
The ostrich is the largest bird on Earth. These flightless birds have short wings, but they can run extremely fast at up to 43 miles per hour. Their strong legs are powerful enough to kill large predators. Your avid explorers will learn intriguing facts about these grassland-dwelling...

The ostrich is the largest bird on Earth. These flightless birds have short wings, but they can run extremely fast at up to 43 miles per hour. Their strong legs are powerful enough to kill large predators. Your avid explorers will learn intriguing facts about these grassland-dwelling...