Where does blue whales live?
The blue whales live in the ocean.
Blue whales - like all whales - are placental mammals. They give live birth and don't lay eggs. A whale is a mammal meaning that it gives live birth. there are only several mammals on the planet that lay eggs and whales aren't one of them. So no. No, a blue whale can not lay an egg because whales are mammals and they give live birth like all mammals do such as humans.