Oxidative status and reproductive effort of great tits in a handicapping experiment
Wegmann, Michèle ; Voegeli, Beatrice ; Richner, Heinz
In: Behavioral Ecology, 2015, vol. 26, no. 3, p. 747-754
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- Father's contribution in child care matters. Using an experimental approach, we showed that handicapped great tit fathers are more likely to reduce investment in their offspring compared with control fathers. In contrast, handicapped mothers did not reduce investment in their offspring. Furthermore, cellular stress levels differed between males and females, supporting the idea that males and females follow different lifetime strategies when it comes to the trade-off between self-maintenance and reproduction