Black Guillemot

Cepphus grylle

IUCN: Least Concern

Taxonomy

Order
Charadriiformes
Family
Alcidae
Genus
Cepphus
eBird Code
blkgui

Subspecies (5)

  • Cepphus grylle arcticus

    subarctic southern Greenland, northwestern British Isles, southern Scandinavia, and the White Sea (northwestern Russia), also southern Labrador and Newfoundland (southeastern Canada) and Gulf of Maine (northeastern USA)

  • Cepphus grylle faeroeensis

    Faroe Islands

  • Cepphus grylle grylle

    Baltic Sea coasts

  • Cepphus grylle islandicus

    coastal Iceland

  • Cepphus grylle mandtii

    high Arctic coasts from western and eastern Greenland, Jan Mayen, and Svalbard eastward through northern Siberia and northern Alaska to northern Labrador (northeastern Canada)

Data Sources

Taxonomy data from AviList 2025.