Biodiversity was the lesson topic during a San Diego Unified School District livestream field trip connecting more than 100 online students to conservation education experts at the San Diego Zoo.

Orphaned elephant calves from the Reteti Elephant Sanctuary are being translocated to their new home in Sera Wildlife Conservancy, in Kenya’s Samburu County this week.

Ever wanted to know how long a hippo can stay underwater? How they “dance” so gracefully through the water? Or how long they sleep?