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.
Ostrich  - Wikipedia. 1  The emu is the second largest bird in the world! 2  Aruba is a perfect place for Emus to live. 3  Emus can sprint up to 31 mph (50 km/h), so they are not as fast as their primary predators, wild cats. 4  However, they have a special advantage over the cats.