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Fratercula corniculata (Naumann, 1821) Horned puffin |
| No Picture Available |
| Family: | Alcidae () | |||
| Max. size: | 41 cm TL (male/unsexed); max.weight: 619.0 g | |||
| Environment: | pelagic; marine; depth range 0 - 29 m | |||
| Distribution: | Pacific Ocean and the Arctic. From Chukchi Sea and Alaska, south to Kuril Is. west to Japan and Russia and east to California. Subtropical to polar. | |||
| Diagnosis: | Culmen: 4.83 cm; tarsus: 3.07 cm; wing: 18.97 cm. | |||
| Biology: | Total Length: 36 to 41 cm; Wingspan: 56 to 58 cm (Ref. 8812). With sperm-storage glands allowing delayed fertilization of ovum (Ref. 87784). Plunge diver; continental shelf; <100 km (Ref. 356). As in all seabirds, copulation takes place ashore and the presence sperm-storage glands allow delayed fertilization of ovum out at sea. Vulnerable to oil spill as a piscivore; saw 50% decline in population from 1989 in Prince William Sound after the Exxon Valdez oil spill (Ref. 87784). Nests on rock crevices and cliffs (Ref. 62200). | |||
| IUCN Red List Status: | (LC); Date assessed: 19 February 2020 Ref. 123251) | |||
| Threat to humans: | ||||
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