The smallest bird in the grouse family, the white-tailed ptarmigan is also one of the few animals that lives on alpine mountaintops throughout its entire life. Every part of this ptarmigan is adapted ...

NAGANO--Efforts to revive endangered rock ptarmigan numbers here are making good progress following the discovery of five chicks in the wild that have flown the nest and are living independently ...

SEATTLE— In response to a petition and litigation by the Center for Biological Diversity, the U.S. Fish and Wildlife Service today protected the Mt. Rainier white-tailed ptarmigan as a threatened ...