Lesser Whistling-Duck

January February March April May June July August September October November December
Week 1 Frequency: 4.8% Week 2 Frequency: 23.1% Week 3 Frequency: 3.8% Week 4 Frequency: 17.9% Week 1 Frequency: 9.4% Week 2 Frequency: 9.4% Week 3 Frequency: 17% Week 4 Frequency: 6.7% Week 1 Frequency: 12.5% Week 2 Frequency: 17.9% Week 3 Frequency: 14.3% Week 4 Frequency: 21.4% Week 1 Frequency: 13.3% Week 2 Frequency: 14.3% Week 3 Frequency: 13.3% Week 4 Frequency: 0% Week 1 Frequency: 66.7% Week 2 Frequency: 25% Week 3 Frequency: 3.8% Week 4 Frequency: 0% Week 1 Frequency: 0% Week 2 Frequency: 0% Week 3 Insufficient data Week 4 Frequency: 0% Week 1 Frequency: 50% Week 2 Frequency: 20% Week 3 Frequency: 0% Week 4 Frequency: 40% 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: 9.1% Week 3 Frequency: 0% Week 4 Frequency: 5% Week 1 Frequency: 6.2% Week 2 Frequency: 19% Week 3 Frequency: 10.5% Week 4 Frequency: 13% Week 1 Frequency: 14.4% Week 2 Frequency: 17.4% Week 3 Frequency: 0.1% Week 4 Frequency: 7.3%
Weekly frequency data

Last seen: 18 May 2019 by Mukund Thakkar

© Lasse Olsson
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Bar-headed Goose

January February March April May June July August September October November December
Week 1 Frequency: 19% Week 2 Frequency: 46.2% Week 3 Frequency: 15.4% Week 4 Frequency: 28.6% Week 1 Frequency: 28.1% Week 2 Frequency: 28.2% Week 3 Frequency: 25.5% Week 4 Frequency: 23.3% Week 1 Frequency: 31.2% Week 2 Frequency: 17.9% Week 3 Frequency: 42.9% Week 4 Frequency: 21.4% Week 1 Frequency: 6.7% Week 2 Frequency: 14.3% Week 3 Frequency: 13.3% 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 Insufficient data 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: 9.5% Week 3 Frequency: 0% Week 4 Frequency: 23.9% Week 1 Frequency: 24.6% Week 2 Frequency: 26.1% Week 3 Frequency: 50% Week 4 Frequency: 14.6%
Weekly frequency data

Last seen: 23 Mar 2019 by Ramesh Narula

© Tom Johnson
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Graylag Goose

January February March April May June July August September October November December
Week 1 Frequency: 4.8% Week 2 Frequency: 3.8% Week 3 Frequency: 3.8% Week 4 Frequency: 0% Week 1 Frequency: 9.4% Week 2 Frequency: 1.2% Week 3 Frequency: 2.1% 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: 0.1% 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 Insufficient data 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: 3.1% Week 2 Frequency: 0.1% Week 3 Frequency: 0% Week 4 Frequency: 15.2% Week 1 Frequency: 4.2% Week 2 Frequency: 8.7% Week 3 Frequency: 12.5% Week 4 Frequency: 9.8%
Weekly frequency data

Last seen: 19 Feb 2019 by Warren Regelmann

© Tom Johnson
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Knob-billed Duck

January February March April May June July August September October November December
Week 1 Frequency: 19% Week 2 Frequency: 7.7% Week 3 Frequency: 11.5% Week 4 Frequency: 17.9% Week 1 Frequency: 21.9% Week 2 Frequency: 12.9% Week 3 Frequency: 17% Week 4 Frequency: 10% Week 1 Frequency: 21.9% Week 2 Frequency: 17.9% Week 3 Frequency: 21.4% Week 4 Frequency: 25% Week 1 Frequency: 26.7% Week 2 Frequency: 14.3% Week 3 Frequency: 26.7% Week 4 Frequency: 33.3% Week 1 Frequency: 100% Week 2 Frequency: 0% Week 3 Frequency: 0% Week 4 Frequency: 10% Week 1 Frequency: 16.7% Week 2 Frequency: 0% Week 3 Insufficient data Week 4 Frequency: 0% Week 1 Frequency: 0% Week 2 Frequency: 20% Week 3 Frequency: 0% Week 4 Frequency: 10% Week 1 Frequency: 0% Week 2 Frequency: 0% Week 3 Frequency: 25% Week 4 Frequency: 0.1% Week 1 Frequency: 0.1% Week 2 Frequency: 28.6% 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: 3.1% Week 2 Frequency: 4.8% Week 3 Frequency: 0% Week 4 Frequency: 4.3% Week 1 Frequency: 15.3% Week 2 Frequency: 13% Week 3 Frequency: 12.5% Week 4 Frequency: 9.8%
Weekly frequency data

Last seen: 16 Aug 2019 by Anonymous eBirder

© Lasse Olsson
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Ruddy Shelduck

January February March April May June July August September October November December
Week 1 Frequency: 33.3% Week 2 Frequency: 65.4% Week 3 Frequency: 19.2% Week 4 Frequency: 35.7% Week 1 Frequency: 50% Week 2 Frequency: 41.2% Week 3 Frequency: 40.4% Week 4 Frequency: 40% Week 1 Frequency: 34.4% Week 2 Frequency: 35.7% Week 3 Frequency: 46.4% Week 4 Frequency: 28.6% Week 1 Frequency: 33.3% Week 2 Frequency: 28.6% Week 3 Frequency: 20% Week 4 Frequency: 0% Week 1 Frequency: 33.3% Week 2 Frequency: 0% Week 3 Frequency: 0% Week 4 Frequency: 0% Week 1 Frequency: 0% Week 2 Frequency: 0% Week 3 Insufficient data 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: 25% Week 2 Frequency: 0% Week 3 Frequency: 0% Week 4 Frequency: 0% Week 1 Frequency: 0% Week 2 Frequency: 0% Week 3 Frequency: 9.1% Week 4 Frequency: 5% Week 1 Frequency: 28.1% Week 2 Frequency: 57.1% Week 3 Frequency: 36.8% Week 4 Frequency: 45.7% Week 1 Frequency: 36.4% Week 2 Frequency: 39.1% Week 3 Frequency: 87.5% Week 4 Frequency: 41.5%
Weekly frequency data

Last seen: 7 Nov 2019 by Roozbeh Gazdar

© Tom Johnson
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Common Shelduck

January February March April May June July August September October November December
Week 1 Frequency: 0.1% Week 2 Frequency: 0% Week 3 Frequency: 1.9% 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 Insufficient data 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: 0.8% Week 2 Frequency: 4.3% Week 3 Frequency: 0% Week 4 Frequency: 0%
Weekly frequency data

Last seen: 10 Dec 2018 by Suzette Stitely

© Prathamesh Desai
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Rock Eagle-Owl

© Eric Peterson
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