Nile Crocodile

Nile crocodile (Crocodylus niloticus) are ecologically important as predators.

They help the environment by keeping barbel catfish, which are predators themselves, in check. Barbels eat other fishes which are the diet of more than 40 species of birds.

If birds leave an area because there are no edible fish, the amount of bird droppings, which provides nutrients for the fish, declines, and the food chain is disrupted. Unfortunately, the Nile crocodiles' population suffers from pollution, hunting, and entanglement in gill nets.

The Nile crocodile nearly became extinct in the middle of the twentieth century, but they are now a protected species and the population has risen.