Yellow-billed Loon

Gavia adamsii

Summary 2

The yellow-billed loon (Gavia adamsii), also known as the white-billed diver, is the largest member of the loon or diver family. Breeding adults have a black head, white underparts and chequered black-and-white mantle. Non-breeding plumage is drabber with the chin and foreneck white. The main distinguishing feature from great northern loon is the longer straw-yellow bill which, because the culmen is straight, appears slightly uptilted.

Fontes e Créditos

  1. (c) Greg Lasley, alguns direitos reservados (CC BY-NC), uploaded by Greg Lasley
  2. (c) Wikipedia, alguns direitos reservados (CC BY-SA), https://en.wikipedia.org/wiki/Gavia_adamsii

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