Some of them, like the giant sloth or the woolly rhino ... Its powerful tail could crush a human skull, and its shell-like back offered a strong defense. Based on the damage found on glyptodon ...

New research painted a more accurate picture of the megafauna that spread widely around the Americas before they went extinct.

Mylodon darwinii is the scientific name for a species of extinct giant ground sloth ... is the scientific name for a species of extinct ground sloth, first described based on a partial skeleton ...