Nineteen predators, a species once believed to be extinct, were released earlier this month.

Add Yahoo as a preferred source to see more of our stories on Google. ORACLE, AZ — Four dozen Sonoyta pupfish are now swimming beneath the towering glass pyramids of the University of Arizona’s ...

A federal court today ruled that federal agencies violated the Endangered Species Act by ignoring years of damage from ...

The Center for Biological Diversity today filed notice of intent to sue the Bureau of Land Management and U.S. Fish and Wildlife Service over unauthorized cattle grazing damage to endangered wildlife ...

The Arizona Game and Fish Department released 19 endangered black-footed ferrets at three sites in northern Arizona last week ...

In a 2021 decision, the U.S. Fish and Wildlife Service reduced critical protected habitat for two endangered species of garter snake by more than 90% from a 2013 proposal.

The spots gave it away. Just like a human fingerprint, the rosette pattern on each jaguar is unique so researchers knew they had a new animal on their hands after reviewing images captured by a remote ...

The rare Sonoyta pupfish were introduced into a desert river habitat inside the huge Biosphere 2 structure near Tucson. The dish are native to Quitobaquito Springs near the Arizona-Mexico border, but ...