Yes they do, like all aquatic mammals they give birth to and nurse live young.
No, penguins do not give birth to live young. They give birth to eggs.
Walruses are warmblooded Mammals. No, a walrus is a mammal.
Do horses give birth to live young? YES!
meerkats give birth to around 4 live young
Horses give birth to live young
Yes, Guppies give birth to live young.
Yes, gorillas give live birth.
Both placental mammals and marsupials give birth to live young.
they are mammals, so they give birth to live young.
No, it is a mammal that does not lay eggs.
Raccoons are placental mammals and give live birth to their young.
Actually aphids give birth to live young!