Vocal development and voice breaking in Demoiselle Cranes (<i>Anthropoides virgo</i>)

Klenova, Anna V.; Goncharova, Maria; Bragina, Eugenia V.; Kashentseva, T. A.

doi:10.1080/09524622.2014.900648

Cited by 13 publications

(7 citation statements)

References 44 publications

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“…This study was conducted with 4 male and 7 female Red-crowned Cranes, 7 male and 4 female Siberian Cranes and 8 male and 3 female Demoiselle Cranes (Goncharova et al 2015). Sex differences were also lacking across the voice breaking in adolescent Red-crowned and Demoiselle Cranes (Klenova et al 2010(Klenova et al , 2014.…”

Section: Sexing Chicks By Voicementioning

confidence: 99%

Gender identification using acoustic analysis in birds without external sexual dimorphism

Volodin

Volodina²,

Klenova

et al. 2015

Avian Res

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Zoo and wildlife management faces a problem with bird sexing, as many bird taxa have indiscernible gender differences in size and coloration. Problematic groups are geese, cranes, rails, raptors, owls, parrots, doves, auks, shearwaters and some passerines. Commonly accepted invasive sexing techniques based on genetics, laparoscopy, morphometric and on cloacal inspection, are all needed in bird capturing and handling. Capturing and subsequent manipulations may be inapplicable for free-ranging birds, whereas distant voice-based sexing is relevant for many species. This review evaluates the potential for noninvasive sexing by separate calls or duet calls, for adult birds of 69 species from 16 orders and for chicks of 11 species from 7 orders. For adult birds of 25 species, a single call per individual was sufficient for 100 % reliable sexing by ear or using spectrographic analysis. For chicks, the potential for voice-based sexing seems to be very limited. For birds calling rarely or unpredictably, we propose a simple way of provoking vocalization using playbacks of species-specific calls that are available from sound libraries. We conclude that sexing by voice may represent a feasible alternative to the classical sexing techniques, both in the wild and in captivity.

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Section: Sexing Chicks By Voicementioning

confidence: 99%

Gender identification using acoustic analysis in birds without external sexual dimorphism

Volodin

Volodina²,

Klenova

et al. 2015

Avian Res

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“…Another study on chipping sparrows (Spizella passerina), where only males sing and learn, showed that male food begging calls become more variable than females after fledging (Liu et al, 2009). In addition, call developmental patterns, such as voice breaking in cranes following delayed vocal development patterns akin to vocal learners, are overlooked (Klenova et al, 2010(Klenova et al, , 2014(Klenova et al, , 2020. Even vocalizations long thought to be innate, with no sexual selection pressure acting on them, such as distress calls, appear to change more rapidly in vocal learners than non-learners (Moran et al, unpublished data).…”

Section: Ignoring Call Developmentmentioning

confidence: 99%

A Call to Expand Avian Vocal Development Research

Loo

Cain

2021

Front. Ecol. Evol.

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Birds are our best models to understand vocal learning – a vocal production ability guided by auditory feedback, which includes human language. Among all vocal learners, songbirds have the most diverse life histories, and some aspects of their vocal learning ability are well-known, such as the neural substrates and vocal control centers, through vocal development studies. Currently, species are classified as either vocal learners or non-learners, and a key difference between the two is the development period, extended in learners, but short in non-learners. But this clear dichotomy has been challenged by the vocal learning continuum hypothesis. One way to address this challenge is to examine both learners and canonical non-learners and determine whether their vocal development is dichotomous or falls along a continuum. However, when we examined the existing empirical data we found that surprisingly few species have their vocal development periods documented. Furthermore, we identified multiple biases within previous vocal development studies in birds, including an extremely narrow focus on (1) a few model species, (2) oscines, (3) males, and (4) songs. Consequently, these biases may have led to an incomplete and possibly erroneous conclusions regarding the nature of the relationships between vocal development patterns and vocal learning ability. Diversifying vocal development studies to include a broader range of taxa is urgently needed to advance the field of vocal learning and examine how vocal development patterns might inform our understanding of vocal learning.

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“…Regarding large cats, the vocal repertoire of calls of adult and cub cheetahs (Acinonyx jubatus) has been systematically described [36,37]. Calls of cubs of many other species have also been shown to have developmental dynamics during ontogeny [38][39][40][41][42][43][44].…”

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confidence: 99%

Behavioral-psychological motivations encoded in the vocal repertoire of captive Amur tiger (Panthera tigris altaica) cubs

Kong¹,

Liu²,

Kathait³

et al. 2022

BMC Zool

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Background The Amur tiger (Panthera tigris altaica) is the largest and one of the most endangered cats in the world. In wild and captive cats, communication is mainly dependent on olfaction. However, vocal communication also plays a key role between mother and cubs during the breeding period. How cubs express their physiological and psychological needs to their mother and companions by using acoustic signals is little known and mainly hindered by the difficult process of data collection. Here, we quantitatively summarized the vocal repertoire and behavioral contexts of captive Amur tiger cubs. The aim of the present work was to investigate the behavioral motivations of cub calls by considering influential factors of age, sex, and rearing experiences. Results The 5335 high-quality calls from 65 tiger cubs were classified into nine call types (Ar-1, Ar-2, Er, eee, Chuff, Growl, Hiss, Haer, and Roar) produced in seven behavioral contexts. Except for Er, eight of the nine call types were context-specific, related to Play (Ar-2, eee, and Roar), Isolation (Ar-1), Offensive Context (Haer, Growl, and Hiss), and a friendly context (Chuff). Conclusions The results suggest that cubs are not quiet, but instead they express rich information by emitting various call types, which are probably crucial for survival in the wild. We herein provide the first detailed spectrogram classification to indicate vocal repertoires of calls and their coding with respect to behavioral contexts in Amur tiger cubs, and we pave the steps for revealing their social communication system, which can be applied for conservation of populations. These insights can help tiger managers or keepers to improve the rearing conditions by understanding the feline cubs’ inner status and needs by monitoring their vocal information expressions and exchanges.

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Vocal development and voice breaking in Demoiselle Cranes (Anthropoides virgo)

Cited by 13 publications

References 44 publications

Gender identification using acoustic analysis in birds without external sexual dimorphism

Gender identification using acoustic analysis in birds without external sexual dimorphism

A Call to Expand Avian Vocal Development Research

Behavioral-psychological motivations encoded in the vocal repertoire of captive Amur tiger (Panthera tigris altaica) cubs

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