Portland’s urban naturalist tracks the great blue herons | Oregon Field Guide
13:51
Searching for Oregon’s Skyline Trail | Oregon Field Guide | OPB
59:54
The flooding of Vanport | full documentary | Oregon Experience
16:05
How Do Birds Survive the Cold Winter?
17:04
Heron feeding on baby waterbirds in a compilation of images
11:16
Suez Air War - The Original Vampire Massacre (31 October 1956)
30:01
ESTES ANIMAIS ESTÃO SENDO SOLTOS PELA PRIMEIRA VEZ
8:32
Restoring wetlands and wocus, a first food for the Klamath Tribes | Oregon Field Guide
13:41