Denver-Boulder Metro Area: Birds
This guide contains birds that can be found in the Denver-Boulder Metro Area, including Adams, Arapahoe, Boulder, Broomfield, Denver, Douglas, and Jefferson Counties.
Yellow-billed Loon
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 ...more ↓
Arctic Loon
The black-throated loon (Gavia arctica), also known as the Arctic loon and the black-throated diver, is a migratory aquatic bird found in the northern hemisphere, primarily breeding in freshwater lakes in northern Europe and Asia. It winters along sheltered, ice-free coasts of the north-east Atlantic Ocean and the eastern and western Pacific Ocean. This loon was ...more ↓
Common Loon
The common loon (Gavia immer) is a large member of the loon, or diver, family of birds. The species is known as the great northern diver in Eurasia; another former name, great northern loon, was a compromise proposed by the International Ornithological Committee.
Pacific Loon
The Pacific loon or Pacific diver (Gavia pacifica), is a medium-sized member of the loon, or diver, family.
Red-throated Loon
The red-throated loon (North America) or red-throated diver (Britain and Ireland) (Gavia stellata) is a migratory aquatic bird found in the northern hemisphere. The most widely distributed member of the loon or diver family, it breeds primarily in Arctic regions, and winters in northern coastal waters. Ranging from 55 to 67 centimetres (22 to 26 in) in length, the ...more ↓
