Family: |
Stercorariidae () |
Max. size: |
67 cm TL (male/unsexed); max.weight: 465.0 g |
Environment: |
others; marine |
Distribution: |
Indo-Pacific, Atlantic Ocean and the Arctic. Subtropical to polar. |
Diagnosis: |
Culmen: 3.2 cm; tarsus: 4.6 cm; wing: 32.0 cm. |
Biology: |
Total Length: 46 to 67 cm; Wingspan: 96 to 114 cm (Ref. 8812). Length: 45 cm; Wingspan: 117 cm in Ref. 91362. A coastal species, <50 km offshore (Ref. 356). Exhibits plunging behavior. Kleptoparasitic (Ref. 356). Piratical. Breeds singly or in loose colonies (Ref. 91362). |
IUCN Red List Status: |
(LC); Date assessed: 07 August 2018 Ref. 123251)
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Threat to humans: |
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Country info: |
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