GAMES RIGHT! What do a Kiwi bird and an Ostrich have in common? They are both flightless birds. The male birds keep the eggs warm before they hatch. The eggs of both birds are the same size. Next Question The eggs of the Kiwi bird and the Ostrich are the same size. However, the adult Kiwi is 20 times smaller than the adult Ostrich! This means the mother Kiwi must lay an egg ¼ of her weight! © 2024 High Touch Entertainment, LLC All Rights Reserved Tweet