Most Americans picture a crocodile as a massive, snapping predator. But deep in the rainforests of West Africa, there lives a crocodile that quietly hunts fish in narrow jungle rivers, has never been recorded attacking a human, and is so rarely studied that the world barely knows it exists.

TAI NATIONAL PARK, Côte d’Ivoire — Environmental scientist Christine Kouman says she has always had a passion to take care of things that are overlooked or neglected. The West…

Most Americans picture a crocodile as a massive, snapping predator. But deep in the rainforests of West Africa, there lives a crocodile that quietly hunts fish in narrow jungle…