NDLI: Cross-fostering mismatches parent-offspring behaviors but this does not entail costs to family life

Content Provider	Springer Nature Link
Author	Estramil, Natalia Eens, Marcel Müller, Wendt
Copyright Year	2014
Abstract	Early family life is characterized by a close interaction between parents and their offspring. This needs to be disentangled when studying the ontogeny and evolution of a given behavior—e.g. via cross-fostering. But cross-fostering may change the expression of parent and offspring behaviors as they may respond to the novel environment. Furthermore, parent and offspring traits are potentially co-adjusted and cross-fostering may, therefore, introduce a costly mismatch. To study such consequences of cross-fostering, we created an experimental group (EG) of broods raised by foster parents from day 3 onwards and a control group of broods raised by their biological parents throughout. We tested offspring begging intensity in all broods and the provisioning of the EG-parents only, both on day 3 just before cross-fostering and then again on day 5. Costs were estimated in terms of growth and survival (offspring costs) and mass of a second clutch (parental costs). Offspring begging intensity varied with age, but this change was neither affected by cross-fostering per se nor by small-scale differences in parental provisioning between biological and foster parents. Similarly, the change in parental provisioning with offspring age among the EG-parents was not affected by the difference in begging between biological and foster nestlings. This lack in behavioral plasticity in response to cross-fostering did not entail costs to neither of the parties. Our results suggest a rather predetermined pattern of behavioral expression, which may be shaped by limits and costs to plasticity and/or an (apparent) lack of costs of a behavioral mismatch.
Starting Page	1019
Ending Page	1028
Page Count	10
File Format	PDF
ISSN	03405443
Journal	Behavioral Ecology and Sociobiology
Volume Number	68
Issue Number	6
e-ISSN	14320762
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2014-04-01
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Phenotypic plasticity Environmental effects Parent-offspring conflict Maternal effects Behavioural Sciences Zoology Evolutionary Biology
Content Type	Text
Resource Type	Article
Subject	Animal Science and Zoology Ecology, Evolution, Behavior and Systematics

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