'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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Gull species name : all
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Number of Primary blacks : all pieces
Is P8 Tongue : all
Result : 115 Hit !!

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Slaty-backed Gull#9

  • 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.

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Unclear Gull#4

  • Wakaranai-Kamome : Japanese name
  • Larus ? : Scientific name
  • Imperial Palace moat Hibiya : Field
  • 2017/01/30 : Date
  • right wing : Sample wing
  • 1% : Confidence of ID


Unclear Gull primaries wing-tip pattern What Gull What Gull

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Unclear Gull#2

  • Wakaranai-Kamome : Japanese name
  • Larus ? : Scientific name
  • Imperial Palace moat Hibiya : Field
  • 2016/12/30 : Date
  • right wing : Sample wing
  • 10% : Confidence of ID


Thayer's Gull wing-tip pattern Thayer's Gull Thayer's Gull

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