Date picture taken: 2016/12/23
Imperial Palace Moat : field
Post: 2017/02/06

Thayer's Gull
Larus glaucoides thayeri
Kanada-kamome

all upload images:16

Thayer's GullThayer's GullThayer's GullThayer's GullThayer's GullThayer's GullThayer's GullThayer's GullThayer's GullThayer's GullThayer's GullThayer's GullThayer's GullThayer's GullThayer's GullThayer's Gull

The third 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. And this gull's black markings on primaries reach P4. I think that Thayer's Gull with seven black markings on its primaries is a minority.

2017-02-06 00:03:09 | comment(0)

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