Sounds and Vocal Behavior

Generally silent. Adults use different sounds during the breeding season, copulation, and interactions at feeding aggregations. Nestlings possess calls to express begging, discomfort or defense.

Vocal Development

The begging call is quite sharp in the hatchling but lower-pitched in feathered chicks (16 Bernis, F. (1966). El Buitre negro (Aegypius monachus) en Iberia. Ardeola 12(1):45–99. Close ); in fledged young it is loud and can be heard some distance from the nest (2 Cramp, S., and K. E. L. Simmons, Editors (1980). The Birds of the Western Palearctic. Volume 2. Hawks to Bustards. Oxford University Press, Oxford, UK. Close ).

Vocal Array

Adults are generally silent at nests (16 Bernis, F. (1966). El Buitre negro (Aegypius monachus) en Iberia. Ardeola 12(1):45–99. Close , 10 Suetens, W., and P. van Groenendael (1966). Sobre ecología y conducta reproductora del Buitre Negro (Aegypius monachus). Ardeola 12(1):19–44. Close , 2 Cramp, S., and K. E. L. Simmons, Editors (1980). The Birds of the Western Palearctic. Volume 2. Hawks to Bustards. Oxford University Press, Oxford, UK. Close ). During breeding season, however, the species does utter moans, hisses, roars, loud sharp noises, and querulous mewing notes (242 Brown, L. H., and D. Amadon (1968). Eagles, Hawks and Falcons of the World. Country Life Books, Feltham, UK. Close , 1 Glutz von Blotzheim, N., K. M. Bauer, and E. Bezzel (1971). Handbuch der Vögel Mitteleuropas. Band 4. Falconiformes. Akademische Verlagsgesellschaft, Frankfurt am Main, Germany. Close , 2 Cramp, S., and K. E. L. Simmons, Editors (1980). The Birds of the Western Palearctic. Volume 2. Hawks to Bustards. Oxford University Press, Oxford, UK. Close ). It also gives croaks, hisses, and grunts at carcasses (242 Brown, L. H., and D. Amadon (1968). Eagles, Hawks and Falcons of the World. Country Life Books, Feltham, UK. Close , 1 Glutz von Blotzheim, N., K. M. Bauer, and E. Bezzel (1971). Handbuch der Vögel Mitteleuropas. Band 4. Falconiformes. Akademische Verlagsgesellschaft, Frankfurt am Main, Germany. Close ). When disturbed, the Cinereous Vulture utters grunting growls, an ascending "kokokoko," pointed "ghighighighi," and high "gli-gli-gli" (243 Kattinger, E. (1935). Beiträge zur Vogelkunde Nordgriechenlands (Fortsetzung und Schluss). Verhandlungen der Ornithologischen Gesellschaft in Bayern 20(4):483–537. Close , 1 Glutz von Blotzheim, N., K. M. Bauer, and E. Bezzel (1971). Handbuch der Vögel Mitteleuropas. Band 4. Falconiformes. Akademische Verlagsgesellschaft, Frankfurt am Main, Germany. Close ). During copulation, both the male and female make hissing noises, or a droning, whistled "viiiae viiiae" (244 Fischer, A. B. (1969). Laboruntersuchungen und Freilandbeobachtungen zum sehvermögen und Verhalten von Altweltgeiern. Zoologische Jahrbücher. Abteilung für Systematik, Ökologie und Geographie der Tiere 96:81–132. Close , 1 Glutz von Blotzheim, N., K. M. Bauer, and E. Bezzel (1971). Handbuch der Vögel Mitteleuropas. Band 4. Falconiformes. Akademische Verlagsgesellschaft, Frankfurt am Main, Germany. Close , 245 Meier, E. (1982). Une reproduction en captivité du Vautour moine (Aegypius monchus). Nos Oiseaux 36:233‒239. Close ).

Nestlings beg using a pitiful, high-pitched "beep" and utter a guttural cackling "güé-güé-güé" to express discomfort (16 Bernis, F. (1966). El Buitre negro (Aegypius monachus) en Iberia. Ardeola 12(1):45–99. Close ). During defense, the feathered nestling utters whistled blowing sounds (16 Bernis, F. (1966). El Buitre negro (Aegypius monachus) en Iberia. Ardeola 12(1):45–99. Close , 1 Glutz von Blotzheim, N., K. M. Bauer, and E. Bezzel (1971). Handbuch der Vögel Mitteleuropas. Band 4. Falconiformes. Akademische Verlagsgesellschaft, Frankfurt am Main, Germany. Close , 10 Suetens, W., and P. van Groenendael (1966). Sobre ecología y conducta reproductora del Buitre Negro (Aegypius monachus). Ardeola 12(1):19–44. Close , 2 Cramp, S., and K. E. L. Simmons, Editors (1980). The Birds of the Western Palearctic. Volume 2. Hawks to Bustards. Oxford University Press, Oxford, UK. Close ).

Geographic Variation

Information needed.

Phenology

Information needed.

Daily Pattern of Vocalizing

Information needed.

Sex Differences

Information needed.

None known.