The Black-throated Loon (Gavia arctica), is a medium-sized member of the loon or diver family. The species is known as a Arctic Loon in North America and the Black-throated Diver in Eurasia, its current name is a compromise proposed by the International Ornithological Committee.
Breeding adults are 63 cm to 75 cm in length with a 100 cm to 122 cm wingspan, shaped like a smaller, sleeker version of the Great Northern Diver. They have a grey head, ...
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The Black-throated Loon (Gavia arctica), is a medium-sized member of the loon or diver family. The species is known as a Arctic Loon in North America and the Black-throated Diver in Eurasia, its current name is a compromise proposed by the International Ornithological Committee.
Breeding adults are 63 cm to 75 cm in length with a 100 cm to 122 cm wingspan, shaped like a smaller, sleeker version of the Great Northern Diver. They have a grey head, black throat, white underparts and chequered black-and-white mantle. Non-breeding plumage is drabber with the chin and foreneck white. Its bill is grey or whitish and dagger-shaped. In all plumages a white flank patch distinguishes this species from all other divers including the otherwise almost identical Pacific Diver.
It breeds in Eurasia and occasionally in western Alaska. It winters at sea on large lakes over a much wider range.
This species, like all divers, is a specialist fish-eater, catching its prey underwater. It flies with neck...
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