Wolves and Their Prey

How wolves impact many corners of their ecosystem, and how prey species like elk may respond to their return to Colorado.

Fact Sheets for CITES COP19

At Defenders of Wildlife, facilitating balanced and sustainable coexistence between our planet’s incredible wildlife and our diverse global societies is our top priority. We stand

Pinyon Jay: A Rapidly Disappearing Species Desperately in Need of Protection

The pinyon jay, a gregarious and iconic western bird, is plummeting in number and needs the protection of the Endangered Species Act (ESA) to dodge extinction.
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