One third of baby gorillas don't survive infancy - but luckily, this baby gorilla managed to survive her fall. Animal Babies: First Year On Earth Remarkable behaviour. Emotional stories. Scientific revelations. First Year on Earth follows the dramatic lives of six baby animals as they grow up and experience their first 12 months in the wild. A baby mountain gorilla navigates the labyrinth of the forest. A young elephant learns how to tell friend from foe. And a litter of Arctic fox cubs race to become self-sufficient before the cruel winter closes in. With intimate access and expert knowledge, this series casts a new light on the worlds of animal infants, troops and clans – and how human actions are shaping the challenges they face.