All living marsupials — such as wallabies, kangaroos and opossums — all originated in South America, a new genetic study suggests.

From giant rodents to pink dolphins, here’s a look at five animals you’ll only find in South America! PetMojo. 5 Amazing Animals Unique to South America. Story by Lauren Rey • 1y.

These animals originated in South America before dispersing into North America as part of the Great American Interchange.

Adventuring with South America's legendary pack animals. By Olivia Lewis The Taos News; Apr 11, 2025 Apr 11, 2025 Updated Apr 14, 2025; 0; Facebook; Twitter; WhatsApp; SMS; Email; ...

Why are there more South American animals of North American origins than North American animals of South American origin? A team of researchers found a possible explanation for the long-held puzzle.

Dinosaurs, including Sarahsaurus, are generally believed to have originated in South America—then part of the ancient southern supercontinent Pangaea. But how and why they conquered the rest of ...

Millions of years before humans set foot in the Americas, a rush of alien animals began arriving in South America. As the Isthmus of Panama came up from the waves, bridging the North and South ...

Fossil bones found in Argentina of a large armadillo relative with cut marks suggestive of butchering indicate humans were present in southern South America some 21,000 years ago, according to ...

Marsupials did not, as had been previously thought, did not get their start in Australia, a new genetic study suggests. Rather, they share a common ancestor in South America.