Costa Rica's National University launches a pioneering drone program to monitor American crocodile populations, using aerial imaging to count and map distributions.

In the hills above Riverside, there is plenty of wildlife, but one thing you probably would not expect to find is a crocodile monitor lizard.

Crocodile monitors aren’t protected in New Guinea, but there is concern about the deforestation of their habit in the canopy of 30- to 40-foot-tall rain forest trees.