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Black Guillemot
Black Guillemot
Black Guillemot sites cared for by the Trust
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Fair Isle

Fair Isle

The highest numbers of Black Guillemots are at Fair Isle.

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Nests in small numbers in crevices close to sea level. Notoriously difficult to survey, the highest numbers recorded on NTS properties are at Fair Isle, with a good colony on Staffa and Canna.

It is feared that predation by North American Mink has been responsible for declines in some areas.

Food

Opportunistic, taking small fish and crustaceans. - Gobies, blenny, stickleback, butterfish, shrimps and prawns. Main depth of 1-8m up to 20m and submerged for between 50-60s.

Nest site

Mainly near sea level in natural holes and crevices, under fallen rocks, in scree or talus slopes.

Breeding

Late April to mid July. 1-2 eggs laid.

Wintering

Most sedentary of the UK seabirds with few moving far even in mid winter.

Distribution

Opportunistic, taking small fish and crustaceans. - Gobies, blenny, stickleback, butterfish, shrimps and prawns. Main depth of 1-8m up to 20m and submerged for between 50-60s.

Other Information

White patches on the wings and red bill and feet distinguish this species.

Other Auk family birds at Trust sites