How can you tell a small rat from a mouse?

• A. Color differences
• B. Tail length
• C. Head and feet
• D. Ear size

Answer: (C)

Look for body proportions. A mouse is small and slender with a relatively small head and delicate feet, so the feet look light against a slim body. A small rat, on the other hand, has a noticeably larger head in proportion to its body and heavier, more robust feet, giving a stockier overall appearance. These head and feet proportions stay fairly consistent and provide a clearer cue than color, tail length, or ear size, which can vary with age or individual animals. So noticing a comparatively large head and heavier feet signals you’re likely looking at a rat, while a smaller head and finer feet point to a mouse.