Paleontologist Thaís Pansani standing in front of a reconstructed giant ground sloth skeleton at the Smithsonian ... continent after crossing the Bering land bridge from Asia.

For a long time, scientists believed the first humans to arrive in the Americas soon killed off these giant ground sloths through hunting ... crossing the Bering land bridge from Asia.

For a long time, scientists believed the first humans to arrive in the Americas soon killed off these giant ground sloths through ... after crossing the Bering land bridge from Asia.

This fits well into the timeline of when the Bering Land Mass would have been able to cross. However, with the discovery of the giant sloth bones in Brazil and other archaeological sites in the ...

Giant Ground Sloth. Image by Nobu Tamura email:[email protected] http://spinops.blogspot.com/, CC BY-SA 4.0 https://creativecommons.org/licenses/by-sa/4.0, via ...