Portland and Kota Kinabalu, Malaysia are developing a sister-city partnership with a focus on conservation of rainforests and wildlife.
A six-week survey of bumblebee species in Oregon's Mount Hood National Forest has produced an encouraging find — a dozen of the increasingly rare western bumblebees.
Two polar bears at the Oregon Zoo are helping researchers at the U.S. Geological Survey study how climate change is affecting wild polar bears in the Arctic.
The Oregon Zoo will release 31 western pond turtles into the Columbia River Gorge Wednesday. The turtles are endangered in Washington and threatened in Oregon. In the past 20 years, the wild population has jumped from 100 to 1,600 animals because of recovery efforts.
The Oregon Zoo is helping the endangered species of rabbit rebound in the Columbia Basin.