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Olfactory and ultrasonic communication in bank voles

Marchlewska-Koj A.

Polish Journal of Ecology

2000

Vol. 48, Suppl.

11-20

Bank vole is one of these species of mammals whose social interaction depends mainly on exchange of olfactory and acoustic/ultrasonic signals. Signalling pheromones serve for communication between the same sex, or male and female. Priming pheromones modify hormonal activity of bank voles. Ultrasonic vocalisation is a second factor which takes part in communication between conspecifics. Males produce ultrasounds in presence of adult females. Newborn voles vocalize at high frequency when isolated from their mother. Ultrasonic vocalization of pups decreases in the presence of nest. This suggest that home chemosignals lower the stress evoked by isolation from mother.