Oregon's Keystone Species - what they do and why they need to be protected - Bridgeliner

Keystone species are animals that play such an essential role in their environment, that if they were no longer here, the ecosystem would drastically change for the worse. They have an enormous effect within an ecosystem, not necessarily through sheer size, number or biomass, but because of the pivotal roles they play. They are so […]

What's Behind the Standoff at Oregon's Wildlife Refuge - Sustainable BusinessSustainable Business

CDOT says Vail Pass project an example of agency's focus on creating safe passage for wildlife

Oregon covered bridge featured in 'Homeward Bound' set for removal

Keystone Viaduct - Great Allegheny Passage

Officials warn against eating whitefish near Yellowstone River derailment

The WSDOT Blog - Washington State Department of Transportation: Fish bearing streams under State Routes 302 and 16 in Pierce County getting a makeover

Beavers Are Keystone Species in USA

Wildlife Corridors

Keystone Species: What are they? & Why we need them!, by Adelaide Girl's Garden, Dec, 2023