Seventy per cent of Earth is covered in water. Many animals that live in water come on land to have their babies, and being born this way presents some major challenges for water babies to overcome. For some, simply getting to water in the first place can be the biggest trial of their young lives, whilst others have to face up to their first swimming lesson or get to grips with vital adult skills.

Meet the adorable baby fur seal pup who has lost his mother amongst three million other fur seals that crowd the beaches of South Georgia. Watch how the daredevil ducklings take an amazing leap of faith whilst barely a day old. Meet the three boisterous giant otter pups that need to get to grips with toilet training and learning to hunt for themselves.

All the water babies must learn fast if they're going to make it through the most dangerous days of their lives. Show less