Rare Find: Extinct Sloth Fossils Discovered In Underwater Cave
Divers made a rare discovery of extinct giant sloths in a Cuba cave. Geographer and National Geographic Grantee Matthew Peros and his team found fossils of three extinct sloth species in an underwater cave near Varadero. Underwater caves with extinct animal remains are extremely rare. Peros hopes to learn more about ancient climate and environment from studying the remains.