Larus marinus Linnaeus, 1758
Great black-backed gull
Larus marinus
photo by Fenwick, David

Family:  Laridae ()
Max. size:  79 cm TL (male/unsexed); max.weight: 1,488.0 g
Environment:  others; freshwater; marine
Distribution:  Indo-Pacific, Atlantic Ocean, Mediterranean and the Arctic: Belize, Newfoundland, Egypt and Russia. Tropical to polar.
Diagnosis:  Culmen: 6.48 cm; tarsus: 8.04 cm; wing: 48.1 cm.
Biology:  Total Length: 71 to 79 cm; Wingspan: 152 to 167 cm (Ref. 8812). Found on beach and shoreline (Ref. 116102). Occupy the continental shelf; <100 km (Ref. 356). Largely dependent on freshwater and terrestrial environments. Feeds mostly on non-fish vertebrate prey (Ref. 95711). Displays surface-seizing and dipping behavior (Ref. 356). In the North Sea off the coasts of Scotland and northern England, is known to partially feed on the sandeel, Ammodytes marinus (Ref. 95711).
IUCN Red List Status: (LC); Date assessed: 07 August 2018 Ref. 123251)
Threat to humans: 
Country info:   
 

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