This article is from the WSSF 2015 AFRMA Rat & Mouse Tales news-magazine.

Did You Know?  Scientists at the University of Liverpool found that mice and rats are better at gnawing with their front teeth and chewing with their back teeth than rodents that specialize in only one or the other. Studies showed the muscles increases bite efficiency allowing them to gnaw and chew with more success.

Published in the journal PloSONE, 2012; 7(4): e36299, Functional Evolution of the Feeding System in Rodents. Article on ScienceDaily Rats have best bite of rodent world.