What is birds group?

Birds are a group of warm-blooded, feathered animals with wings and beaks. There are around 10,000 species of birds, ranging in size from the tiny hummingbird to the enormous ostrich. Birds have a wide variety of adaptations that allow them to live in different environments, from deserts to rainforests to the Arctic tundra. Many birds are migratory, traveling long distances to breed or find food. Birds are important for pollinating plants and controlling insect populations. They are also a popular subject for study and observation by birdwatchers and ornithologists.