Gulls primary wing-tip patterns

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Variations of the primary wing-tip pattern of large gulls such as Vega Gull are various and it can be said that each individual is all different. However, this primary wing-tip pattern has a characteristic in each species and this is one of the important information to judge the species. A purpose of this site is to see the variety of variations of the primary wing-tip pattern of large gulls.

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Slaty-backed Gull #2

  • O-seguro-kamome : Japanese name
  • Larus schistisagus : Scientific name
  • Imperial Palace moat Hibiya : Field
  • 2016/01/25 : Date
  • left wing : Sample wing
  • 100% : Confidence of ID

*** I am working on translating Japanese articles into English in order, so please wait.***
Slaty-backed Gull wing-tip pattern Slaty-backed Gull Slaty-backed Gull

Please let me know if you find any mistakes of judging species by leaving a message on the Gull individual page.

2016/04/19

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Mew Gull #11

  • Kamchatka Gull
  • Kamome   : Japanese name
  • Larus canus kamtschatschensis : Scientific name
  • Imperial Palace moat Hibiya : Field
  • 2016/03/16 : Date
  • right wing : Sample wing
  • 100% : Confidence of ID


Small white mirror on primary no.8. This wing pattern is almost identical of L. canus canus. What is this? I’m not sure.
 Mew Gull wing-tip pattern Mew Gull Mew Gull

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2016/04/18

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Mew Gull #10

*** I am working on translating Japanese articles into English in order, so please wait.***
Mew Gull wing-tip pattern 1601170031 Mew Gull

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2016/04/17

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Mew Gull #9


White moon on P8 is so huge. There is a possibility this is a brachyrhynchus. But I think that this bird is a kamtschatschensis.
 Mew Gull wing-tip pattern Mew Gull Mew Gull

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2016/04/17

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Mew Gull #8


White moon on P8 is big. But iris is not dark. This does not seem to be a brachyrhynchus.
 Mew Gull wing-tip pattern Mew Gull Mew Gull

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2016/04/17

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Mew Gull #7

  • Kamchatka Gull
  • Kamome   : Japanese name
  • Larus canus kamtschatschensis : Scientific name
  • Imperial Palace moat Hibiya : Field
  • 2016/03/08 : Date
  • left wing : Sample wing
  • 100% : Confidence of ID


White moon on P8 is so huge. There is a possibility this is a brachyrhynchus. But I think that this bird is a kamtschatschensis.
 Mew Gull wing-tip pattern Mew Gull Mew Gull

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2016/04/17

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Mew Gull #6

  • Kamchatka Gull
  • Kamome   : Japanese name
  • Larus canus kamtschatschensis : Scientific name
  • Kasai Rinkai Park : Field
  • 2016/03/29 : Date
  • right wing : Sample wing
  • 100% : Confidence of ID


It seems that Kamchatka show almost the same characteristics.
 Mew Gull wing-tip pattern Mew Gull Mew Gull

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2016/04/17

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Mew Gull #5

  • Kamchatka Gull
  • Kamome   : Japanese name
  • Larus canus kamtschatschensis : Scientific name
  • Kasai Rinkai Park : Field
  • 2016/03/29 : Date
  • right wing : Sample wing
  • 100% : Confidence of ID

Mew Gull wing-tip pattern Mew Gull Mew Gull

To inform me about your opinions of this bird by leaving a message on the Gull individual page.

2016/04/17

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