Quick Facts
Size  Up to 16″, including tail
Color Grayish or reddish-brown to blackish; lighter gray underbelly
Unique Characteristics Larger bodies; acute hearing and olfactory sense; hairy tail; color-blind
Legs  4
Other names Common Rat, Street Rat, Laboratory Rat, Fancy Rat
Diseases Hantavirus; Toxoplasmosis; Trichinosis