Bat exist all around the world. There are 1,100 species around the world. The bats are very in size. The smallest bats "Kitti's Hog-nosed Bat" are 1.3 inches in length and the weight 0.07 oz. And the giant "Giant golden-crowned flying-fox" once are 1.5 meter of the wing spread and weight up to 3 pounds.
Most of the bats are frugivores, but few of them are cornivorous. Frugivores - vegetarians. Frougivores usually located around fruit plantations. Cornivorous - meat eaters. Anything that's meat, they eat. :)