Photo 1 of 6
(c) Michael Brozek, all rights reserved
Photo 2 of 6
(c) Steve Raduns, all rights reserved
Photo 3 of 6
(c) Titouan Roguet, all rights reserved
Photo 4 of 6
(c) Rebecca Scott, some rights reserved (CC BY-NC)
Photo 5 of 6
(c) Jason Headley, some rights reserved (CC BY-NC)
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(c) Ján Svetlík, some rights reserved (CC BY-NC-ND)

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Common Loon

Gavia immer

Worldwide: 70,803 observations
Group: Birds

About

The common loon or great northern diver (Gavia immer) is a large member of the loon, or diver, family of birds. Breeding adults have a plumage that includes a broad black head and neck with a greenish, purplish, or bluish sheen, blackish or blackish-grey upperparts, and pure white underparts except some black on the undertail coverts and vent. Non-breeding adults are brownish with a dark neck and head marked with dark grey-brown. Their upperparts are dark...

Summary from Wikipedia, CC BY-SA 4.0.

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