WASHINGTON —After a petition and threat to sue from animal protection and conservation groups, the U.S. Fish and Wildlife Service today announced that the common hippopotamus may qualify for protection under the U.S. Endangered Species Act. In March 2022, Humane Society International, the Humane...

Flying back and forth over Cape Cod Bay, a survey plane spotted a half dozen of the world’s rarest creatures: North Atlantic right whales. Such sightings are good news. The species hovers near extinction—by one estimate, fewer than 360 remain. Each time researchers locate a whale, they take pictures...

WASHINGTON—Today animal protection and conservation groups sent a notice of intent to sue the U.S. Fish and Wildlife Service for failing to respond to a legal petition to protect the common hippopotamus under the Endangered Species Act. The Fish and Wildlife Service was required to respond to the...

WASHINGTON—Animal protection and conservation groups sent notice today of their intent to sue the U.S. Fish and Wildlife Service for missing its deadline to decide whether the common hippopotamus should be protected under the U.S. Endangered Species Act. The deadline results from a 2022 petition...