Squirrel and rats are small mammals. Squirrel is a part of sciuridae family and order of rodentia. Rat also belong to there order rodentia. Squirrel are rodents like wise rats and share similar characteristics together. They have sharp teeth which continually grow,head shape and size and ear size.
Je ne peux pas vraiment expliquer la réponse en raison de votre question confuse, mais voici une note pour faire des questions non confuses la prochaine fois