No, platypuses do not eat their babies uncooked. Platypuses are mammals, and mammals give birth to live young. Platypus mothers nurse their babies with milk, and the babies do not eat solid food until they are several weeks old.
Is a platypus poisonous and does it eat its babies uncooked?
Yes, the platypus is venomous. Male platypuses have a spur on their hind legs that can deliver a venom capable of causing severe pain and swelling in humans. The venom is not usually fatal, but it can be very unpleasant.