Arizona is home to world record holding animals and insects. That includes this cute critter, which is the smallest of its ...

Unlike most mice, the California mouse mates with a single partner. The male defends the nest and raises the young to increase the chances of survival. As you might expect, the cactus mouse ...

If you were to encounter the northern pygmy mouse in the wild, you might not think twice about it. However, this little creature is unique — it's the smallest rodent in the world, according to ...