Date picture taken: 2016/12/30
Imperial Palace Moat : field
Post: 2017/02/25

Thayer's Gull
Larus glaucoides thayeri
Kanada-kamome

all upload images:26

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The fourth Thayer's Gull which I watched in this season at the Imperial Palace. The primaries pattern of this gull is not a typical pattern of Thayer's Gull. Although black markings of this gull's primaries are not jet black but slightly light black. But I'm not sure about this bird.

2017-02-25 00:01:07 | comment(0)

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