A partnership between Oregon State University, Real Time Research,
and the USGS - Oregon Cooperative Fish and Wildlife Research Unit

Caspian Terns

East Sand Island, Columbia River Estuary »

Crescent Island, Mid-Columbia River »

Goose Island, Potholes Reservoir »

Crump Lake, Warner Valley »

Summer Lake, Summer Lake Wildlife Area »

Sheepy Lake, Lower Klamath NWR »

Brooks Island, San Francisco Bay »

Eden Landing, San Francisco Bay »

Stevens Creek, San Francisco Bay »

In-season and historical data for Caspian terns nesting in Oregon, Washington, and California

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Formerly Columbia Bird Research