Ostriches can't fly, but they are good at running. The big eyes of ostriches can see objects within 5km, and the running speed can reach 45km / h, which is worthy of the name of Qianli eye and Scud. Even so, they may be chased and unable to escape. It is said that at this time, they will bury their heads in the sand, thinking that they can't see anything, and they will be safe
When in danger, ostriches will bury their heads in the grass, thinking that their eyes can not see is safe. In fact, the ostrich has long legs and runs very fast. When in danger, it can run fast enough to get rid of the enemy's attack. If it is not to bury its head in the haystack and wait for death, it can avoid the attack of beasts.