vocal sac meaning in Hindi

Examples

1. The male expands his distinctive elongated vocal sac to produce a chirping call.
2. The female has a dark-spotted belly and lacks a vocal sac.
3. "Arthroleptides " species have distinct tympana and no external vocal sacs.
4. They lack vocal sacs but all species are known to call.
5. They have acute hearing but no vocal sac, and also lack nuptial pads.
6. The males have vocal sac and start calling at dusk.
7. The vibrations of the larynx emits a sound, which resonates within the vocal sac.
8. The vocal sac is like a balloon pushing air out.
9. The vocal sac of the male is not well developed.
10. The male has two well-developed internal subgular vocal sacs.