mao

Example:Rodents make up nearly 40% of mammalian species.

Definition:Any of a large group of gnawing mammals with continuously growing incisors that are kept short by wear and include guinea pigs, porcupines, and squirrels.

Example:Children often kept wild squirrels as pets.

Definition:Any of a large number of small, agile rodents, mostly with long bushy tails, that live in forests and eat nuts and fruit, belonging to several families (especially squirridae).