What Happened to South America’s Missing Mega-Mammals?
Published
South America is filled with mammals from North America, but why more didn’t survive the reverse trip has been a natural history mystery.
Full ArticlePublished
South America is filled with mammals from North America, but why more didn’t survive the reverse trip has been a natural history mystery.
Full ArticleBy Kevin Enochs
Americans get a day off work on October 12 to celebrate Columbus Day. It's an annual holiday that..