There is no such thing as giving birth internally. Do you mean, "Do mammals give live birth?" All mammals but the five species of monotremes give live birth.
internally
Rats give birth to live young rather than laying eggs. They are mammals, and like most mammals, they develop their offspring internally and give birth to fully formed baby rats, known as pups. The gestation period for rats is typically around 21 to 23 days.
Koalas do not have eggs. They are mammals, so they give birth to live young, and do not lay eggs. Fertilisation occurs internally, in the fallopian tubes. This is like what happens in other mammals, including humans.
Dolphins reproduce internally and give live birth.
Mammals give birth to live young
push it out Pepsi_dog: beavers are mammals, therefore as all mammals give birth.
Llamas are mammals and give live birth, just as humans do. No, Llamas do not lay eggs, they are mammals and give birth to live young.No they are mammals and give live birth.
No! Most mammals give birth the same way except for the platypus which lays eggs and all other mammals give live birth
internal. horses give birth to live young - they're mammals.
As sperm must fertilise a females egg internally in a mammal, in theory, mammals start life as an egg. But, once the gestation period has been fulfilled, mammals give live birth.
Lions are placental mammals and give live birth.
Yes they are Mammals so give birth to baby dolphins, like other mammals give birth.Yes, dolphins give birth to live young. They are mammals, belonging to the cetacean family (which includes whales) and all cetaceans give birth to live young.