Documentary following endangered species fighting for their survival. David, a chimpanzee in Senegal, tries to overcome threats to his leadership and ensure an heir.

Documentary following endangered species fighting for their survival. A colony of emperor penguins try to keep themselves and their chicks alive through the winter.

Documentary following endangered species fighting for their survival. The lioness leader of a once mighty pride must now battle for their very survival.

Documentary following endangered species fighting for their survival. A painted wolf matriarch's feud with her daughter threatens to bring the dynasty down.

Documentary following endangered species fighting for their survival. A tigress must protect her cubs while battling rivals who want to steal her lands and overthrow her.