Old and young female voices: effects of body weight, condition and social discomfort on the vocal aging in red deer hinds (Cervus elaphus)

Volodin, Ilya A.; Sibiryakova, Olga V.; Vasilieva, Nina A.; Volodina, Elena V.; Matrosova, Vera A.; García, Andrés J.; Pérez‐Barbería, F. Javier; Gallego, Laureano; Landete‐Castillejos, Tomás

doi:10.1163/1568539x-00003513

Cited by 5 publications

(18 citation statements)

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“…Methods of acoustic recordings followed the studies [ 2 , 16 ], conducted on the same herd. For acoustic recordings (48 kHz, 16 bit) we used solid state recorders Marantz PMD-660 (D&M Professional, Kanagawa, Japan) with Sennheiser K6-ME66 cardioid electret condenser microphones (Sennheiser electronic, Wedemark, Germany).…”

Section: Main Textmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

“…Studies of vocal aging have potential welfare implications in both nonhuman mammals [ 1 , 2 ] and humans [ 3 , 4 ]. Comparison of voices in female red deer ( Cervus elaphus ) aged from 4 to 18 years revealed that fundamental frequency (f0) of hind contact calls decreases with age but increases with degree of social discomfort [ 2 ]. The effects of aging differed on hind nasal and oral contact calls: a greater number of variables related to f0 decreased in the lower-arousal nasal calls compared to only one (the maximum fundamental frequency, f0max) in the high-arousal oral calls [ 2 ].…”

Section: Introductionmentioning

confidence: 99%

“…Comparison of voices in female red deer ( Cervus elaphus ) aged from 4 to 18 years revealed that fundamental frequency (f0) of hind contact calls decreases with age but increases with degree of social discomfort [ 2 ]. The effects of aging differed on hind nasal and oral contact calls: a greater number of variables related to f0 decreased in the lower-arousal nasal calls compared to only one (the maximum fundamental frequency, f0max) in the high-arousal oral calls [ 2 ]. The shift of f0 toward higher frequencies with increase of emotional arousal is a widespread phenomenon in mammals [ 5 – 10 ] that in red deer hinds masks the effect of aging on vocal variables [ 2 ].…”

Section: Introductionmentioning

confidence: 99%

“…However, the findings that both aging and social discomfort have measurable effects on the acoustic properties of a red deer female’s nasal and oral contact calls [ 2 ] were not yet confirmed with longitudinal (year-to-year) investigation. Longitudinal studies of vocal aging are relatively rare for humans [ 4 , 11 – 13 ] and nonhuman mammals [ 14 ] because of difficulties with collection of representative data for long terms [ 15 ].…”

Section: Introductionmentioning

confidence: 99%

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Between-year vocal aging in female red deer (Cervus elaphus)

et al. 2018

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ObjectivesStudying animal vocal aging has potential implication in the field of animal welfare and for modeling human voice aging. The objective was to examine, using a repeated measures approach, the between-year changes of weight, social discomfort score (bites of other hinds on hind pelt), body condition score (fat reserves) and acoustic variables of the nasal (closed-mouth) and the oral (open-mouth) contact calls produced by farmed red deer hinds (Cervus elaphus) toward their young.ResultsRepeated measures ANOVA revealed that with an increase of hind age for 1 year, the acoustic variables of their nasal contact calls (the beginning and maximum fundamental frequencies, the depth of frequency modulation and the peak frequency) decreased, whereas in their oral contact calls only the end fundamental frequency decreased. Duration and power quartiles did not change in any call type. Body weight and body condition score increased between years, whereas discomfort score decreased. Results of this study revealed directly the short-term effects of aging on the acoustics of the nasal contact calls in the same hinds. This study also confirmed that elevated emotional arousal during emission of the oral contact masks the effects of aging on vocalization in female red deer.Electronic supplementary materialThe online version of this article (10.1186/s13104-018-3833-4) contains supplementary material, which is available to authorized users.

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Section: Main Textmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Between-year vocal aging in female red deer (Cervus elaphus)

et al. 2018

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Nocturnal chats of farmed animals: non-rutting vocalisations of male Iberian red deer, Cervus elaphus hispanicus

et al. 2023

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Context Captive environment may inhibit the emission of some call types by non-domesticated farm and zoo animals; so, their complete vocal repertoires remain unknown. Automated acoustic recording might help fill this gap of knowledge. Aim The aim of this study was to describe vocalisations of farmed Iberian red deer, Cervus elaphus hispanicus, stags out of the autumnal rutting period (in summer and in winter) applying the manual and automated acoustic recording. Methods In this pilot study, automated audio recording of undisturbed animals followed with spectrographic analysis showed hidden parts of social acoustic communication in farmed male Iberian red deer in non-breeding period. Key results We detected three call types (roars, contact calls and bellows). Stag contact calls and bellows were described in the first time in red deer. Non-rutting roars were acoustically similar with rutting roars reported for wild-living Iberian red deer stags but of lower-frequency than were stag rutting roars recorded on the same farm in previous studies. Stag contact calls were reminiscent of hind contact calls recorded on the same farm in previous studies, but lower in frequency and shorter. Stag bellows were acoustically similar with bellows of male domestic cattle. Conclusion This study reveals previously unknown parts of male red deer vocal repertoire. Implications The lack of certain components of behavioural and vocal repertoire may indicate potential welfare problems in farmed and zoo animals.

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Exploring the role of vocalizations in regulating group dynamics

Xie,

Brask,

Dabelsteen

et al. 2024

Phil. Trans. R. Soc. B

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Because of the diverging needs of individuals, group life can lead to disputes and competition, but it also has many advantages, such as reduced predation risk, information sharing and increased hunting success. Social animals have to maintain group cohesion and need to synchronize activities, such as foraging, resting, social interactions and movements, in order to thrive in groups. Acoustic signals are highly relevant for social dynamics, some because they are long-ranging and others because they are short-ranging, which may serve important within-group functions. However, although there has been an increase in studies concentrating on acoustic communication within groups in the past decade, many aspects of how vocalizations relate to group dynamics are still poorly understood. The aim of this review is to present an overview of our current knowledge on the role of vocalizations in regulating social group dynamics, identify knowledge gaps and recommend potential future research directions. We review the role that vocalizations play in (i) collective movement, (ii) separation risk and cohesion maintenance, (iii) fission–fusion dynamics, and (iv) social networks. We recommend that future studies aim to increase the diversity of studied species and strengthen the integration of state-of-the-art tools to study social dynamics and acoustic signals. This article is part of the theme issue ‘The power of sound: unravelling how acoustic communication shapes group dynamics’.

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Old and young female voices: effects of body weight, condition and social discomfort on the vocal aging in red deer hinds (Cervus elaphus)

Cited by 5 publications

References 84 publications

Between-year vocal aging in female red deer (Cervus elaphus)

Between-year vocal aging in female red deer (Cervus elaphus)

Nocturnal chats of farmed animals: non-rutting vocalisations of male Iberian red deer, Cervus elaphus hispanicus

Exploring the role of vocalizations in regulating group dynamics

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