Vocal Communication in Lion-Tailed Macaques (Macaca silenus)

Hohmann, Gottfried; Herzog, Michael

doi:10.1159/000156226

Cited by 47 publications

(29 citation statements)

References 38 publications

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“…How well does the predicted and observed f 0 range overlap? The lowest f 0 of 80-100Hz corresponds to what has been reported in the literature (Green, 1975;Grimm, 1967;Lillehei and Snowdon, 1978;Hohmann and Herzog, 1985;Hauser, 1991;Hauser and Fowler, 1992;Owren et al, 1992;Owren and Rendall, 2003;Patel and Owren, 2007). The estimated maximum f 0 of ~2kHz fits many harmonic call types reported for rhesus monkeys, such as coo calls (Rowell and Hinde, 1962;Hauser, 1991;Owren and Rendall, 2003) or the girney call (Rowell and Hinde, 1962;Hauser and Fowler, 1992).…”

Section: Discussionsupporting

confidence: 78%

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Elasticity and stress relaxation of rhesus monkey (Macaca mulatta) vocal folds

Riede

2010

Journal of Experimental Biology

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SUMMARYFundamental frequency is an important perceptual parameter for acoustic communication in mammals. It is determined by vocal fold oscillation, which depends on the morphology and viscoelastic properties of the oscillating tissue. In this study, I tested if stress-strain and stress-relaxation behavior of rhesus monkey (Macaca mulatta) vocal folds allows the prediction of a species' natural fundamental frequency range across its entire vocal repertoire as well as of frequency contours within a single call type. In tensile tests, the load-strain and stress-relaxation behavior of rhesus monkey vocal folds and ventricular folds has been examined. Using the string model, predictions about the species' fundamental frequency range, individual variability, as well as the frequency contour of 'coo' calls were made. The low-and mid-frequency range (up to 2kHz) of rhesus monkeys can be predicted relatively well with the string model. The discrepancy between predicted maximum fundamental frequency and what has been recorded in rhesus monkeys is currently ascribed to the difficulty in predicting the behavior of the lamina propria at very high strain. Histological sections of the vocal fold and different staining techniques identified collagen, elastin, hyaluronan and, surprisingly, fat cells as components of the lamina propria. The distribution of all four components is not uniform, suggesting that different aspects of the lamina propria are drawn into oscillation depending on vocal fold tension. A differentiated recruitment of tissue into oscillation could extend the frequency range specifically at the upper end of the frequency scale.

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Section: Discussionsupporting

confidence: 78%

“…The coo call is a typical vocalization of all species in the genus Macaca (Green, 1975;Grimm, 1967;Itani, 1963;Lillehei and Snowdon, 1978;Hohmann and Herzog, 1985;Hauser, 1991;Hauser and Fowler, 1992;Owren et al, 1992;Owren and Rendall, 2003;Rendall et al, 1996). Coo calls are approximately 500ms in duration.…”

Section: Introductionmentioning

confidence: 99%

Elasticity and stress relaxation of rhesus monkey (Macaca mulatta) vocal folds

Riede

2010

Journal of Experimental Biology

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“…This hypothesis is supported by a study of captive long-tailed macaques in which only one female came into estrus and copulated at any given time (Hohmann and Herzog 1985). Most other studies of macaques and baboons, however, have shown that multiple females can be receptive at the same time and emit copulation calls in conjunction with mating (e.g., O'Connell and Cowlishaw 1994; Nikitopoulos et al 2004).…”

Section: Hypothesis 7: Copulation Calls Advertise Mating To Other Femmentioning

confidence: 89%

“…breeding synchrony (Hohmann and Herzog 1985). This hypothesis is supported by a study of captive long-tailed macaques in which only one female came into estrus and copulated at any given time (Hohmann and Herzog 1985).…”

Section: Hypothesis 7: Copulation Calls Advertise Mating To Other Femmentioning

confidence: 90%

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The evolution of female copulation calls in primates: a review and a new model

Pradhan

Engelhardt

Schaik

et al. 2005

Behav Ecol Sociobiol

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Female copulation calls are mating-associated vocalizations that occur in some species of Old World monkeys and apes. We argue that copulation calls have two immediate functions: to encourage mating attempts by other males and to increase mate guarding by the consort male. We hypothesize that female copulation calls have evolved under the selective pressures of risk of infanticide and sperm competition. When male mate guarding is effective, copulation calls allow females to concentrate paternity in dominant males and benefit from their protection against the risk of infanticide. When mate guarding is ineffective, copulation calls may bring genetic benefits to females through facilitation of sperm competition. We present a quantitative model in which interspecific variation in females' promiscuity predicts their tendency to use copulation calls in conjunction with mating. The model predicts that in species with little female promiscuity copulation calls should be rare and exhibited only in association with mating with dominant males. In species in which females are highly promiscuous, copulation calls should be frequent and unrelated to male dominance rank. The limited data available to test the model support its main predictions as well as the predicted relation between copulation calls and male dominance rank.

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Macaque Fertility Signals

Higham

Dubuc

2015

Encyclopedia of Life Sciences

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Females of many animal species exhibit signals of fertility, but few animal groups do so with such prevalence, diversity of signal types, and variability between closely related species, as anthropoid primates. An excellent group for studying the evolution of such signals is the macaques, a group of some 22 species of Old World monkey. The macaques exhibit the same general mating system, but a great amount of inter‐specific variation in the type and number of different signals they display. In this article, we discuss the evolution of these traits, including the types of variation in fertility that they may indicate and the hormonal mechanisms that underlie them. We discuss the different signals that macaques exhibit, and review the distribution and abundance of these signals across species. Even closely related species differ in the type and number of signals displayed, as well as in their apparent accuracy in reflecting the timing of female ovulation. We offer some potential explanations for this variation, though much is still poorly understood. We finish by discussing future directions for research that are likely to prove fruitful. Key Concepts Females of many anthropoid primates, including macaques, exhibit signals of fertility. Macaque signals of fertility include swellings of the hindquarters, changes in facial colour, olfactory signals, and auditory oestrus and copulation calls. Three types of variation in fertility might potentially be communicated to others: intra‐cycle variation in the probability of ovulation; inter‐cycle, intra‐female variation in the probability of conception in that cycle, and inter‐female differences in overall fecundity. The expression of intra‐cycle signals of the probability of ovulation is linked to the hormones oestrogen (positively) and progesterone (negatively). There is a great deal of inter‐specific variation in the presence and type of fertility signals shown, as well as in their apparent accuracy in reflecting ovulatory function. Though we understand some of the evolutionary pressures that may have led to inter‐specific variation, the sources of much of the variation remain unclear.

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Vocal Communication in Lion-Tailed Macaques (Macaca silenus)

Cited by 47 publications

References 38 publications

Elasticity and stress relaxation of rhesus monkey (Macaca mulatta) vocal folds

Elasticity and stress relaxation of rhesus monkey (Macaca mulatta) vocal folds

The evolution of female copulation calls in primates: a review and a new model

Macaque Fertility Signals

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