you should ask them humans
Cows are mammals and give birth to live young.
Cows are mammals that give birth to live young, they do not hatch from eggs.
No, penguins do not give birth to live young. They give birth to eggs.
For the most part, these are mammals. Specifically, they are eitehr placental viviparous, or marsupial. The only mammal group which does not give birth to live young are the monotremes. Some members of the reptile class, the amphibians and the fish also give birth to live young.
meerkats give birth to around 4 live young
Horses give birth to live young
Of course not. Cows are placental mammals. They give live birth.
Yes, Guppies give birth to live young.
Yes they do, like all aquatic mammals they give birth to and nurse live young.
Yes, gorillas give live birth.
they are mammals, so they give birth to live young.
Both placental mammals and marsupials give birth to live young.