* Platypus: A unique egg-laying mammal found in eastern Australia. They are known for their duck-like bill, beaver-like tail, and venomous spurs on their hind legs.
* Bear: A large, powerful mammal belonging to the family Ursidae. There are eight species of bears, including brown bears, polar bears, and black bears.
While these two animals are both mammals, they are very different in appearance, habitat, and behavior. They are not related in any way.