Passenger Pigeons Once Numbered in the Billions and Blotted Out the Skies for Days. They Went Extinct in 30 Years.

History Unplugged Podcast | American History, World History, World War 2, U.S. Presidents, Civil War by Support

In America's first hundred years, the animal you were most likely to see was a passenger pigeon. And you saw a lot of them. Flocks were so numerous they literally blotted out the sun for days and their combined weight sn...View more