Hamster Mouse Size 2-15 inches 3-5 inches Appearance Stubby tail; small ears and large eyes Large eyes and ears; long tail Diet Hamster pellets, fresh fruits and vegetables, seeds and hay Plant ...
Mice also have more triangular snouts compared to the less pointed snouts of rats. Both rodents have long, thin tails, but rat tails are hairless, while mice tails are covered with fur.
Genetic differences – Norway rats have 22 chromosome pairs while mice have 20. Rats have 2.75 million base pairs while mice have 2.6 million. (Rat Genome Sequencing Consortium 2004) Growths ...