Evolution and genetics-- Social structure, reproduction, mortality and survivorship, and population dynamics -- Food habits, habitat use, activity patterns, and dispersal -- Golden eagles and the ...

Just 12 years ago, researchers feared that the California Island fox, a species about the size of a cat inhabiting a group of islands off the Southern California coast, was toast. Nonnative predators ...

Most efforts to rescue threatened species from the risk of extinction involve decades of hard work. Even our country’s national symbol, the iconic bald eagle (Haliaeetus leucocephalus), required more ...

This archived news story is available only for your personal, non-commercial use. Information in the story may be outdated or superseded by additional information. Reading or replaying the story in ...