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Staying with the young enhances the fathers' attractiveness in burying beetles

Title data

Chemnitz, Johanna ; Bagrii, Nadiia ; Ayasse, Manfred ; Steiger, Sandra:
Staying with the young enhances the fathers' attractiveness in burying beetles.
In: Evolution. Vol. 71 (2017) Issue 4 . - pp. 985-994.
ISSN 1558-5646
DOI: https://doi.org/10.1111/evo.13194

Abstract in another language

Studying the relationship between parental and mating effort helps us to understand the evolution of parental care and, consequently, has been the subject of many theoretical and empirical investigations. Using burying beetles as a model, we found no correlation between the intensity of a sexual signal (sex pheromone quantity) and the amount of care provided by males. However, males that were given the opportunity to breed and care for young went on to produce a higher amount of their sexual signal and attracted three times more females in the field than control males that were not given the opportunity to breed. The likely explanation for our finding is that specific aspects of care in burying beetles, that is the defense and preservation of a nutrient rich breeding resource, a small vertebrate cadaver, is not only beneficial for the offspring but also for the adults themselves. Obtaining a good carrion meal possibly enables males to store resources that they can subsequently allocate toward sexual signaling. Collectively, our results highlight that conditions can exist where male participation in brood care has a positive effect on its sexual attractiveness. This in turn might have facilitated the evolution of male assistance in parental care.

Further data

Item Type: Article in a journal
Refereed: Yes
Additional notes: BAYCEER147401
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Biology > Chair Animal Ecology II - Evolutionary Animal Ecology
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Biology > Chair Animal Ecology II - Evolutionary Animal Ecology > Chair Animal Ecology II - Evolutionary Animal Ecology - Univ.-Prof. Dr. Sandra Steiger
Research Institutions
Research Institutions > Research Centres
Research Institutions > Research Centres > Bayreuth Center of Ecology and Environmental Research- BayCEER
Result of work at the UBT: No
DDC Subjects: 500 Science
Date Deposited: 08 Apr 2019 09:38
Last Modified: 08 Apr 2019 09:38
URI: https://eref.uni-bayreuth.de/id/eprint/48301