BIRTH by farzanpaknejad from iran

Which animal birth from this ?
Children by glinting the egg wait for resounded sounds of that
This twirl continue until children say their guess about an animal which is in the egg.
Finally when the egg lays off it breaks and an animal birth .
whoes guess is true?he is the winner of game.
This game benefi by Holographic system and each time shows different animals in random