vocal sac in a sentence

Examples

1. Mid-frequency sounds radiate from its vocal sac.
2. "It proved only that the cavity resonance in the vocal sac wasn't the source of the sound,"
3. Inner vocal sacs are present at the throat and webbings are well developed at the hind feet.
4. Male " Micrixalus herrei " have a single vocal sac and a nuptial pad on the first finger.
5. Males have two internal vocal sacs.
6. Note the sharply contrasted ventral surface, the vocal sac on the male's throat, and the female's larger size.
7. "Oreobates crepitans " is unusual among " Oreobates " in that its subgular vocal sac is only slightly developed.
8. Vocal sacs, flexible membranes of skin possessed by most male frogs, are generally used to amplify mating or advertisement calls.
9. Adult males have large vocal sacs on either side of the head which are used to produce a mating call.
10. Frogs in the genera " Heleioporus " and " Neobatrachus " lack vocal sacs but can still produce a loud call.