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Filtering by: Creator Buck, Stefanie Subject Caspian tern -- Ecology -- Columbia River Estuary (Or. and Wash.)

Piscivorous colonial waterbirds in the Columbia River estuary : demography, dietary contaminants, and management

Creator:

Suzuki, Yasuko

Abstract:

Caspian terns (Hydroprogne caspia) and double-crested cormorants (Phalacrocorax auritus) nest in large colonies on East Sand Island in the Columbia River estuary, the largest known colonies for the two species in the world. Both species of piscivorous colonial waterbirds have been identified as predators with a significant impact on the...

Resource Type:

Dissertation

Full Text:

Bixler, Stefanie Collar, Brendan Courtot, Karen Courtot, Dave Craig, Christy Hands, Lauren Kerr, Tim