The Mara River, nature’s best-laid trap for migratory animals, is the stage for a grandiose spectacle. When food supply in the Serengeti dwindles, the Masai Mara is a paradise for predators. As the black wildebeests, gazelles, zebras, and antelopes make their yearly trip from the south of the Serengeti to the north, nature’s best-laid trap,…

PORTLAND, Ore.—U.S. regulators approved a plan Thursday to demolish four dams on a California river and open up hundreds of miles of salmon habitat that would be the largest dam removal and river restoration project in the world when it goes forward. The Federal Energy Regulatory Commission’s unanimous vote on the lower Klamath River dams…

WOODLAND HILLS, Calif.—A radio-collared mountain lion was fatally struck by a vehicle on the Ventura (101) Freeway in Woodland Hills, authorities said July 20. The male mountain lion known as P-89 was just two years old. He was found dead early July 18 along the shoulder of the freeway between the DeSoto and Winnetka exits,…

WOODLAND HILLS, Calif.—A radio-collared mountain lion was fatally struck by a vehicle on the Ventura (101) Freeway in Woodland Hills, authorities said July 20. The male mountain lion known as P-89 was just two years old. He was found dead early July 18 along the shoulder of the freeway between the DeSoto and Winnetka exits,…

BEIJING—Already famous at home, China’s wandering elephants are now becoming international stars. Major global media are chronicling the herd’s more than yearlong, 300-mile trek from their home in a wildlife reserve in mountainous southwest Yunnan province to the outskirts of the provincial capital of Kunming. Twitter and YouTube are full of clips of their various…