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

East Sand Island, Columbia River Estuary

  • Colony Attendance

    Colony Attendance

    In-season

  • Nesting Chronology

    Nesting Chronology

    In-season

  • Percent Salmonids

    Percent Salmonids

    In-season

  • Colony Size

    Colony Size

    Annual

  • Nesting Success

    Nesting Success

    Annual

  • Percent Salmonids

    Percent Salmonids

    Annual

  • Diet Composition

    Diet Composition

    Annual

  • Smolt Consumption

    Smolt Consumption

    Annual

In-season and historical data for Caspian terns nesting on East Sand Island in the Columbia River estuary
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