An ostrich's eye is bigger than its brain.
Ostrich can run at up to about 70 km/h (19 m/s; 4r3 mph), the fastest land speed of any bird. source
Ostrich can run at up to about 70 km/h (19 m/s; 4r3 mph), the fastest land speed of any bird.
The ostrich is the largest living species of bird and lays the largest eggs of any living bird. source
The ostrich is the largest living species of bird and lays the largest eggs of any living bird.
Ostriches usually weigh from 63 to 145 kilograms (139–320 lb), or as much as two adult humans. source
Ostriches usually weigh from 63 to 145 kilograms (139–320 lb), or as much as two adult humans.
Ostriches are omnivores, which means they eat both vegetation and meat. source
Ostriches are omnivores, which means they eat both vegetation and meat.
When danger approaches, an ostrich will often lie low to hide, stretching its neck along the ground. source
When danger approaches, an ostrich will often lie low to hide, stretching its neck along the ground.
An ostrich will kick with a force mighty enough to kill a lion. source
An ostrich will kick with a force mighty enough to kill a lion.
During the mating season, males roar like lions. source
During the mating season, males roar like lions.
Birds live worldwide and range in size from the 5 cm (2 in) bee hummingbird to the 2.75 m (9 ft) ostrich.