French: Guillemot à miroir German: Gryllteiste Spanish: Arao aliblanco
Subspecies and Distribution
C. g. mandtii
(M. H. C. Lichtenstein, 1822) – Arctic E North America S to Labrador and N Newfoundland, W & E Greenland, Jan Mayen and Svalbard E through E Siberia to N Alaska.
C. g. arcticus
(C. L. Brehm, 1824) – North America (S of mandtii) and S Greenland to British Is, Norway, SW Sweden, Denmark, Murmansk and White Sea.
C. g. islandicus
Hørring, 1937 – Iceland.
C. g. faeroeensis
C. L. Brehm, 1831 – Faeroes.
C. g. grylle
(Linnaeus, 1758) – Baltic Sea.
30–33 cm; 450–550 g; wingspan 52–58 cm. Slender, pointed black bill with red mouth-lining; plumage entirely black, except for white upperwing patch and... read more
Quite vocal during breeding season. Commonly heard is a high-, more or less even-pitched, drawn-out... read more
Exclusively marine, rarely in brackish water, along rocky sea cliffs and shores. Breeds in all... read more
Food and feeding
Known to catch a high diversity of benthic fish and invertebrates, found on or near sea floor in shallow water. Most of the diet includes... read more
Median laying usually between late May and mid-Jun, sometimes earlier (N Norway) or later (Spitsbergen, Franz Josef Land, Novaya Zemlya)... read more
Resident and mostly sedentary except in N regions, where movement to adjacent ice-free waters... read more
Status and conservation
Not globally threatened (Least Concern). The global population is not known with any precision but there was a conservative estimate in 1985 of 270,000 pairs (200,000–... read more
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