Using X-Rays to Show How Hamsters Are Able to Stuff Their Cheeks With a Remarkable Amount Food

In the BBC One show Pets – Wild at Heart, narrator David Tennant explains, with the use of x-ray images, how hamsters are able to stuff such a remarkable amount of food into their tiny little mouths.

To keep his food fresh and dry, he excretes no saliva. X-rays show just how he packs it all in. His pouches extend all the way to his hips. …Disgorging his stash is his next challenge.