how big is a rat
Click here for my nationwide list of 100's of professional rat trappers serving all 50 states. RAT POOP DESCRIPTION: Skinny pellets, usually about 3/8 inch long and 1/8 inch in diameter, rounded tips and maybe slightly bulging in the center. with some size variance. Fresh ones are dark brown, but they get lighter with age. The above image of rat feces was photographed in the attic of a house with a rat problem.