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立川市--国営昭和記念公園 (Tachikawa--Showa Kinen Park)

Illustrated Checklist

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Mandarin Duck

January February March April May June July August September October November December
Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:14.3% Week3Frequency:0% Week4Frequency:0% Week1Insufficient data Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Insufficient data Week3Insufficient data Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:40% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0%
Weekly frequency data

Last seen: 17 Nov 2019 by Atsushi Shimazaki

Mandarin Duck, ML141042411
© Atsushi Shimazaki
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Baikal Teal

January February March April May June July August September October November December
Week1Frequency:0% Week2Frequency:0% Week3Frequency:11.1% Week4Frequency:33.3% Week1Frequency:33.3% Week2Frequency:16.7% Week3Frequency:16.7% Week4Frequency:27.3% Week1Frequency:25% Week2Frequency:28.6% Week3Frequency:0% Week4Frequency:33.3% Week1Insufficient data Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Insufficient data Week3Insufficient data Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0%
Weekly frequency data

Last seen: 7 Mar 2022 by 木住野 陸

Baikal Teal, ML141124941
© Atsushi Shimazaki
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Northern Shoveler

January February March April May June July August September October November December
Week1Frequency:60% Week2Frequency:60% Week3Frequency:55.6% Week4Frequency:66.7% Week1Frequency:66.7% Week2Frequency:41.7% Week3Frequency:33.3% Week4Frequency:36.4% Week1Frequency:37.5% Week2Frequency:14.3% Week3Frequency:33.3% Week4Frequency:66.7% Week1Insufficient data Week2Frequency:50% Week3Frequency:20% Week4Frequency:0% Week1Frequency:33.3% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Insufficient data Week3Insufficient data Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:25% Week3Frequency:14.3% Week4Frequency:0% Week1Frequency:50% Week2Frequency:33.3% Week3Frequency:20% Week4Frequency:42.9% Week1Frequency:50% Week2Frequency:66.7% Week3Frequency:0% Week4Frequency:33.3%
Weekly frequency data

Last seen: 11 Feb 2023 by Mizuho Inoue

Northern Shoveler, ML189331271
© Atsushi Shimazaki
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Gadwall

January February March April May June July August September October November December
Week1Frequency:40% Week2Frequency:20% Week3Frequency:33.3% Week4Frequency:44.4% Week1Frequency:66.7% Week2Frequency:25% Week3Frequency:33.3% Week4Frequency:27.3% Week1Frequency:12.5% Week2Frequency:14.3% Week3Frequency:33.3% Week4Frequency:33.3% Week1Insufficient data Week2Frequency:0% Week3Frequency:20% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Insufficient data Week3Insufficient data Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:25% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:14.3% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:33.3%
Weekly frequency data

Last seen: 15 Jan 2023 by masato yasue

Gadwall, ML196666961
© Atsushi Shimazaki
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Eurasian Wigeon

January February March April May June July August September October November December
Week1Frequency:100% Week2Frequency:60% Week3Frequency:77.8% Week4Frequency:88.9% Week1Frequency:66.7% Week2Frequency:58.3% Week3Frequency:66.7% Week4Frequency:72.7% Week1Frequency:37.5% Week2Frequency:71.4% Week3Frequency:33.3% Week4Frequency:83.3% Week1Insufficient data Week2Frequency:100% Week3Frequency:40% Week4Frequency:40% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Insufficient data Week3Insufficient data Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:20% Week1Frequency:0% Week2Frequency:100% Week3Frequency:71.4% Week4Frequency:75% Week1Frequency:100% Week2Frequency:100% Week3Frequency:100% Week4Frequency:71.4% Week1Frequency:100% Week2Frequency:100% Week3Frequency:50% Week4Frequency:66.7%
Weekly frequency data

Last seen: 11 Mar 2023 by Mizuho Inoue

Eurasian Wigeon, ML191710871
© Atsushi Shimazaki
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22

American Wigeon

January February March April May June July August September October November December
Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Insufficient data Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Insufficient data Week3Insufficient data Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:14.3% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0%
Weekly frequency data

Last seen: 23 Nov 2020 by yasuhiro kojima

American Wigeon, ML339380391
© yasuhiro kojima
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Exotic: Escapee

Hybrids

Additional taxa