"This is a smallmammal, no bigger than a domestic cat and by nature it's not going to be looking for a confrontation with dogs or cats or anything like that, " he said.
Europe is home to a rich diversity of native mammal species ranging from the small such as shrews and voles, to the large such as wolves and brown bears. to the enormous -- in the case of the 70-ton North Atlantic Right Whale.
You wouldn't immediately think of the ear's cochlea as an energy source, but MIT knows that every mammal effectively has a pair of very small power plants because of the ionized environment.