Adult Great Black-backed Gull

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Colouring Black back, white head, yellow bill
Voice Deep, barking notes
Feeds on Fish, molluscs, insects, offal
Flight Strong but heavy
Nesting Ground
Social Flocks
Adult Great Black-backed Gull
Adult Great Black-backed Gull
Also Known As ..
Glaucous-winged Gull
Page Last Updated 11/9/2019 3:25:13 PM
Base Information
Sex Both
Age Adult
Status Secure
Order Charadriiformes
Family Laridae
Species Larus marinus
Category Gulls
StdName Great Black-backed Gull
Vital Statistics
Length 25.2 to 30.7 ins
Weight 35.4 to 74.3 ozs
Wingspan 59.1 to 66.9 ins
Lifespan 10 to 20 years
Beak Length Medium
Beak Width Wide
Beak Shape General
Tail Length Medium
Distribution YCommon RRare VVery Rare NNot Seen
Region EUYEurope
Region NAYNorth America
Country USYUnited States
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Bird Id - Bird Identification - Adult Great Black-backed Gull (Species=Larus marinus / Standard Name=Great Black-backed Gull)