Sacred Irrawaddy river dolphin in Cambodia grows with 6 calves

The Irrawaddy river dolphin, one of the world's most endangered species, is showing hopeful growth in Cambodia. The most recent calf season produced 6 new baby dolphins, bringing the population along a 75-mile stretch of the Mekong in the country's northeast to 118 animals. This Cambodian group is the largest river population of this dolphin species in the world. Local...