Penguin - Penguins are flightless birds that are adapted to life in the water. Their wings have evolved into flippers that help them swim and dive for food.
Ostrich - The ostrich is the largest bird in the world and is also flightless. They have long, powerful legs that enable them to run at high speeds of up to 70 km/h.
Kiwi - Kiwis are small, flightless birds native to New Zealand. They have tiny wings that are not capable of lifting them off the ground, but they are excellent runners and use their long beaks to search for food.
Emu - Emus are the second-largest bird in the world and are also flightless. They have strong legs and can run up to 50 km/h.
Cassowary - The cassowary is a large, flightless bird found in Australia and New Guinea. They have strong, muscular legs and sharp claws that they use for defense.
Rhea - The rhea is a flightless bird found in South America. They have strong legs and can run up to 60 km/h.
Kakapo - The kakapo is a rare, flightless parrot native to New Zealand. They have strong legs and can climb trees, but they are unable to fly due to their heavy body and small wings.
Takahe - The takahe is a flightless bird found only in New Zealand. They have small wings and are excellent runners, but are unable to fly.