An animal that can give birth is a female organism. Males can't give birth because they don't have the appropriate organs.
live birth not eggs are mothers who are mammals
a sheep
a whale.
Bats
Like all dogs it gives birth to a live animal
snakes
humans
Hippopotamuses, Fish
donno
a spider
Armadillo
Not necessarily. For the Placential mammals birth is a big deal but for the rest of the animal kingdom it is not such a tramatic event.