LING 1100 Lecture Notes - Waggle Dance, Bird Vocalization, Vocal Tract

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13 Feb 2023
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Productivity: no [ability to make new sentences out of old sentences] Vervet monkeys: alarm calls specific to predators [alert other monkeys] Bees perform a waggle dance to direct other bees for food) use angles to demonstrate to show where the food it is and distance. > they can only communicate in waggle dance. >although new messages can be constructed in a system like the bees" waggle dance, the range of possible meanings is limited by the scales. Calls: brief signals to indicate danger or keep in contact with other birds. Songs: longer vocalizations involved in courtship and mating. Birds lack a larynx; sound is produced by the syrinx. The part of the vocal tract where the trachea branches into the lungs. Resonance due to vibration of the membranes in the walls of the trachea. Pitch and volume controlled by tension of the membranes and rate of airflow. Exposure to adult song is necessary for most species.

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