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Hi,
When the bird's mouth is long we use from "menghar", like :Crow & stork
But when the bird's mouth is short we use from "nok",like :Hen and chick
menghar_e kalagh___منقار کلاغ
menghar_e lak lak___منقار لک لک
nok_e morgh___نوک مرغ
nok_e juje___نوک جوجه
