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| Author | Seyfarth, R.M.; Cheney, D.L. | ||||
| Title | The acoustic features of vervet monkey grunts | Type | Journal Article | ||
| Year | 1984 | Publication | The Journal of the Acoustical Society of America | Abbreviated Journal | J Acoust Soc Am |
| Volume | 75 | Issue | 5 | Pages | 1623-1628 |
| Keywords | *Acoustics; Animals; Auditory Perception; Cercopithecus/*physiology; Cercopithecus aethiops/*physiology; Cues; Dominance-Subordination; Female; Male; Social Behavior; Sound Spectrography; *Vocalization, Animal | ||||
| Abstract | East African vervet monkeys give short (125 ms), harsh-sounding grunts to each other in a variety of social situations: when approaching a dominant or subordinate member of their group, when moving into a new area of their range, or upon seeing another group. Although all these vocalizations sound similar to humans, field playback experiments have shown that the monkeys distinguish at least four different calls. Acoustic analysis reveals that grunts have an aperiodic F0, at roughly 240 Hz. Most grunts exhibit a spectral peak close to this irregular F0. Grunts may also contain a second, rising or falling frequency peak, between 550 and 900 Hz. The location and changes in these two frequency peaks are the cues most likely to be used by vervets when distinguishing different grunt types. | ||||
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| Language | English | Summary Language  |
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| ISSN | 0001-4966 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | PMID:6736426 | Approved | no | ||
| Call Number | refbase @ user @ | Serial | 703 | ||
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| Author | Cheney, D.L.; Seyfarth, R.M. | ||||
| Title | How Monkeys See the World | Type | Miscellaneous | ||
| Year | 1990 | Publication | Abbreviated Journal | ||
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| Notes | Approved | no | |||
| Call Number | Equine Behaviour @ team @ | Serial | 4866 | ||
| Permanent link to this record | |||||