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Oregon Field Guide

Songbird Survey

The number of migratory songbirds is declining. Join us as we hunt for some reasons why.

Oregon Field Guide

Building the MAX-Line Tunnel

The geologic past is revealed when light rail tunnels are dug in Portland's West Hills.

Oregon Field Guide

Willamette Valley Natural History

A look back at the valley and what its vegetation was like when the first settlers came.

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Upcoming Broadcasts

River of the Rogues (2410)

January 11, 8:30 p.m. [OPB TV]

All Season 8


Major Support Provided By:
William K. Blount Family
Carol and Velma Saling Foundation

Additional Support Provided By:
Coit Family Foundation
Kay Kitagawa and Andy Johnson-Laird
Christine and David Vernier
Greenfield/Hartline Habitat Conservation Fund of the Nature Conservancy.

Special thanks for support by:
The Roundhouse Foundation, Nonnie Cole, Barbara Emily Knudsen Charitable Foundation, Bonnie and Peter Reagan, Dr. Andrew McIvor and Dr. Maura Conlon McIvor