05 May 2010 16:30 GMT
British water voles have been eating frog's legs.
Researchers in Berkshire, England, were stunned to discover a group of the rodents have been dining on the tasty treats - typically served as a delicacy in French restaurants - possibly as a way of getting protein into their usually vegetarian diet.
Ecologist Oda Dijksterhuis said: "We found a number of typical water vole feeding areas that were littered with dead frogs, minus their legs.
"As a water vole's diet is normally vegetarian, this rather gruesome scene isn't what we'd expect to find at all."
Numbers of water voles are decreasing in the UK, with as little as 220,000 thought to now live there - down from eight million in 1960.
http://entertainment.stv.tv/showbiz/175179-voles-frog-food/
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