What do saltwater crocodiles, reticulated pythons, and kangaroos have in common? That killer instinct. An animals' instincts can be used for either defensive or offensive measures.

Fear and ignorance are one thing, respect and understanding another. Rob Bredl hopes that he may help peel back the timeless layers of misconceptions surrounding snakes.

Rob Bredl has dedicated his life to animals, and after 40 years of contact with crocodiles, he hopes other people may learn to live with and respect these prehistoric creatures.

Venture into the compelling and thrilling world of the shark. Shark ancestry predates the dinosaurs, and their survival is a direct consequence of their instinct to kill.

Few countries in the 21st century can claim to have big cats roaming free in their natural habitat. The role of zoos has changed considerably, in some cases preserving key species.

There are more than 3,000 species of lizards. For most of these unique creatures it is a daily battle between their instinct to hunt and their instinct to avoid becoming prey.