Despite their humble origins as pests, domestic mice (Mus musculus domesticus) have maintained treasured pet status for centuries around the world. First mentioned in Chinese texts in 1100 B.C., domesticated mice are inquisitive, food driven and easily trained once they come to trust their human.
http://animals.mom.me/training-mice-run-mazes-11136.html
Gerbils and mice are both small rodents, but that doesn't mean they can live together. While many gerbil species exist, only Mongolian gerbils (Meriones unguiculatus) are commonly kept as pets, although other species are occasionally available.
http://animals.mom.me/can-gerbils-live-mice-11345.html
http://animals.mom.me/can-mix-different-rodents-same-cage-10578.html
