How long does it take for a Platypus egg to hatch?

Answer:
Platypuses are one of only two types of mammals to lay eggs. Fertilised platypus eggs stay in the mother's body for around 28 days. The egg is incubated by the mother curling around it and keeping it warm and dry in the chamber of the burrow for another 10 days.
First answer by ID3420301107. Last edit by On the Wallaby. Contributor trust: 2765 [recommend contributor recommended]. Question popularity: 28 [recommend question].