Larus schistisagus Stejneger, 1884
Slaty-backed gull
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Family:  Laridae ()
Max. size:  68 cm TL (male/unsexed); max.weight: 1,327.0 g
Environment:  others; marine
Distribution:  Northern Pacific, Northern Atlantic and the Arctic.
Diagnosis:  Culmen: 5.55 cm; tarsus: 6.78 cm; wing: 43.1 cm.
Biology:  Total Length: 61 to 68 cm; Wingspan: 132 to 137 cm (Ref. 8812). Found on beach and shoreline (Ref. 116102). Dipping; surface plunging; coastal; steep cliffs, rocky islands.
IUCN Red List Status: (LC); Date assessed: 08 August 2018 Ref. 123251)
Threat to humans: 
Country info:   
 

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