The egg of a platypus is leathery. It is not hard-shelled like a bird's egg.
A platypus egg is an egg laid by a platypus. This is the most amazing thing in the world to me for it is so strange indeed!!!!!!!!!!!!!!!!!!!
The platypus and echidna are recognised as egg-laying mammals. They are monotremes, which are egg-laying mammals.
A platypus's egg is off-white to pale creamy beige in colour. It is about the size of a grape.
A platypus is an egg laying mammal, or monotreme. Its actual species name is Ornithorhynchus anatinus.
A platypus is a monotreme, which is an egg-laying mammal.
Platypus is a semi-aquatic egg-laying mammal - not a fish.
A platypus's egg is a pale, cream or creamy-grey colour.
The platypus belongs to the subfamily of monotremes. Monotremes are egg-laying mammals.
The platypus is not a reptile - it is an egg-laying mammal.
The platypus is a protected Australian native monotreme, or egg-laying mammal.
Platypuses are monotremes, or egg-laying mammals.
Out of an egg. Platypuses are Monotremes.