency: 4.5% Week 4 Frequency: 5.8% Week 1 Frequency: 5.5% Week 2 Frequency: 5.8% Week 3 Frequency: 5.6% Week 4 Frequency: 6.6% Week 1 Frequency: 4.9% Week 2 Frequency: 7.5% Week 3 Frequency: 7.2% Week 4 Frequency: 6.4% Week 1 Frequency: 6% Week 2 Frequency: 5.2% Week 3 Frequency: 5.5% Week 4 Frequency: 6.2% Week 1 Frequency: 5.7% Week 2 Frequency: 4.4% Week 3 Frequency: 3.8% Week 4 Frequency: 4.4% Week 1 Frequency: 3.1% Week 2 Frequency: 2.8% Week 3 Frequency: 1.7% Week 4 Frequency: 1.7% Week 1 Frequency: 1% Week 2 Frequency: 1.3% Week 3 Frequency: 0.9% Week 4 Frequency: 0.7% Week 1 Frequency: 0.9% Week 2 Frequency: 0.5% Week 3 Frequency: 0.1% Week 4 Frequency: 0.2%
Weekly frequency data

Last seen: 26 May 2020 by Timothy Guida

© Lillie Gibb
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Fulvous Whistling-Duck

January February March April May June July August September October November December
Week 1 Frequency: 0% Week 2 Frequency: 0% Week 3 Frequency: 0% Week 4 Frequency: 0% Week 1 Frequency: 0% Week 2 Frequency: 0% Week 3 Frequency: 0% Week 4 Frequency: 0% Week 1 Frequency: 0% Week 2 Frequency: 0% Week 3 Frequency: 0% Week 4 Frequency: 0% Week 1 Frequency: 0% Week 2 Frequency: 0.1% Week 3 Frequency: 0.1% Week 4 Frequency: 0.2% Week 1 Frequency: 0.1% Week 2 Frequency: 0.3% Week 3 Frequency: 0.1% Week 4 Frequency: 0.4% Week 1 Frequency: 0.7% Week 2 Frequency: 0.5% Week 3 Frequency: 0.2% Week 4 Frequency: 0.1% Week 1 Frequency: 0.1% Week 2 Frequency: 0.8% Week 3 Frequency: 0.5% Week 4 Frequency: 0.7% Week 1 Frequency: 0% Week 2 Frequency: 0.6% Week 3 Frequency: 0.7% Week 4 Frequency: 0.4% Week 1 Frequency: 0.1% Week 2 Frequency: 0.2% Week 3 Frequency: 0.2% Week 4 Frequency: 0% Week 1 Frequency: 0% Week 2 Frequency: 0% Week 3 Frequency: 0.1% Week 4 Frequency: 0% Week 1 Frequency: 0% Week 2 Frequency: 0% Week 3 Frequency: 0% Week 4 Frequency: 0% Week 1 Frequency: 0% Week 2 Frequency: 0% Week 3 Frequency: 0% Week 4 Frequency: 0%
Weekly frequency data

Last seen: 7 May 2020 by Brian Johnston

© Brian Johnston
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Snow Goose

January February March April May June July August September October November December
Week 1 Frequency: 4.7% Week 2 Frequency: 3% Week 3 Frequency: 2.8% Week 4 Frequency: 3% Week 1 Frequency: 2.6% Week 2 Frequency: 2.1% Week 3 Frequency: 1.6% Week 4 Frequency: 1.7% Week 1 Frequency: 0.9% Week 2 Frequency: 0.4% Week 3 Frequency: 0.4% Week 4 Frequency: 0.3% Week 1 Frequency: 0.2% Week 2 Frequency: 0.3% Week 3 Frequency: 0.2% Week 4 Frequency: 0.1% Week 1 Frequency: 0% Week 2 Frequency: <0.1% Week 3 Frequency: 0.1% Week 4 Frequency: 0% Week 1 Frequency: 0% Week 2 Frequency: 0% Week 3 Frequency: 0% Week 4 Frequency: 0% Week 1 Frequency: 0% Week 2 Frequency: 0.2% Week 3 Frequency: 0% Week 4 Frequency: 0% Week 1 Frequency: 0% Week 2 Frequency: 0% Week 3 Frequency: 0% Week 4 Frequency: 0% Week 1 Frequency: 0.1% Week 2 Frequency: 0% Week 3 Frequency: 0.1% Week 4 Frequency: 0% Week 1 Frequency: 0.1% Week 2 Frequency: 0.1% Week 3 Frequency: 0.1% Week 4 Frequency: 0.8% Week 1 Frequency: 0.8% Week 2 Frequency: 2.4% Week 3 Frequency: 3.3% Week 4 Frequency: 6.8% Week 1 Frequency: 6.4% Week 2 Frequency: 5.7% Week 3 Frequency: 4.5% Week 4 Frequency: 5.2%
Weekly frequency data

