Slaty-backed Gull's primary wing-tip patterns

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 #10

  • O-seguro-kamome : Japanese name
  • Larus schistisagus : Scientific name
  • Imperial Palace moat Hibiya : Field
  • 2018/02/09 : Date
  • right wing : Sample wing
  • 100% : Confidence of ID


Slaty-backed Gull primaries 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.

2018/07/19

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Slaty-backed Gull #3

  • O-seguro-kamome : Japanese name
  • Larus schistisagus : Scientific name
  • Imperial Palace moat Hibiya : Field
  • 2015/12/18 : Date
  • right wing : Sample wing
  • 100% : Confidence of ID

Slaty-backed Gull wing-tip pattern Slaty-backed Gull Slaty-backed Gull

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

2016/04/22

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