Common bird species treated include brown pelicans, common murres, western grebes, pacific loons, and a variety of gulls, herons, and other waterfowl.

Larger birds include Canada geese, tundra swans, white-fronted geese and common, Arctic, yellow-billed and Pacific loons.

Among the most commonly treated include brown pelicans, western gulls, northern fulmars, western grebes, American coots, American white pelicans, eared grebes, common murres, pacific loons, common loons, black-crowned night herons, great blue herons, mallard ducks, and Canada Geese.

Spectacled and Pacific Eider as well as Black-throated and Pacific Divers are also found in the Ust-Chaun region, though the Pacific Eider is much more common on the Kyttyl Peninsula and near Apapelgino.

Pacific Loon (Gavia pacifica)

Pacific Loon or Pacific Diver, Gavia pacifica (formerly in G. arctica)

The Pacific Loon or Pacific Diver (Gavia pacifica), is a medium-sized member of the loon, or diver, family.