Juvenile Great Black-backed Gull
(URL= http://www.BirdId.co.uk/displaybirddetail.aspx?UniqueId=939-230   )
Characteristics
Colouring Grey back, white head, black bill
Voice Deep, barking notes
Feeds on Fish, molluscs, insects, offal
Flight Strong but heavy
Nesting Ground
Social Flocks
Juvenile Great Black-backed Gull
Juvenile Great Black-backed Gull
Also Known As ..
Glaucous-winged Gull
Page Last Updated 10/10/2017 00:34:00
Base Information
Sex Both
Age Juvenile
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 EUYEurope
CHYDEYESNFRYGBYIEY
Region NAYNorth America
CAYUSY
Country USYUnited States
AZNCANFLYIAYKSYMAYMIYMNYMOYNJYOKR
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Bird Id - Bird Identification - Juvenile Great Black-backed Gull (Species=Larus marinus / Standard Name=Great Black-backed Gull)