Other mammals said (a)   fly, such as flying squirrels and gliding possums glide rather than fly, and can only

Bats (a)   thought to represent about 20% of all classified mammal species worldwide

(a)   are calculated to be about 1,240 bat species in the world.

There are sometimes thought to (a)   been one single common bat ancestor, from which all bat species have evolved.

It is believed (a)   about 70% of bats are insectivores,

-about 70% of bats are insectivores, with most of the rest thought to (a)   fruit eaters, and a very few carnivores.

There (a)   thought to be bats in almost every habitat available on Earth, with the exception of the two polar regions.

In many places they are considered to (a)   a vital role in pollinating seeds and controlling the numbers of insects pests.

It has (a)   argued that Kitti's hog-nosed bat is the smallest extant species of mammal, although claims have also been made for the Etruscan shrew.

(a)   is generally agreed that the largest species of bat is the giant golden-crowned flying fox,

-the largest species of bat is the giant golden-crowned flying fox, which (a)   said to have a wingspan of 1.5 m.