Function of pipistrelle social calls: field data and a playback experiment
Article Abstract:
The function of social calls produced by feeding bats of two phonic types of Pipistrellus pipistrellus was investigated by analyzing data gathered from a foraging site and by playback experiments. Results indicated that social calls are used to repel, rather than to invite, other bats of the same phonic types when food source is scarce. Moreover, results suggested that there is resource partitioning between phonic types because there is no evidence of communication between them.
Publication Name: Animal Behaviour
Subject: Zoology and wildlife conservation
ISSN: 0003-3472
Year: 1997
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Why do female Gunnison's prairie dogs copulate with more than one male?
Article Abstract:
Multiple mating improves the reproductive success in Gunnison's prairie dogs, Cynomys gunnisoni. At the conclusion of a seven-year investigation, it was determined that females who copulated less than three times with different partners had only a 92% chance of pregnancy and parturition. On the other hand, females who copulated at least three times had a 100% probability of breeding successfully.
Publication Name: Animal Behaviour
Subject: Zoology and wildlife conservation
ISSN: 0003-3472
Year: 1998
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