Cepphus grylle (Linnaeus, 1758)
Black guillemot
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Family:  Alcidae ()
Max. size:  36 cm TL (male/unsexed); max.weight: 405.0 g
Environment:  others; marine; depth range 0 - 50 m
Distribution:  Northern Atlantic and the Arctic: Arctic Alaska, Canada, Atlantic Coast to Maine, Northern Europe and Scandinavia. Polar to Temperate.
Diagnosis:  Culmen: 3.28 cm; tarsus: 3.85 cm; wing: 13.72 cm.
Biology:  Total Length: 30 to 36 cm; Wingspan: 58 cm (Ref. 8812). Pursuit diving; pack ice edge; shallow open water; polynyas; <30 km. Arctic Alaska and Canada, Atlantic Coast to Maine, Northern Europe, Scandinavia (Ref. 356).
IUCN Red List Status: (LC); Date assessed: 07 August 2018 Ref. 123251)
Threat to humans: 
Country info:   

Entered by: Karpouzi, Vasiliki - 12.06.07
Modified by: Sorongon-Yap, Patricia - 10.06.22

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