Last seen: 10 Apr 2020 by Jeffrey Harris

© Charles Rose, IV
© Tyler Petroelje

Ross's Goose

January February March April May June July August September October November December
Week 1 Frequency: 1.7% Week 2 Frequency: 1.5% Week 3 Frequency: 0.9% Week 4 Frequency: 0.8% Week 1 Frequency: 0.7% Week 2 Frequency: 0.6% Week 3 Frequency: 0.3% Week 4 Frequency: 0.9% Week 1 Frequency: 0.3% Week 2 Frequency: 0.1% Week 3 Frequency: 0.1% Week 4 Frequency: 0% Week 1 Frequency: 0% Week 2 Frequency: 0.1% Week 3 Frequency: <0.1% Week 4 Frequency: <0.1% Week 1 Frequency: 0% Week 2 Frequency: 0% Week 3 Frequency: 0% Week 4 Frequency: 0% Week 1 Frequency: 0% Week 2 Frequency: 0% Week 3 Frequency: 0% Week 4 Frequency: 0% Week 1 Frequency: 0% Week 2 Frequency: 0% Week 3 Frequency: 0% Week 4 Frequency: 0% Week 1 Frequency: 0% Week 2 Frequency: 0% Week 3 Frequency: 0% Week 4 Frequency: 0% Week 1 Frequency: 0% Week 2 Frequency: 0% Week 3 Frequency: 0% Week 4 Frequency: 0% Week 1 Frequency: 0% Week 2 Frequency: 0% Week 3 Frequency: 0% Week 4 Frequency: 0.1% Week 1 Frequency: 0.1% Week 2 Frequency: 0.4% Week 3 Frequency: 1.1% Week 4 Frequency: 2.3% Week 1 Frequency: 1.7% Week 2 Frequency: 2.4% Week 3 Frequency: 1.5% Week 4 Frequency: 2.4%
Weekly frequency data

Last seen: 10 Apr 2020 by Lauren Thead

© Bryan White
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Greater White-fronted Goose

January February March April May June July August September October November December
Week 1 Frequency: 3.5% Week 2 Frequency: 2% Week 3 Frequency: 2.4% Week 4 Frequency: 2.2% Week 1 Frequency: 1.8% Week 2 Frequency: 1.3% Week 3 Frequency: 0.8% Week 4 Frequency: 1.2% Week 1 Frequency: 0.5% Week 2 Frequency: 0.1% Week 3 Frequency: 0.1% Week 4 Frequency: 0.1% Week 1 Frequency: 0.1% Week 2 Frequency: 0.1% Week 3 Frequency: <0.1% Week 4 Frequency: 0% Week 1 Frequency: 0.1% Week 2 Frequency: 0% Week 3 Frequency: 0.1% Week 4 Frequency: 0% Week 1 Frequency: 0% Week 2 Frequency: 0% Week 3 Frequency: 0% Week 4 Frequency: 0.1% Week 1 Frequency: 0% Week 2 Frequency: 0% Week 3 Frequency: 0% Week 4 Frequency: 0% Week 1 Frequency: 0% Week 2 Frequency: 0% Week 3 Frequency: 0.1% Week 4 Frequency: 0.1% Week 1 Frequency: 0.1% Week 2 Frequency: 0.1% Week 3 Frequency: 0.1% Week 4 Frequency: 0% Week 1 Frequency: 0.2% Week 2 Frequency: 0.9% Week 3 Frequency: 1.3% Week 4 Frequency: 1.6% Week 1 Frequency: 0.9% Week 2 Frequency: 1.6% Week 3 Frequency: 1.8% Week 4 Frequency: 3.9% Week 1 Frequency: 3.5% Week 2 Frequency: 3.1% Week 3 Frequency: 2.7% Week 4 Frequency: 3.4%
Weekly frequency data

Last seen: 1 Mar 2020 by Lori McDonald

© Peter Kyne
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Brant

January February March April May June July August September October November December
Week 1 Frequency: 0% Week 2 Frequency: 0% Week 3 Frequency: 0.1% Week 4 Frequency: 0% Week 1 Frequency: 0% Week 2 Frequency: 0% Week 3 Frequency: 0% Week 4 Frequency: 0% Week 1 Frequency: 0% Week 2 Frequency: 0% Week 3 Frequency: 0% Week 4 Frequency: 0% Week 1 Frequency: 0% Week 2 Frequency: 0% Week 3 Frequency: 0% Week 4 Frequency: 0% Week 1 Frequency: 0% Week 2 Frequency: 0% Week 3 Frequency: 0% Week 4 Frequency: 0% Week 1 Frequency: 0% Week 2 Frequency: 0% Week 3 Frequency: 0% Week 4 Frequency: 0% Week 1 Frequency: 0.1% Week 2 Frequency: 0% Week 3 Frequency: 0% Week 4 Frequency: 0% Week 1 Frequency: 0% Week 2 Frequency: 0% Week 3 Frequency: 0% Week 4 Frequency: 0% Week 1 Frequency: 0% Week 2 Frequency: 0% Week 3 Frequency: 0% Week 4 Frequency: 0% Week 1 Frequency: 0% Week 2 Frequency: 0% Week 3 Frequency: 0% Week 4 Frequency: 0% Week 1 Frequency: 0% Week 2 Frequency: 0% Week 3 Frequency: 0% Week 4 Frequency: 0% Week 1 Frequency: 0% Week 2 Frequency: 0% Week 3 Frequency: 0.1% Week 4 Frequency: 0%
Weekly frequency data

Last seen: 18 Jan 1992 by Jeff R. Wilson

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Sora

Last seen: 10 May 2020 by Richard Preston

© Andrew Bell
© Strawberry Plain Audubon Center NFC Station
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Black Rail

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© Hal Mitchell
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