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Gavia arctica, a medium-sized member of the loon or diver family that breeds in Eurasia, with grey head, black throat, white underparts and chequered black-and-white mantle.

Black-throated loon – Least Concern (IUCN 3.1) – Kingdom: Animalia – Phylum: Chordata – Class: Aves – Order: Gaviiformes – Family: Gaviidae – Genus: Gavia – Species: G. arctica – Gavia arctica – (Linnaeus, 1758) – G. a. arctica – G. a. viridigularis – Range of the black-throated loon – Breeding – Non-breeding – Colymbus arcticus Linnaeus, 1758.

Gavia arctica, a medium-sized member of the loon or diver family that breeds in Eurasia, with grey head, black throat, white underparts and chequered black-and-white mantle.

Range of the black-throated loon – Breeding – Non-breeding.

Gavia arctica, a medium-sized member of the loon or diver family that breeds in Eurasia, with grey head, black throat, white underparts and chequered black-and-white mantle.

Breeding, top, and non-breeding, bottom, black-throated loons