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: <0.1% 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% Week 3 Frequency: 0.1% Week 4 Frequency: 0% 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% 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: <0.1% 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%
Weekly frequency data

Last seen: 12 Sep 2017 by Ben Sandstrom

© Tom Benson
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Fulvous 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% Week 1 Frequency: 0% 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: <0.1% 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: <0.1% 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: <0.1% 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: <0.1% Week 3 Frequency: <0.1% Week 4 Frequency: <0.1% Week 1 Frequency: 0% 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: <0.1% Week 1 Frequency: <0.1% Week 2 Frequency: <0.1% Week 3 Frequency: <0.1% Week 4 Frequency: <0.1%
Weekly frequency data

Last seen: 20 Jul 2018 by Don Sterba

© Dave Furseth
© Thomas Miko

Emperor 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: <0.1% Week 4 Frequency: 0.2% 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: 0.1% 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: <0.1% 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: <0.1% 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: <0.1% 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: <0.1%
Weekly frequency data

Last seen: 8 Apr 2020 by Courtney Woodrow

© Derek Hameister
© Brook OConnor

Snow Goose

January February March April May June July August September October November December
Week 1 Frequency: 3.5% Week 2 Frequency: 3.8% Week 3 Frequency: 3.9% Week 4 Frequency: 4% Week 1 Frequency: 3.4% Week 2 Frequency: 2.8% Week 3 Frequency: 2.3% Week 4 Frequency: 2.5% Week 1 Frequency: 2.1% Week 2 Frequency: 1.9% Week 3 Frequency: 1.5% Week 4 Frequency: 1.2% Week 1 Frequency: 0.8% Week 2 Frequency: 0.7% Week 3 Frequency: 0.6% Week 4 Frequency: 0.5% Week 1 Frequency: 0.3% Week 2 Frequency: 0.3% 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: 0.1% 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: 0.1% Week 3 Frequency: 0.2% Week 4 Frequency: 0.2% Week 1 Frequency: 0.2% Week 2 Frequency: 0.2% Week 3 Frequency: 0.2% Week 4 Frequency: 0.2% Week 1 Frequency: 0.4% Week 2 Frequency: 0.5% Week 3 Frequency: 0.9% Week 4 Frequency: 1.5% Week 1 Frequency: 2.1% Week 2 Frequency: 3.1% Week 3 Frequency: 3.7% Week 4 Frequency: 3.8% Week 1 Frequency: 4% Week 2 Frequency: 3.7% Week 3 Frequency: 3.2% Week 4 Frequency: 3.5%
Weekly frequency data

Last seen: 22 May 2020 by John Birsner

© Bill Hill
© Paul Marvin

Ross's Goose

January February March April May June July August September October November December
Week 1 Frequency: 1.9% Week 2 Frequency: 1.8% Week 3 Frequency: 2.1% Week 4 Frequency: 2% Week 1 Frequency: 1.7% Week 2 Frequency: 1.3% Week 3 Frequency: 1% Week 4 Frequency: 1.1% Week 1 Frequency: 0.9% Week 2 Frequency: 0.8% Week 3 Frequency: 0.6% Week 4 Frequency: 0.5% Week 1 Frequency: 0.3% Week 2 Frequency: 0.3% Week 3 Frequency: 0.3% Week 4 Frequency: 0.3% Week 1 Frequency: 0.2% Week 2 Frequency: 0.2% Week 3 Frequency: 0.2% Week 4 Frequency: 0.2% Week 1 Frequency: 0.2% 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: 0.1% Week 1 Frequency: 0.1% Week 2 Frequency: 0.1% Week 3 Frequency: 0.1% Week 4 Frequency: 0.1% Week 1 Frequency: 0.2% Week 2 Frequency: 0.2% Week 3 Frequency: 0.2% Week 4 Frequency: 0.2% Week 1 Frequency: 0.2% Week 2 Frequency: 0.2% Week 3 Frequency: 0.3% Week 4 Frequency: 0.5% Week 1 Frequency: 1% Week 2 Frequency: 1.5% Week 3 Frequency: 2% Week 4 Frequency: 2% Week 1 Frequency: 2.2% Week 2 Frequency: 2.1% Week 3 Frequency: 1.7% Week 4 Frequency: 2%
Weekly frequency data

Last seen: 19 May 2020 by Ken Burgdorff

© Patrick Sysiong
© Paul Marvin

Greater White-fronted Goose

January February March April May June July August September October November December
Week 1 Frequency: 3.8% Week 2 Frequency: 3.9% Week 3 Frequency: 4.3% Week 4 Frequency: 4.6% Week 1 Frequency: 3.8% Week 2 Frequency: 3.4% Week 3 Frequency: 2.9% Week 4 Frequency: 3.3% Week 1 Frequency: 2.8% Week 2 Frequency: 2.8% Week 3 Frequency: 2.2% Week 4 Frequency: 2% Week 1 Frequency: 1.7% Week 2 Frequency: 1.9% Week 3 Frequency: 2% Week 4 Frequency: 1.1% Week 1 Frequency: 0.5% Week 2 Frequency: 0.4% Week 3 Frequency: 0.4% Week 4 Frequency: 0.3% Week 1 Frequency: 0.2% Week 2 Frequency: 0.2% Week 3 Frequency: 0.2% Week 4 Frequency: 0.2% Week 1 Frequency: 0.2% Week 2 Frequency: 0.3% Week 3 Frequency: 0.2% Week 4 Frequency: 0.3% Week 1 Frequency: 0.2% Week 2 Frequency: 0.2% Week 3 Frequency: 0.3% Week 4 Frequency: 0.3% Week 1 Frequency: 0.3% Week 2 Frequency: 0.5% Week 3 Frequency: 0.9% Week 4 Frequency: 2.5% Week 1 Frequency: 3.3% Week 2 Frequency: 3% Week 3 Frequency: 2.9% Week 4 Frequency: 2.9% Week 1 Frequency: 3% Week 2 Frequency: 3% Week 3 Frequency: 3.8% Week 4 Frequency: 3.9% Week 1 Frequency: 4% Week 2 Frequency: 3.7% Week 3 Frequency: 3.1% Week 4 Frequency: 3.5%
Weekly frequency data

Last seen: 23 May 2020 by Alvaro Jaramillo

© Lucas Bobay
© Ed Pandolfino

Black Rail

© Scott Bowers
© Geoffrey A. Keller