Are the spiny anteater and platypus amphibians?

The spiny anteater and platypus are not amphibians. Amphibians are animals that can live both in water and on land. They have smooth skin, no hair or feathers, and lay their eggs in water. The spiny anteater is a mammal that lives in South America. It has spiny fur, lives on land, and gives birth to live young. The platypus is a mammal that lives in Australia. It has fur, lays its eggs on land, and the mother produces milk to feed her young.