Related Questions. The mother also nurses the baby in the beginning of its life. The only mammals that lay eggs are the montremes which currently consist of the platypus and 4 species of echidnas. Related Questions. No, bats do not lay eggs. Bats don't lay eggs. Bats give birth to pubs when there is a plenty of food available. Wiki User June 13, 2012 6:04AM. Bats are mammals; all creatures with fur are mammals. Bats give live birth. Instead, they give birth to one pub (baby) a year. No, bats do not lay eggs. Wiki User March 23, 2012 10:10AM. Do bats give birth directly or lay eggs? Answer. They do not lay eggs. Bats lay eggs. Asked in Bats What do bat eggs look like? Do bats lay eggs or give birth to young? They do NOT lay eggs; they give live birth to live offspring like nearly all mammals. Like nearly all other mammals, bats give birth to live young, only one at a time. Bats are classified as mammals, not birds, although they can fly by flapping their wings as birds do.