Yes bats are mammals. Like. Fling rats.
A vampire bat is a vertebrate.
Yes. All mammals, including bats, have backbones.
No there is more with backbones
If these are true wings, this is a bird. BTW not all can fly: penguins
No backbones
Pigs do have backbones.
it has 2 backbones
All snakes have backbones.
all fishes have backbones
The backbones are part of the skeleton.
no they don't have backbones
no myriapods don't have backbones