Black-bellied Whistling-Duck

January February March April May June July August September October November December
Week 1 Frequency: 11.1% Week 2 Frequency: 9.1% Week 3 Frequency: 11.6% Week 4 Frequency: 11.9% Week 1 Frequency: 13% Week 2 Frequency: 10.9% Week 3 Frequency: 12.2% Week 4 Frequency: 13.5% Week 1 Frequency: 16.6% Week 2 Frequency: 26.5% Week 3 Frequency: 33.1% Week 4 Frequency: 42.1% Week 1 Frequency: 48.7% Week 2 Frequency: 51.7% Week 3 Frequency: 52.2% Week 4 Frequency: 52.2% Week 1 Frequency: 53.9% Week 2 Frequency: 52.7% Week 3 Frequency: 57.1% Week 4 Frequency: 47.9% Week 1 Frequency: 51% Week 2 Frequency: 51.3% Week 3 Frequency: 47.6% Week 4 Frequency: 43.5% Week 1 Frequency: 47.5% Week 2 Frequency: 43.4% Week 3 Frequency: 46.7% Week 4 Frequency: 41.5% Week 1 Frequency: 40.7% Week 2 Frequency: 41.6% Week 3 Frequency: 37.5% Week 4 Frequency: 38.4% Week 1 Frequency: 33.8% Week 2 Frequency: 29.5% Week 3 Frequency: 30.3% Week 4 Frequency: 35.4% Week 1 Frequency: 30.7% Week 2 Frequency: 29.4% Week 3 Frequency: 31.1% Week 4 Frequency: 26.5% Week 1 Frequency: 30% Week 2 Frequency: 27.4% Week 3 Frequency: 21.6% Week 4 Frequency: 20% Week 1 Frequency: 20.7% Week 2 Frequency: 19.4% Week 3 Frequency: 16.3% Week 4 Frequency: 14.6%
Weekly frequency data

Last seen: 21 Apr 2019 by Donna Otto

© Dan Jones
© Mark Dennis

Fulvous Whistling-Duck

January February March April May June July August September October November December
Week 1 Frequency: 3.4% Week 2 Frequency: 2.2% Week 3 Frequency: 2.8% Week 4 Frequency: 2.7% Week 1 Frequency: 2.7% Week 2 Frequency: 2.4% Week 3 Frequency: 2.5% Week 4 Frequency: 3.4% Week 1 Frequency: 4.6% Week 2 Frequency: 5.8% Week 3 Frequency: 5% Week 4 Frequency: 9.8% Week 1 Frequency: 10.9% Week 2 Frequency: 10.4% Week 3 Frequency: 12.7% Week 4 Frequency: 13.1% Week 1 Frequency: 8.5% Week 2 Frequency: 5.8% Week 3 Frequency: 6.9% Week 4 Frequency: 5.4% Week 1 Frequency: 4.7% Week 2 Frequency: 6.5% Week 3 Frequency: 6.7% Week 4 Frequency: 6.3% Week 1 Frequency: 9.4% Week 2 Frequency: 7.9% Week 3 Frequency: 9.2% Week 4 Frequency: 10.3% Week 1 Frequency: 9.6% Week 2 Frequency: 9.6% Week 3 Frequency: 8% Week 4 Frequency: 9.8% Week 1 Frequency: 7.2% Week 2 Frequency: 4.3% Week 3 Frequency: 4.1% Week 4 Frequency: 2.8% Week 1 Frequency: 2.3% Week 2 Frequency: 3.1% Week 3 Frequency: 3.9% Week 4 Frequency: 2.3% Week 1 Frequency: 8.8% Week 2 Frequency: 9.5% Week 3 Frequency: 4.7% Week 4 Frequency: 3.7% Week 1 Frequency: 3.5% Week 2 Frequency: 4.2% Week 3 Frequency: 3.7% Week 4 Frequency: 3.9%
Weekly frequency data

Last seen: 21 Apr 2019 by Anne Mytych

© Joel Gilb
© Paul Marvin

Snow Goose

January February March April May June July August September October November December
Week 1 Frequency: 2.9% Week 2 Frequency: 1.9% Week 3 Frequency: 2.8% Week 4 Frequency: 2.6% Week 1 Frequency: 2.3% Week 2 Frequency: 1.5% Week 3 Frequency: 1.2% Week 4 Frequency: 1.3% Week 1 Frequency: 0.2% Week 2 Frequency: 0.5% Week 3 Frequency: 0.1% Week 4 Frequency: 0.1% Week 1 Frequency: <0.1% 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% 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: 0.5% Week 4 Frequency: 1.2% Week 1 Frequency: 0.9% Week 2 Frequency: 2.7% Week 3 Frequency: 1.1% Week 4 Frequency: 3.1% Week 1 Frequency: 3.5% Week 2 Frequency: 3.2% Week 3 Frequency: 3.5% Week 4 Frequency: 3.3%
Weekly frequency data

Last seen: 16 Mar 2019 by Ryan Rodriguez

© Wen & Steve Rockoff
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Ross's Goose

January February March April May June July August September October November December
Week 1 Frequency: 0.6% Week 2 Frequency: 0.3% Week 3 Frequency: 0.2% Week 4 Frequency: 0.5% Week 1 Frequency: 0.4% Week 2 Frequency: 0.2% Week 3 Frequency: 0.1% Week 4 Frequency: 0.3% 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% 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: 0.2% Week 1 Frequency: 0.3% Week 2 Frequency: 0.2% Week 3 Frequency: 0.1% Week 4 Frequency: 0.4% Week 1 Frequency: 0.8% Week 2 Frequency: 0.8% Week 3 Frequency: 0.9% Week 4 Frequency: 0.6%
Weekly frequency data

Last seen: 27 Feb 2019 by John Yochum

© Dan Jones
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Greater White-fronted Goose

January February March April May June July August September October November December
Week 1 Frequency: 4.2% Week 2 Frequency: 3.1% Week 3 Frequency: 2.3% Week 4 Frequency: 2.2% Week 1 Frequency: 1.7% Week 2 Frequency: 1.5% Week 3 Frequency: 1.1% Week 4 Frequency: 0.4% Week 1 Frequency: 0% 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% 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: 0.9% Week 3 Frequency: 3.8% Week 4 Frequency: 4.1% Week 1 Frequency: 3.2% Week 2 Frequency: 5.6% Week 3 Frequency: 2.6% Week 4 Frequency: 5.5% Week 1 Frequency: 4% Week 2 Frequency: 4.3% Week 3 Frequency: 4.6% Week 4 Frequency: 3.5%
Weekly frequency data

Last seen: 27 Feb 2019 by Larry & Jan Kraemer

© Dan Jones
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Cackling Goose

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

Last seen: 21 Dec 2012 by John Yochum

© Dan Jones
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