California condor

Health checks for continent’s condors

September 7, 2016

Twice a year biologists, staff and volunteers at the Hopper Mountain National Wildlife Refuge live-capture California condors, part of a remarkable effort to ...

Polluted sea lions poison condors

August 10, 2016

Marine mammals are so polluted that they are poisoning endangered condors, according to a new study. California condors (Gymnogyps californianus) that fed on marine ...