The ostrich is the largest bird in the world and it cannot fly.
Ostriches have wings, but they are too small and light to support their large body weight. They use their wings for balance and to help them run faster.
Ostriches are flightless birds that live in Africa. They are known for their long legs, long necks, and large bodies. They are the fastest running birds on earth, reaching speeds of up to 70 kilometers per hour.
Other flightless birds include the emu, cassowary, kiwi, and penguin. These birds have evolved to adapt to different environments and have lost the ability to fly.
For example, penguins have adapted to life in the water and their wings have evolved into flippers for swimming.
Flightless birds have evolved for various reasons, including:
- Lack of predators: In areas without predators, birds may not need to fly to escape danger.
- Food sources: Some birds may have evolved to feed on food sources that are available on the ground, such as seeds and insects.
- Limited resources: In environments with limited resources, birds may have evolved to be smaller and lighter, making it difficult to fly.
