Is A Bat A Rodent?

No a bat is the only animal of its kind however there are many species of bats

No a rodent is a mammal in  the order rodentia while a bat is a mamal in the order chiroptera.

Like you've heard from several others, a bat is NOT a rodent, and is from the chiroptera family.  It's one of the only few true flying mammals, and more and more species of bats are becoming extinct.

Bats may be a bit scary looking, but they are great for your backyard.  They eat mosquitoes and other pesky creatures.  In fact, it's been suggested that it's a good idea to build a bat house in your backyard.  There's several websites and books out there to tell you how.  Bats can carry rabies, but the risk of a bat carrying rabies, versus all the good they do, might be worth some wood and nails to put a bat house in your backyard!   

A bat is the only flying mammal in the world, unlike flying squirrels, possums and colugos, that only glide. There are about 1,100 different species of bats worldwide. Hope this helps.

Bats are not rodents.  They belong to the Order Chiroptera.  Rodents belong to the Order Rodentia.  Both bats are rodents are mammals falling under the Class Mammalia.  

Here is a great resource about various animals
http://animaldiversity.ummz.umich.edu/site/accounts/information/Chiroptera.html

A bat is not a rodent. It is the only flying mammal and there are many different types of bats!

Nope it's a placental flying mammal, not related to the rodent...get it straight people