Photo A local guide shows the catch of the day which he has flipped up onto the boat whilst out hunting caymans at night on a tributary of the Amazon River. Right, rappeling up a 50m high tree in the Amazon rainforest. Photo A local guide shows the catch of the day which he has flipped up onto the boat whilst out hunting caymans at night on a tributary of the Amazon River. Right, rappeling up a 50m high tree in the Amazon rainforest.