Field tests reveal acoustic variation of call types in a subterranean rodent, the Northern Mole Vole Ellobius talpinus

Dymskaya, M.M.; Volodin, I.A.; Smorkatcheva, A.V.; Rudyk, A.; Volodina, E.V.

Авторы: Dymskaya M.M., Volodin I.A., Smorkatcheva A.V., Rudyk A., Volodina E.V.
Журнал: Journal of Mammalogy
Том: 106
Номер: 1
Год издания: 2025
Издательство: American Society of Mammalogists
Местоположение издательства: United States
Первая страница: 237
Последняя страница: 251
DOI: 10.1093/jmammal/gyae123
Аннотация: This study investigates acoustic variation of human-audible sonic (below 20 kHz) and human-inaudible ultrasonic (above 20 kHz) calls in a wild subterranean rodent, the Northern Mole Vole (Ellobius talpinus), under 3 call-eliciting tests conducted during captures for 1 day. The Contact-in-Tunnel Test modeled contacts of 2 individuals during digging earth in a burrow tunnel. The Restraint Test modeled restraint of an animal by a surrogate predator (human hand). The Release-to-Burrow Test modeled acoustic communication of many family members returned to their home burrow after their isolation for about 8 hours, from morning to evening. We described 8 call types: 3 sonic, 3 ultrasonic and 2 expanding from sonic to ultrasonic range of frequencies; 6 call types were described for the first time for this species. No relationship was found between acoustic parameters and proxies of body size (body mass and the width of 2 upper incisors). No sex differences were found in body size or the acoustic parameters. Different call types prevailed in different tests: wheeks and upsweeps were made during peaceful interactions; squeaks and squeals were related to animal discomfort during the Restraint Test; rasps were only made in Release-to-Burrow Tests when animals were plugging the burrow entrance; and variative calls did not show any relationship with type of test. Based on presence or absence of certain call types in the tests, we evaluate their potential communicative role, in comparison with published data on vocal repertoires of other subterranean rodents.
Добавил в систему: Володин Илья Александрович

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Field tests reveal acoustic variation of call types in a subterranean rodent, the Northern Mole Vole Ellobius talpinusстатья

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