they both are mammals
Degus
a small rodent similar to a rat.
mouse and rat and cat
A small furry rodent similar in appearance to a rat
Not before the rat eats the mouse.
a mouse
A rat is a rodent and it is bigger than a mouse. However the largest rodent is a capybara and that is the size of a pig.
You should not keep a rat and a mouse on the same cage together, The rat will most likely kill the mouse as that is their natural instinct.
Mouse House or Rat flat
giant rat
No. A pocket mouse is a mouse of the genus Chaetodipus, and much smaller than a pack rat, also known as a wood rat, genus Neotoma.
The Latin word for 'rat' is Mus. It's the same noun as for 'mouse'. The Latin word for 'mouse'- or 'rat-trap' is 'muscipula'.