What Are Some Kinds of Animals? Many kinds of animals live on Earth. Different animals have different body parts and coverings. Animals have their young in different ways, too.
Some animals lay eggs. Other animals give birth to live young
Animal Body Parts. Fins help fish swim and balance. They also help fish steer. Suction cups help the frog climb and hold on. An elephant uses its trunk to grab and lift. It can also use it to drink water.
Mammals A mammal has hair or fur that covers its skin. Most mammal mothers give birth to live young. The young drink milk from their mother’s bodies.
Birds A bird has feathers that cover its skin. They have wings too. Feathers and wings help most birds fly. Birds use beaks to get food and build nests. Bird mothers lay eggs to have young.
Reptiles A reptile has dry skin covered with scales. Most reptiles walk on four legs. Most reptile mothers lay eggs on land.
Amphibians An amphibian lives in water and on land. Most amphibians have smooth, wet skin. They lay their eggs in water. Young amphibians live in the water. Most adult amphibians live on land.
Fish live in water and take in oxygen through gills. Fins help fish swim and balance. Most fish have scales and lay eggs.
Insects An insect has three body parts and six legs. It also has a hard outer body covering, but no bones. Most insects live on land. Many insects can fly.