Face to face with a crocodile while collecting its eggs

Greg Wilson spends two months a year wading through crocodile-infested waters in northern Australia, trying to find the animals' nests.

He and his team are paid to collect eggs for farms, but it's a dangerous job.

Viewers in the UK can watch more stories from Earth's Natural Wonders at 21:00 on Wednesday 21 February on BBC One and later on iPlayer