One reason is gerbils have furry tails unlike mice having naked tails. Mice are a little smaller than gerbils. Third gerbils are much more active then mice. And finally mice normaly have much bigger ears than gerbils. I hope this helps.
a gerbil.
A Gerbil or a Hamster.
they are bigger than a mouse and smaller than a rat and have a long (ish) furry tail
Noooooooo!!!
pet gerbil! pet gerbil or a pet mouse, go to the related link to see what pet is for you!
you appear to be a goon.
hamsters
yes
YES
Out of those three, a mouse could probably cover more ground.
Of coarse it can.
No. The gerbil will eat the mouse