title: Social evolution: reciprocity there is.
abstract: The theory of cooperation predicts that altruism can be established by reciprocity, yet empirical evidence from nature is contentious. Increasingly though, experimental results from social vertebrates challenge the nearly exclusive explanatory power of relatedness for the evolution of cooperation.
authors.affiliation: Behavioural Ecology, Institute of Ecology and Evolution, University of Bern, Wohlenstrasse 50a, CH-3032 Hinterkappelen, Switzerland. michael.taborsky@iee.unibe.ch
authors.forename: Michael
authors.initials: M
authors.lastname: Taborsky
mesh_terms: D000533:Altruism; D000818:Animals; D002685:Chiroptera / Q000502:physiology*; D003299:Cooperative Behavior; D005247:Feeding Behavior; D005260:Female; D008297:Male; D012641:Selection, Genetic