NDLI: Impact of kin odour on reproduction in zebra finches

Content Provider	Springer Nature Link
Author	Caspers, Barbara A. Gagliardo, Anna Krause, E. Tobias
Copyright Year	2015
Abstract	Although it has long been disregarded, the accumulating evidence suggests that birds use chemical cues for communication. However, the impact of olfaction on avian mate choice and its potential function in inbreeding avoidance remain unknown. We compared the mate choice and reproductive behaviour between females experimentally deprived of their sense of smell and intact control females. Each female was allowed to mate with two unfamiliar males, an unrelated male and a full brother. If olfactory cues are involved in kin recognition and/or mate choice, we expect the smelling females to reproduce with the unrelated males and the anosmic females to mate randomly with respect to relatedness. The paternity analysis revealed that the anosmic females reproduced randomly with respect to relatedness. Contrary to our expectations, the females with an intact olfactory mucosa demonstrated a decrease in reproduction; they produced significantly fewer eggs than the anosmic females, and the chicks in only one of the cages reached independence. Thus, the female’s ability to smell in the presence of the unfamiliar brother had the unexpected effect of impairing the reproductive behaviour of the females. This is the first study to report directly the critical role of olfactory signals in reproduction and its potential function in preventing maladaptive breeding attempts with kin in female songbirds.
Starting Page	1827
Ending Page	1833
Page Count	7
File Format	PDF
ISSN	03405443
Journal	Behavioral Ecology and Sociobiology
Volume Number	69
Issue Number	11
e-ISSN	14320762
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2015-09-04
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Mate choice Kin detection Inbreeding avoidance Odour profile Avian olfaction Reproductive suppression Behavioral Sciences Zoology Animal Ecology
Content Type	Text
Resource Type	Article
Subject	Animal Science and Zoology Ecology, Evolution, Behavior and Systematics

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