Lakeland, FL Homefacts Overview of Polk County includes data on offenders, schools, foreclosures, environmental hazards, and more.
Adult mice have bodies that are 3-4 inches long with 3-4 inch tails. Adult rats are far heavier and longer: they can weigh ten times as much, averaging 350-450 grams for females and 450-650 for males (with an overall range of 200-800 grams). They have 9-11 inch long bodies and 7-9 inch tails (ref).
The largest rats in the world are the African giant pouched rats. In general, they have a mass of 1 to 1.47 kg (2.2 to 3.23 lbs), and grow to a length of 65 to 91 cm (25.39 to 35.83 in). Most people are familiar with Norway rats; they generally weigh between 10 and 18 ounces and can grow up to 18 inches (a 2-ft.