What is a name of an animal that has a physical adaptation?

All animals have physical adaptations of some kind.

An example of an animal with a physical adaptation is the platypus. The platypus's bill has sensitive electroreceptors which pick up tiny nerve and electrical impulses generated by crustaceans and other animals that inhabit the bottom of the creek or river. The platypus then uses its bill to shovel away the dirt, and find the food. It does not have teeth, but hard bony plates which it uses to grind the food.