Ostriches are very interesting animals, here are a few fun facts about this bird. The female Ostrich has an amazing ability to spot out her own egg, even when it’s mixed up with other females eggs. The Ostrich is the heaviest and most largest bird in the world. Also did you know that this amazing bird is the fastest running bird, and is also the only bird that has two toes. They can keep a steady speed up to 30 MPH in long distances.