For Dr. Jesus Rivas and his wife, anacondas represent a challenge as they try to unravel the mysteries surrounding these massive reptiles.
Roger Horrocks has heard stories of men "calling" wild crocodiles out of the river and a crocodile shaman who can ride on the back of a crocodile.
Wombats here seem to spend most of their time sleeping, but they are experts of survival, resting to conserve energy to help beat the heat.
River Jordan is one of the world's most sacred rivers, rich in history and legends. It is also a hidden treasure for wildlife.