The variation in reliability of individual vocal signature throughout ontogenesis in the red-crowned crane Grus japonensis

Klenova, Anna V.; Volodin, Ilya A.; Volodina, Elena V.

doi:10.1007/s10211-009-0053-x

Cited by 18 publications

(12 citation statements)

References 19 publications

(27 reference statements)

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“…We assume that juvenile goitred gazelles appear to benefit from varying the ratio of production of the oral and nasal calls according to a trade‐off between the risk of predation and the need of parental care. In non‐passerine birds, similar adjustments of the caller’s vocal identity in accordance with the chicks’ needs of parental care were found in red‐crowned cranes ( Grus japonensis ) (Klenova et al. 2009).…”

Section: Discussionmentioning

confidence: 62%

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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Section: Discussionmentioning

confidence: 62%

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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“…Mother-offspring recognition is critically important for the survival of the young for many taxa: ungulates [ 1 , 2 ], pinnipedes [ 3 - 5 ], bats [ 6 , 7 ], penguins [ 8 , 9 ], alcids [ 10 , 11 ], larids [ 12 , 13 ] and cranes [ 14 ]. Along with the visual and olfactory cues vocalizations play an important role in this process [ 15 - 18 ].…”

Section: Introductionmentioning

confidence: 99%

The power of oral and nasal calls to discriminate individual mothers and offspring in red deer, Cervus elaphus

et al. 2015

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BackgroundIn most species, acoustical cues are crucial for mother-offspring recognition. Studies of a few species of ungulates showed that potential for individual recognition may differ between nasal and oral contact calls.ResultsVocalizations of 28 hinds and 31 calves of farmed Iberian red deer (Cervus elaphus hispanicus) were examined with discriminant function analyses (DFA) to determine whether acoustic structure of their oral and nasal contact calls encodes information about the caller’s identity. Contact calls were elicited by brief separation of individually identified animals by a distance over 10 m or by a bar fence. Both oral and nasal calls of both hinds and calves showed high potential to discriminate individuals. In hinds, individuality was significantly higher in the oral than in the nasal calls, whereas in calves, individuality was equally well expressed in both oral and nasal calls. For calves, the maximum fundamental frequency was higher and the duration was longer in oral calls than in nasal calls. For hinds, the maximum fundamental frequency and the duration were indistinguishable between oral and nasal calls. Compared to the pooled sample of oral and nasal calls, separate oral or nasal call samples provided better classifying accuracy to individual in either hinds or calves. Nevertheless, in both hinds and calves, even in the pooled sample of oral and nasal calls, the degree of individual identity was 2–3 times greater than expected by chance. For hinds that provided calls in both years, cross-validation of calls collected in 2012 with discriminant functions created with calls from 2011 showed a strong decrease of classifying accuracy to individual.ConclusionsThese results suggest different potentials of nasal and oral calls to allow the discrimination of individuals among hinds, but not among red deer calves. The high potential of individual recognition even with the pooled sample of oral and nasal calls allows mother and young to remember only one set of acoustic variables for mutual vocal recognition. Poor between-year stability of individual characteristics of hind oral and nasal calls would require updating keys to individual recognition each calving season.Electronic supplementary materialThe online version of this article (doi:10.1186/s12983-014-0094-5) contains supplementary material, which is available to authorized users.

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“…We classified calls according to presence or absence of pulsation into trills or chirps and selected for further analysis chirps with bi-part ('head' and 'tail') contour of frequency modulation (PE-chirps according to Klenova et al, 2007, hereafter 'chirps') and all trills ( Figure 1). Only PE-chirps and trills occurred all over the vocal ontogenesis (Klenova et al, 2007(Klenova et al, , 2009.…”

Section: Call Recordingsmentioning

confidence: 95%

“…More recent studies in a few crane species (Archibald, 1976;Niemeier, 1979;Nesbitt & Bradley, 1996;Gebauer & Kaiser, 1998) report different terms of its onset, completion and duration. Also, they report that long before voice breaking, at the age of 3-4 months, fundamental frequencies of crane vocalizations are still kept above 2-4 kHz, whereas at the age of 1 year they already do not exceed 1-1.2 kHz (sandhill crane, Grus canadensis: Niemeier, 1979;Nesbitt & Bradley, 1996; Eurasian crane, Grus grus: Gebauer & Kaiser, 1998; grey crowned crane, Balearica regulorum: Budde, 1999aBudde, ,b, 2001; Siberian crane, Grus leucogeranus: Kasirova et al, 2005;Bragina & Beme, 2007; red-crowned crane: Klenova et al, 2007Klenova et al, , 2008Klenova et al, , 2009. Summarizing these findings, voice breaking occurs between the ages of 3-4 months and 1 year, but the voice changes occurring during this age have not yet been studied in details in any crane species.…”

Section: Introductionmentioning

confidence: 99%

“…Among cranes, the early vocal development has been studied most thoroughly in the red-crowned crane. The vocal repertoire of red-crowned crane chicks contains chirps and trills, and the vocal ontogenesis for these vocalizations is similar in both sexes, with the same call types occurring in males and females and with very weak intersexual differences in call characteristics (Klenova et al, 2007(Klenova et al, , 2008(Klenova et al, , 2009.…”

Section: Introductionmentioning

confidence: 99%

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Voice breaking in adolescent red-crowned cranes (Grus japonensis)

Klenova¹,

Volodin²,

Volodina³

et al. 2010

Behav

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Voice breaking is a process associated with puberty of human males that also occurs in adolescence in some birds. This study reports the jump-like vocal changes occurring during voice breaking in adolescent red-crowned cranes (Grus japonensis). We investigated acoustic parameters of chirp and trill calls during vocal ontogenesis from hatching to the age of 1.5 years in 17 male and 31 female captive red-crowned cranes and compared them with definitive calls of 5 male and 8 female conspecific adults. During voice breaking, trills and chirps of both sexes contained two non-overlapping independent fundamental frequencies: the upper one, representing the retained juvenile frequency, and the lower one, the newly attained adult frequency. Before voice breaking, the calls contained only the upper frequency, whereas after it only the lower one. Voice breaking occurred between the age of 7 and 11.5 months. We test whether sex, dates of birth and body mass gain are associated with voice breaking and speculate whether voice breaking triggers the disruption of the parentchick bond or vice versa, or both events are driven by a third, yet unidentified trigger.

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The variation in reliability of individual vocal signature throughout ontogenesis in the red-crowned crane Grus japonensis

Cited by 18 publications

References 19 publications

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

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

The power of oral and nasal calls to discriminate individual mothers and offspring in red deer, Cervus elaphus

Voice breaking in adolescent red-crowned cranes (Grus japonensis)

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