animal rights

PETA says one of its supporters in California was actually a SeaWorld "agent" who infiltrated its activist network and tried to "incite illegal ... activity." SeaWorld has suspended the employee.

Animal rights groups say Tennessee walking horses' distinctive high-stepping gait is partly the result of trainers hurting the animals. This year, a major show is testing to try and curb abuse.

Though the regulation proposed by the Fish and Wildlife Service would make it more difficult to use chimpanzees for research purposes, that may not be a problem, some scientists say. Scientific advances show the animals are less medically useful than previously thought.