Various pics of adult dumbo eared rats to compare yours to (a pic of yours would help)....


http://content.answers.com/main/cont...lvet_small.jpg

http://animal-world.com/encyclo/feat...abyAndMom_.jpg (the world's CUTEST picture btw LOL)

http://www.altpet.net/rodents/rats/images/Fbrat1.jpg

http://www.neratsociety.co.uk/images...umbo/dumbo.jpg