In many of the Earth's Natural wonders it's the wildlife that holds the key to survival. Animals can be a very real threat to the people who live there, or they can provide a means of survival, but often at a high price.In the coastal salt marshes of Northern Australia's Arnhem Land, Aboriginal Peoples still go hunting for the eggs of one of the world's most aggressive predators: the saltwater crocodile. Despite their ancient hunting skills, this remains a dangerous job for the Aboriginal Peoples involved - a croc could always be lurking nearby, protecting its nest.