Elephants

Episode 1 | 54m 52s | Video has closed captioning.

Joy and Mark travel to Africa to explore the unique reproduction challenges of the largest animal on land — the elephant. Find out how females select the strongest mates, why elephants have the longest pregnancy in the animal kingdom and how they safely deliver a 220-pound baby; witness the remarkable first steps of a newborn calf.

Aired: 07/16/14