Fact 1: Platypus females lay their eggs in a burrow.

Fact 2: Although the platypus is a mammal, it is bizarre and lays eggs .

Given the two facts above, answer the question "What does not normally lay eggs?" with the following options: 
- swea
 - insects
 - Mammal
 - chickens
 - cows
 - animals
 - parasites
 - ducks


 

   Mammal      