House Mouse
-Adults weigh 15-30 grams
-2 ½ to 3 ½ head to body length
-5-8 inches from head to tail

Norway rat
-Adults weigh 7-20 ounces
-12-19 inches from head to tail
-Usually will stay within 100-200 feet from nest

Roof rat
-Adults weigh 4-12 ounces
-11-18 inches from head to tail
-Sharply pointed ears and novels are Spindale shaped