Megafauna Extinction NPR''s Christopher Joyce reports on megafauna extinction. Thousands of years ago, man may have been responsible for wiping out some of the world''s most prolific species.

Megafauna Extinction

Megafauna Extinction

Only Available in Archive Formats.

NPR''s Christopher Joyce reports on megafauna extinction. Thousands of years ago, man may have been responsible for wiping out some of the world''s most prolific species.