The role of genetic relatedness among social mates in a cooperative breeder

K.A. Stiver, J.L. Fitzpatrick, J.K. Desjardins, B.D. Neff, J.S. Quinn, and S. Balshine Department of Ecology and Evolutionary Biology, Osborn Memorial Laboratories, 165 Prospect Street, Yale University, New Haven, CT 06520-8106, USA, Department of Biology, McMaster University, Hamilton, Ontario, Canada L8S 4K1, Department of Biology, Stanford University, Stanford, CA 94305-5020, USA, Department of Biology, University of Western Ontario, London, Ontario, Canada N6A 5B7, and Department of Psychology, Neuroscience and Behaviour, McMaster University, Hamilton, Ontario, Canada L8S 4K1