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Rats are various medium-sized, long-tailed rodents. Species of rats are found throughout the order Rodentia, but stereotypical rats are found in the genus Rattus. Other rat genera include Neotoma (pack rats), Bandicota (bandicoot rats) and Dipodomys (kangaroo rats). Rats are typically distinguished from mice by their size.
Like pet rats, pet mice should not be left unsupervised outside as they have many natural predators, including (but not limited to) birds, snakes, lizards, cats, and dogs. Male mice tend to have a stronger odor than the females. However, mice are careful groomers and as pets they never need bathing. Well looked-after mice can make ideal pets.
Because laboratory mice (house mice) and rats (brown rats) are widely used as scientific models to further our understanding of biology, a great deal has come to be known about their cognitive capacities. Brown rats exhibit cognitive bias, where information processing is biased by whether they are in a positive or negative affective state. [81]
A print showing cats and mice from a 1501 German edition of Aesop's Fables. This list of fictional rodents is subsidiary to the list of fictional animals and covers all rodents, including beavers, mice, chipmunks, gophers, guinea pigs, hamsters, marmots, prairie dogs, porcupines and squirrels, as well as extinct or prehistoric species.
The New World rats and mice are often considered part of a single subfamily, Sigmodontinae, but the recent trend among muroid taxonomists is to recognize three separate subfamilies. This strategy better represents the extreme diversity of species numbers and ecological types.
The Mice Templar; Minimum (Chlorophylle) Monterey Jack (Chip 'n Dale: Rescue Rangers) Mortimer Mouse; The Mouse and His Child; Mouse Guard; The Mouse Turned into a Maid; The Mouse with the Question Mark Tail; Mary Mouse; Mouseheart; Fievel Mousekewitz; Tanya Mousekewitz; Mrs. Frisby and the Rats of NIMH; Mus of Kerbridge
Comics about anthropomorphic mice and rats (5 C, 41 P) M. Mickey Mouse (10 C, 47 P) Mighty Mouse (7 P) Minnie Mouse (13 P) T. Topo Gigio (5 P)
Included are mice, rats, gerbils, hamsters, lemmings, and voles. They are grouped according to the structure of their jaws and molar teeth . They are characterized by their myomorphous zygomasseteric system , which means that both their medial and lateral masseter muscles are displaced forward, making them adept at gnawing.