Im 6'3" and 240". My hands palm a basketball with no problem. The front teeth I thought would give it away since they are BRIGHT orange. I looked up the nutria and saw nothing like these teeth. Both front teeth are 1 3/4" long and hard as stone. By the rear molars I dont beleieve it is carnivorous, but Im no scientist. Whatever it is the teeth are a huge factor of its daily life, so thats why I was thinking a beaver. I guess I will never know for sure, but it is way off of being a muskrat. I just killed one of them last week (posted a pic on here) and the teeth were maybe 1/2 inch to 3/4. These teeth obviously are made to do some damage...like taking down a tree!