Wired.co.uk
How the rat chews its way to top of the rodent world
Mother Nature Network
The ability of rats to both gnaw and chew have made them a force to be reckoned with among other rodents like squirrels and guinea pigs. By Wynne Parry, LiveScienceFri, May 04 2012 at 5:21 PM EST Rats and their close relatives, including mice, ...
Rats out-chew guinea pigs, out-gnaw squirrels to win &#39best biter&#39 crownWired.co.uk
Rats Have Best Bite Of Rodent WorldRedOrbit
Rat Bite Study Shows Rodent Owes &#39Success&#39 To Gnawing, Chewing AbilitiesHuffington Post
Discovery News
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