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Syrinx اندام صوتی پرندگان Lower Larynx Voice Organ

Front syrinx
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اندام صوتی پرندگان
the lower larynx or voice organ in birds, situated at or near the junction of the trachea and bronchi and well developed in songbirds.
They have a tracheobronchial syrinx with one pair of intrinsic muscles and modified bronchial and tracheal rings.

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