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vocal sac

noun

  1. zoology either of the loose folds of skin on each side of the mouth in many male frogs that can be inflated and act as resonators
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


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Example Sentences

The vocal sac was brownish gray; the iris was a bright golden color.

The belly and tips of digits were white; the vocal sac was purplish brown, and the iris was dark grayish gold.

Although Osteocephalus and Argenteohyla have similar vocal sac structure, they are obviously distinct.

The vocal sac structure of Trachycephalus is like that of Phrynohyas and therefore further distinguishes it from Osteocephalus.

Osteocephalus and Argenteohyla are similarly distinguished from Phrynohyas and Trachycephalus on the basis of vocal sac structure.

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Vocal Memnonvocal score