The Role of Vocalization in the Communication between Red Deer Hinds and Calves

Vaňková, Dominika; Bartoš, Luděk; Málek, Jan

doi:10.1111/j.1439-0310.1997.tb00121.x

Cited by 29 publications

(11 citation statements)

References 14 publications

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“…Our findings are also consistent with the observation that despite red deer being a strongly sexually sizedimorphic species (males are 1.5 times heavier, CluttonBrock et al 1982) call fundamental frequency is comparable in males and females (Vankova et al 1997;Reby & McComb 2003a). Similarly, in North American Elk or Wapiti (Cervus e. nelsoni), the very strong sexual dimorphism in body size does not translate into vocal fold length dimorphism (Riede & Titze 2008), nor is it associated with F0 dimorphism (Feighny et al 2006).…”

Section: Discussionsupporting

confidence: 91%

Oestrous red deer hinds prefer male roars with higher fundamental frequencies

et al. 2010

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Across vertebrates, the observation that lower-pitched vocalizations are typically associated with larger and/or higher quality males has lead to the widespread belief that inter-and intra-sexual selection will produce male calls with low fundamental frequencies (F0). Here we investigated the response of oestrous red deer hinds to playback of re-synthesized male roars characterized by either higher than average or lower than average F0. We found that hinds prefer higher rather than lower 'pitched' roars, providing, to our knowledge, the first evidence of such a bias in nonhuman mammals. Our findings can be interpreted in relation to previous observations that the minimum F0 of roars is positively correlated with male reproductive success in free-ranging red deer stags, and that across Cervids the F0 of male mating calls shows extreme variability. Females showing preferences for higher-pitched roars might derive genetic benefits through more competitive male offspring. Our results emphasize the need for further investigations of female preferences in mammals in order to better understand the extreme variation of F0 values observed in male sexual calls.

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Section: Discussionsupporting

confidence: 91%

Oestrous red deer hinds prefer male roars with higher fundamental frequencies

et al. 2010

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“…So, for them was not so dangerous to advertise their own presence to their mothers. Nevertheless, we observed that the mothers vocalized more actively than the calves, so their vocal contacts were not perfectly symmetrical, similar to reports for the Central European red deer (Vaňková et al, ) and saiga (Sibiryakova et al, ).…”

Section: Discussionsupporting

confidence: 90%

Advertising individual identity by mother and adolescent contact calls in Siberian wapiti Cervus elaphus sibiricus

Sibiryakova

Volodin

Volodina³

2018

Ethology

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Individualistic contact calls facilitate mother‐offspring reunion after separation. However, in many mammals, both the acoustic structure and individuality of contact calls differ between mother and young. In contrast, in Siberian wapiti Cervus elaphus sibiricus, contact calls are similar in the acoustics between mother and young, whereas effects of this similarity on vocal individuality were not investigated. In this study, we analyzed acoustic differences between closed‐mouth (nasal) and open‐mouth (oral) contact calls and examined individuality of the most usual oral calls of 19 Siberian wapiti (9 hinds and 10 5–6‐month adolescents) emitted in response to mother‐offspring separation. In the oral calls, the values of frequency and power variables were higher than in the nasal calls. Calls of hinds and adolescents did not differ by the maximum fundamental frequency and duration, whereas the peak frequency was higher in the young. Discriminant function analysis (DFA) based on 11 acoustic variables of oral calls accurately classified to individual 92.5% of hind calls and 96.9% of adolescent calls (chi‐square test for differences between hinds and adolescents, p = 0.19). Variables mainly contributing to vocal identity (duration, start, and maximum fundamental frequency) were the same in calls of mothers and adolescents. We conclude that similarities in the acoustics calls of mothers and adolescents mean that they do not differ in their potential for encoding individual identity, suggesting a mutual process of mother‐offspring vocal recognition in Siberian wapiti.

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“…2007b). Consistently, a few days post‐partum, red deer and goitred gazelles approach in response to even imperfect imitations of juvenile calls by humans (Vankova et al. 1997; own personal observations), probably because the females have not learned the individual characteristics of their young yet (Soldatova 1983; Jevnerov 1984).…”

Section: Discussionmentioning

confidence: 99%

Nasal and Oral Calls in Juvenile Goitred Gazelles (Gazella subgutturosa) and their Potential to Encode Sex and Identity

Volodin

Lapshina

Volodina³

et al. 2011

Ethology

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Like many other gazelles, goitred gazelles (Gazella subgutturosa) are capable of calling either through the nose or through the open mouth. In particular, juvenile goitred gazelles provide a convenient model for contrasting acoustic characteristics of nasal and oral calls, and for estimating their communicative functions. In this study, acoustic variables (formants, fundamental frequency, duration and power quartiles) of 480 oral and 483 nasal calls, recorded from 20 (9 male, 11 female) individually identified captive juvenile goitred gazelles, were examined for their potential to encode sex and identity of the caller. Discriminant function analysis revealed an equally high potential of oral and nasal calls to encode sex, whereas encoding the individual identity was significantly more accurate for oral calls. Sex was encoded exclusively in formants, whilst individual identity was encoded in a combination of all investigated variables. No correlation was found between body mass and values of any acoustic variable. Analyses controlling for age and sex revealed higher average values for all investigated variables of oral calls compared to nasal calls. We discuss the results in relation to the source‐filter theory, mother–offspring communication and production mechanisms of nasal and oral calls in mammals.

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The Role of Vocalization in the Communication between Red Deer Hinds and Calves

Cited by 29 publications

References 14 publications

Oestrous red deer hinds prefer male roars with higher fundamental frequencies

Oestrous red deer hinds prefer male roars with higher fundamental frequencies

Advertising individual identity by mother and adolescent contact calls in Siberian wapiti Cervus elaphus sibiricus

Nasal and Oral Calls in Juvenile Goitred Gazelles (Gazella subgutturosa) and their Potential to Encode Sex and Identity

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