French: Guillemot à lunettes German: Brillenteiste Spanish: Arao de anteojos
Coasts and islands from Kamchatka and Sea of Okhotsk S to NE Korea, Kuril Is, and N Japan (Hokkaido, N Honshu). In winter pelagic and coastal, usually near breeding locations and somewhat farther S.
c. 38 cm; 490 g; wingspan 65·5–69 cm. Largest of Cepphus guillemots, plump and grebe-like, with long, thick neck and relatively short, robust, pointed... read more
Quite vocal during breeding period. Calls include a fast series of high-pitched, passerine-like... read more
Exclusively marine; near-shore, breeding along rocky mainland coasts in cliffs or on slopes and... read more
Food and feeding
Chick diet largely fish, with wide diversity of benthic species, sardines (Sardinops) and herring (Clupeidae), plus a few... read more
Less known than any other alcid species. Timing uncertain: most birds probably arrive Apr–May; laying probably begins mid-May, with... read more
Resident and mostly sedentary, remaining in vicinity of colony, except in N areas. Pronounced... read more
Status and conservation
Not globally threatened (Least Concern). Approaching near-threatened status and listed as Vulnerable in Japan, at the southern limit of its range. A conservative rough... read more
Only subscribers are able to see the bibliography. Login or Subscribe to get access to a lot of extra features!