Destruction of Sound Signal Structure in a Peripheral Population (as Exemplified by the Gray Marmot Marmota baibacina)

Никольский, А. А.; Vanisova, E A

doi:10.1134/s0012496620040067

Cited by 2 publications

(2 citation statements)

References 3 publications

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“…We cannot say that the found aberrations were indications of the hybrid origin of the individual, although this cannot excluded. Recently, aberrations of the sound signal that differ from those described by us were found in the Tien Shan population of M. baibacina in the contact zone with M. caudata (Nikol'skii and Vanisova, 2020). However, the authors believe that the formation of these aberrations in the result of hybridization is unlikely.…”

Section: Phenotype and Genotype Intrapopulation Variabilitymentioning

confidence: 61%

A Study of Hybridization Between Marmota baibacina and M. sibirica in Their Secondary Contact Zone in Mongolian Altai

et al. 2021

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The role of hybridization as one of the factors of speciation in mammals has been underestimated for a long time, but now there is a lot of data on its impact in mammalian evolution. Hybridization of species often occurs in their secondary contact zones, which is a natural model for testing factors that ensure species integrity. Studies of hybrid zones are increasingly revealing the essential role of ecological and behavioral features both in initiating crossbreeding and in maintaining interspecific barriers. We studied the hybridization of two species of marmots Marmota baibacina and M. sibirica in the zone of sympatry in Mongolian Altai Mountains. We used a bioacoustic approach to determine the localization of individuals of different species and their cohabitation sites. Genetic typing with two diploid nuclear markers and one marker each of paternal and maternal lines was used to identify hybrids. Habitat preferences of marmots were studied to understand the conditions for the formation of heterospecific pairs. We found a high proportion of hybrid individuals in boulder screes where conditions for the formation of heterospecific pairs probably exist. Our data indicate the viability and fertility of F1 hybrids and their descendants. We hypothesize that the environmental preferences and behavioral features of both species of marmots are important factors that both create conditions for hybridization and limit hybrid dispersal.

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Section: Phenotype and Genotype Intrapopulation Variabilitymentioning

confidence: 61%

A Study of Hybridization Between Marmota baibacina and M. sibirica in Their Secondary Contact Zone in Mongolian Altai

et al. 2021

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“…Variation in alarm calls of Eurasian ground squirrels has been studied in the speckled ground squirrel Spermophilus suslicus [6,[17][18][19][20], yellow ground squirrel S. fulvus [6,17,19,21,22], European ground squirrel S. citellus [1][2][3]5,19,23,24], Taurus ground squirrel S. taurensis [1][2][3]23], Anatolian ground squirrel S. xanthoprymnus [3,23,25], red-cheeked ground squirrel S. erythrogenys [5], russet ground squirrel S. major [26,27], Caucasian mountain S. musicus [25], little ground squirrel S. pygmaeus [25,28], S. alaschanicus [25], Arctic ground squirrel Urocitellus parryii [25], grey marmot Marmota baibacina [29,30] and Steppe marmot Marmota bobak [31]. The basic description of the alarm calls produced by ground squirrels inhabiting the Russian and Asian area included comparative study containing the following species: Urocitellus undulatus, U. parryii, Spermophilus xanthopyrmnus, S. musicus, S. pygmaeus, S. alaschanicus, S. suslicus, S. relictus, S. citellus, S. erythrogenys, S. major, S. fulvus and S. rally [30,32].…”

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confidence: 99%

Individual-based acoustic variation of the alarm calls in the long-tailed ground squirrel

et al. 2021

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Based on their phylogenetic position, Nearctic ground squirrels are closest relatives to the long-tailed ground squirrel Urocitellus undulates even though it has Palaearctic distribution. We aimed to investigate the variability of alarm calls of the long-tailed ground squirrel to test the individual variation in alarm calls. This species is known to produce two types of alarm calls: whistle alarms and wideband calls. Although ground squirrels are a model group for the study of vocal individuality, this phenomenon has not yet been studied in a species producing two such completely different types of alarms. Most of ground squirrel species produce either whistle or wideband alarms and this species represents a unique model for testing the degree of individual variability depending on completely different acoustic structures. We analysed 269 whistle alarms produced by 13 individuals and 591 wideband alarms from 25 individuals at the western part of Lake Baikal. A discriminant function analysis (DFA) assigned 93.5% (88.9%, cross-validated result) of whistle alarms to the correct individual and 91.4% (84%) of wideband alarms. This is the first evidence of individual variation in wideband alarms compared with whistle alarms and occurrence of vocal individuality in two warning signals of a completely different acoustic structure produced by a ground squirrel.

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Destruction of Sound Signal Structure in a Peripheral Population (as Exemplified by the Gray Marmot Marmota baibacina)

Cited by 2 publications

References 3 publications

A Study of Hybridization Between Marmota baibacina and M. sibirica in Their Secondary Contact Zone in Mongolian Altai

A Study of Hybridization Between Marmota baibacina and M. sibirica in Their Secondary Contact Zone in Mongolian Altai

Individual-based acoustic variation of the alarm calls in the long-tailed ground squirrel

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