What animal uses a nutcracker?

animals produce energy for other animals to use. for example, when a prey animal eats, energy is stored in its tissues. when a predator animal eats the prey animal, the stored energy is "given" to...

among others are rabbits, rodents, monkeys, dogs and cats. and often from pounds. that's right, they test on animals that were once someone's beloved pet.

The common animals Animal testers usually use are dogs and sometimes bunnies sometimes they can use all different kinds of animals because i guess different things happen to different animals. :) :D

transportation (horses, oxen, donkeys, mules) pets (dogs, cats, etc..) expirimentation (rabbits, rodents, etc) wildlife (whatever you can think of!)

Any thing at all...from Yash Patki