Reviewed by Jennifer Robinson, MD on0/, 014. Weight cycling is losing weight and regaining it over and over. It's called yo-yo dieting when it happens because of dieting. Weight cycles can be big (50 pounds or more) or small (5-10 pounds).
Ostriches share the order Struthioniformes with the kiwis, and other ratites. It is distinctive in its appearance, with a long neck and legs and the ability to run at maximum speeds of about 70 km/h (45 mph), the top land speed of any bird. The ostrich is the largest living species of bird and lays the largest egg of any living bird.
Other Speedy Animals. Though the horse would win the race against the deer, it wouldn't fare so well against the pronghorn, which can reach speeds of 60 miles per hour, or the speedy cheetah, at 74 miles per hour. Surprisingly, an ostrich would be better competition than the deer, reaching a speed of 43 miles per hour. The deer could keep pace with a rabbit, who clocks in around 30 miles per hour, and easily have his way with a roadrunner, who races at almost 20 miles per hour.