Oregon Field Guide

Lamprey Decline, Amphibian Egg Masses, Mazama Archive

Season 22 Episode 2213 | 28m 4s  | Video has closed captioning.

Lamprey Decline - The numbers of eel-like lamprey suddenly plummet in the Columbia basin. Amphibian Egg Masses - Amphibians lay winter eggs and volunteer monitors will be getting their feet wet and cold! Mazama Archive - We take a fascinating look at Oregon's mountaineering lore with someone who knows it best.

Aired: 03/31/11

Rating: TV-G

Problems Playing Video? | Closed Captioning

Oregon Field Guide is a local public television program presented by OPB.

You Might Also Like

  • Call the Midwife
  • Mr Bates vs The Post Office
  • NOVA
  • A Brief History of the Future
  • Finding Your Roots
  • Changing Planet
  • Alice & Jack
  • The Express Way with Dulé Hill
  • FRONTLINE
  • American Experience
  • Nature
  • Independent Lens