Orinoco crocodiles – some of the largest living reptiles in the world – do not thrive in their South American river habitat as they once did. Watch to learn more about the efforts to save them.

Fewer than 100 Orinoco crocodiles - one of the largest living reptiles in the world - remain in the wild, according to Venezuelan conservation foundation FUDECI.

Researchers have documented a series of monumental snake engravings along the Orinoco River in South America. These rock art pieces, some of which exceed 40 meters in length, are not only an artistic ...

But he’s seen worse: The highest mercury levels in river dolphins in all of South America have been found here in the Orinoco Basin, he said, where they can surpass 30 micrograms.

Fewer than 100 of these crocs - among the largest living reptiles in the world - remain in the wild. Read more at straitstimes.com. Read more at straitstimes.com.

Orinoco crocodile hatchlings are stored in crates for safe travel prior to their release into the wild at the Capanaparo River, at the Leslie Pantin Zoo in Turmero, Aragua State, Venezuela, April ...

They are not to be trifled with. [1/25]An Orinoco crocodile is seen at the Masaguaral Ranch, a captive breeding center near Tamarindito, Guarico State, Venezuela, April 22, 2025.