News Life Giant beavers had hidden vocal talents Odd skull passages may have helped extinct rodent make sounds By Susan Milius November 8, 2011 at 1:27 pm - More than 2 years ago Share this:Share Share via email (Opens in new window) Email Click to share on Facebook (Opens in new window) Facebook Click to share on Reddit (Opens in new window) Reddit Click to share on X (Opens in new window) X Click to print (Opens in new window) Print LAS VEGAS – Blessed with a hidden chamber in their oversized skulls, extinct giant beavers may have created a unique Ice Age call of the wild. Detailed CT scans reveal a dead-end passageway leading from the back of the animal’s skull toward its face.