There are many, possibly hundreds of species of mammals in Pennsylvania.
Bats (Chiroptera) are the true flying mammals with 970 species. Flying squirrels use "wings" to glide.
bats
There are almost 6,000 species of mammals.
There are estimated to be around 427 species of mammals in the Amazon rainforest.
67 native species of mammals
Order: Chiroptera. Bats are the only true flying mammals with over 950 species.
The main characteristic of the flying mammals is that they are all species of bats. Bats are the only flying mammal. Some of the characteristics of bats are that they fly almost exclusively at night, they can't walk very well, and they have excellent hearing.
Bats (several species) are the only true flying mammals, and are warm blooded.
They are bats, sugar gliders, flying squirrels.
Flying squirrels are mammals and mammals are vertebrae, they have backbones.
All species of bats are the only truly flying mammals, and are very able to fly safely.