Through skulls, a tale unfurls

(this critter's tail, it curls)

With molars fierce

Its prey to pierce:

The saber-toothèd squirrels!

http://www.npr.org/blogs/thetwo-way/2011/11/03/141997834/scientists-unveil-fossil-of-saber-toothed-squirrel-that-lived-among-dinos

http://www.nature.com/nature/journal/v479/n7371/full/nature10591.html