A Bird That Cannot Fly?

2 A Bird That Cannot Fly? Most birds fly. But not all birds. Do you know the ostrich? It's the biggest bird on the Earth. It stands three metres tall and is 150 kilograms in weight. Yes, an ostrich is a bird, but it cannot fly. Why can't it fly? Its wings are too small. It does not need to fly. It can run fast. t runs 60 kilometres per hour. That's fast! Who needs to fly when you can run that fast?

Ready, set, go!