Adult Great Black-backed Gull
(URL= http://www.BirdId.org/displaybirddetail.aspx?UniqueId=124-230   )
Characteristics
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 10/12/2017 21:10:00
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 64 to 78 cms
Weight 1000 to 2100 gms
Wingspan 150 to 170 cms
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 NAYNorth America
CAYUSY
Country USYUnited States
AZNCANFLYIAYKSYMAYMIYMNYMOYNJYOKR
Region EUYEurope
CHYDEYESNFRYGBYIEY
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Bird Id - Bird Identification - Adult Great Black-backed Gull (Species=Larus marinus / Standard Name=Great Black-backed Gull)