Is Santa's Sleigh Powered By Caribou?

Loading
Error

/

Download
Embed Code

Copy/paste the following code

Donate

In a study, a biology professor argues the animals pulling Santa's sleigh might actually be young caribou. North American Caribou have a "greater power to mass ratio" than Siberian reindeer. They are leaner and have longer legs.

Copyright 2016 NPR. To see more, visit http://www.npr.org/.

Copyright NPR. View this article on npr.org.