Not very big about 3 inches tall
New york
In the book : Mrs.Frisby and the rats of NIMH, Dragon is the big fierce cat.
big ears
it has big ears
baby rats get big about 2-5 months.
as big as a chihuahua dog. Its body length is 15 cm.
Rabbits, mice, rats, snakes, carrion.
Trench rats grew so big that they could eat an entire corpse, because there were many men shot in wars there was lots of food allowing their populations to grow very big and their average size to increase
up to 8 feet
incisors
Their teeth are about the same size as a rats.
Baby rats are much bigger than mice. Baby rats look generally more like babies compared to an adult mouse. Rats have blunt noses, short tails, and big heads. They are a bit more "bean" shaped, while baby mice a kind of "pointy" at the nose. Baby rats are about the size of a big jelly bean at birth and without fur look like tiny pigs with big tails.Mice are more of a pinkish color, while rats are more gray.