An extinct species of rat that used to live in Southeast Asia is estimated to have weighed around 13 pounds. The largest species of rat alive as of 2014 lives in the Philippines and can weigh up to 4.4 pounds. The largest Norway rat ever caught weighed 2.4 pounds.Know More
A typical common rat weighs less than 0.75 pounds.
Giant Gambian pouched rats have been found in New York City. These rats can be 3 feet long and weigh 4 pounds. The Gambian rats found in New York are probably escaped pets. Imports of giant Gambian pouched rats as pets into the United States were banned in 2003.Learn more about Rodents
Rex rats are domesticated rats with a particularly curly coat. Both their fur and whiskers are curled, which gives young rex rats an especially woolly appearance.Full Answer >
There are many differences between rats and mice, such as their size, behavior and the shape of their snouts. Mice are typically between 4 to 8 inches long, including their tails, with snouts that are triangular in shape. Rats have blunt snouts and are much larger, growing to almost 16 inches long.Full Answer >
Rats have thicker tails, larger heads and smaller ears than mice. Mice tend to weigh roughly 3.5 ounces, while rats weigh, on average, at least a pound. Rats also live roughly half a year longer than mice and have larger feces. The feces of a mouse are about the size of a rice grain. Rat droppings are the size of a raisin.Full Answer >
The toy rat terrier is a rare breed, however, theAKC website has a listing of breeders who breed toy rat terriers and standard size rat terriers. These breeders often have puppies available on a regular basis for potential pet owners.Full Answer >