Orinoco crocodile, (Crocodylus intermedius), large species of crocodile native to grasslands, forests, swamps, marshes, and other freshwater habitats in the Orinoco River basin in Colombia and Venezuela. The Orinoco crocodile is the largest living predator in South America and one of most endangered crocodiles in the Americas. Because the species was valued for its hide, hunters placed enormous pressure on it during the first half of the 20th century, which reduced its population substantially. Population studies conducted during the early 21st century suggest that fewer than 1,500 adults remain in the wild. Orinoco crocodiles are among the largest living crocodiles, ...(100 of 714 words) Access the full article Help support true facts by becoming a member. Subscribe today!