Which of the following animals is NOT a mammal?

Key Points

• Lizard is not a mammal; it is a reptile.
• Mammals are warm-blooded vertebrates that have hair or fur and whose females have mammary glands for feeding milk to their young.
• Examples of mammals include dolphins, bats, and elephants, all of which give birth to live young and have body hair at some stage of their life.
• Reptiles, like lizards, are cold-blooded and lay eggs. They have scales and do not possess mammary glands.

Additional Information

• Dolphins are aquatic mammals known for their intelligence and social behavior.
• Bats are the only mammals capable of sustained flight and are found in almost every part of the world.
• Elephants are the largest land mammals, known for their intelligence, social structure, and long trunks.
• Lizards belong to the order Squamata and are commonly found in various habitats around the world.
• Mammals and reptiles are both classes of vertebrates but differ significantly in their physiology and reproductive methods.