Unusual use of two types of alarm call by the long-tailed ground squirrel (Spermophilus undulatus, Rodentia, Sciuridae)

Alarm call of long-tailed ground squirrel (Spermophilus undulatus (Pallas 1778)) was tape recorded in the field and its time-frequency characteristics were analyzed. It is known there are two types of signal, the first one is a short (0.05-0.08 s) broad frequency chat while another is a longer (0.13 s) descending narrow frequency whistle. Previously, it was thought that two signals are discrete and reflect the nature of hazard: broad frequency chat is given upon the approach of a ground predator and narrow frequency whistle is given upon the approach of an aerial predator (Nikolski, Wallschlager, 1982). Further observations showed that both types of signal could be issued upon both ground and aerial predators. Stimuli that cause applying of some type of signal remains unclear.

Авторы
Komarova S.E. 1 , Formozov N.A.2 , Brandler O.V.3 , Nikol'skii A.A. 1
Журнал
Номер выпуска
7
Язык
Русский
Страницы
901-905
Статус
Опубликовано
Том
93
Год
2014
Организации
  • 1 Peoples' Friendship University, Moscow, 113093, Russian Federation
  • 2 Lomonosov Moscow State University, Moscow, 119234, Russian Federation
  • 3 Koltsov Institute of Developmental Biology, Russian Academy of Sciences, Moscow, 119334, Russian Federation
Ключевые слова
Alarm call; Long-tailed ground squirrel; Spermophilus undulatus
Дата создания
19.10.2018
Дата изменения
19.10.2018
Постоянная ссылка
https://repository.rudn.ru/ru/records/article/record/5049/