Black-bellied 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% Week 3 Frequency: 0% Week 4 Frequency: 0% Week 1 Frequency: 0.1% Week 2 Frequency: 0% Week 3 Frequency: 0% Week 4 Frequency: <0.1% Week 1 Frequency: 0% Week 2 Frequency: 0% Week 3 Frequency: 0.4% Week 4 Frequency: 0.3% 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: 0.1% 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%
Weekly frequency data

Last seen: 22 May 2019 by Christy Hubbard

© Bonnie Graham
© Tom Lally
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Fulvous Whistling-Duck

January February March April May June July August September October November December
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Weekly frequency data

Last seen: 7 Dec 1919 by Illinois Rare Birds Records Data

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Snow Goose

January February March April May June July August September October November December
Week 1 Frequency: 0.1% Week 2 Frequency: 0.2% Week 3 Frequency: 0.3% Week 4 Frequency: 1.1% Week 1 Frequency: 0.2% Week 2 Frequency: <0.1% Week 3 Frequency: 0.5% Week 4 Frequency: 1.8% Week 1 Frequency: 1.1% Week 2 Frequency: 0.7% Week 3 Frequency: 0.4% Week 4 Frequency: 0.2% Week 1 Frequency: 0.3% Week 2 Frequency: 0.3% 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: <0.1% 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: <0.1% Week 2 Frequency: 0.1% Week 3 Frequency: 0.1% Week 4 Frequency: 0.3% Week 1 Frequency: 0.9% Week 2 Frequency: 0.4% Week 3 Frequency: 0.8% Week 4 Frequency: 1% Week 1 Frequency: 0.8% Week 2 Frequency: 1% Week 3 Frequency: 1% Week 4 Frequency: 1.5% Week 1 Frequency: 1.1% Week 2 Frequency: 1.1% Week 3 Frequency: 0.9% Week 4 Frequency: 0.8%
Weekly frequency data

Last seen: 6 Oct 2019 by Peter Lowther

© Isoo O'Brien
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Ross's Goose

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: 0.7% Week 4 Frequency: 0.3% Week 1 Frequency: <0.1% Week 2 Frequency: 0.5% Week 3 Frequency: 0.2% Week 4 Frequency: 0.9% Week 1 Frequency: 0.2% Week 2 Frequency: 0.2% Week 3 Frequency: <0.1% Week 4 Frequency: 0.1% Week 1 Frequency: 0.1% Week 2 Frequency: 0.3% Week 3 Frequency: <0.1% Week 4 Frequency: <0.1% Week 1 Frequency: 0.1% Week 2 Frequency: <0.1% 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% 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% 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: <0.1% Week 3 Frequency: 0.3% Week 4 Frequency: 0.2%
Weekly frequency data

Last seen: 10 Apr 2018 by Chris Rademacher

© Krzysztof Kurylowicz
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Greater White-fronted Goose

January February March April May June July August September October November December
Week 1 Frequency: 0.3% Week 2 Frequency: 0.2% Week 3 Frequency: 0.3% Week 4 Frequency: 0.4% Week 1 Frequency: 0.6% Week 2 Frequency: 0.4% Week 3 Frequency: 0.6% Week 4 Frequency: 1.1% Week 1 Frequency: 0.3% Week 2 Frequency: 0.8% Week 3 Frequency: 0.2% Week 4 Frequency: 0.1% Week 1 Frequency: 0.4% Week 2 Frequency: 0.2% 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: <0.1% 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: <0.1% Week 1 Frequency: <0.1% Week 2 Frequency: 0.4% Week 3 Frequency: 0.3% Week 4 Frequency: 0.2% Week 1 Frequency: 0.1% Week 2 Frequency: <0.1% Week 3 Frequency: 0.1% Week 4 Frequency: 0.2% Week 1 Frequency: 0.2% Week 2 Frequency: 0.1% Week 3 Frequency: 0.2% Week 4 Frequency: 0.2%
Weekly frequency data

Last seen: 19 Mar 2019 by Eddie Kasper

© Linda Coady
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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% 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% 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% Week 4 Frequency: <0.1% Week 1 Frequency: 0% Week 2 Frequency: 0% Week 3 Frequency: 0% Week 4 Frequency: 0.2% Week 1 Frequency: 0.1% Week 2 Frequency: 0.4% Week 3 Frequency: 0.5% Week 4 Frequency: 0.5% Week 1 Frequency: 0.2% Week 2 Frequency: 0.2% Week 3 Frequency: 0% Week 4 Frequency: 0%
Weekly frequency data

Last seen: 11 Dec 2016 by Geoffrey A. Williamson

© Frederick Ruckersfeldt
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Black Rail

© Cook County Archives {re: Eric Walters}
© Geoffrey A. Williamson
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