PARROT

Not all people knows why parrot can imitate man utterance. Moreover why not all the berucap-ucap bird can. This happened because parrot to apply its(the tongue to can yield voice like vowel letters as also to us, man. At man, sound yielded in larynx ( larynx) and earns diubah-ubah with existence of movement of the tongue in mouth. Up to now, many researchers of opinion that parrot, as does nation of other bird, yields and mengubah-ubah its(the voice by using larynx and syrinx without using its(the tongue is at all. But simply, parrot moves its(the tongue is forwards and rear when talking.