Kin and social relationships in splendid fairy-wrens: recognition by song in a cooperative bird |
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| Institution: | 1. Museum of Zoology, The University of Michigan, Ann Arbor, Michigan 48109, U.S.A.;2. Department of Biology, The University of Michigan, Ann Arbor, Michigan 48109, U.S.A.;2. CSIRO Division of Wildlife and Rangelands Research, LMB 4, Midland, W.A. 6056, Australia;1. Department of Biology, University of Ottawa, Ottawa, ON, Canada;2. 1063 Oxtongue Lake Road, Dwight, ON, Canada;3. Department of Integrative Biology, University of Guelph, Guelph, ON, Canada;1. School of Materials Science and Engineering, Sun Yat-sen University, Guangzhou 510006, China;2. Institute for Solar Energy Systems, Guangdong Provincial Key Laboratory of Photovoltaic Technology, School of Physics, Sun Yat-sen University, Guangzhou 510006, China;1. Department of Psychology, Memorial University of Newfoundland, St John''s, NL, Canada;2. Department of Biology, Queen''s University, Kingston, ON, Canada;3. Department of Biological Sciences, University of Windsor, Windsor, ON, Canada;1. Department of Biology, University of North Carolina, Chapel Hill, NC, U.S.A.;2. College of Veterinary Medicine, North Carolina State University, Raleigh, NC, U.S.A.;3. Department of Animal Sciences, Purdue University, West Lafayette, IN, U.S.A.;1. The Australian National University, Division of Ecology, Evolution and Genetic, Research School of Biology, Building 44 Daley Road, Acton, Canberra, ACT 2601, Australia;2. University of Auckland, School of Biological Sciences, Auckland 1010, New Zealand |
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| Abstract: | Cooperatively breeding splendid fairy-wren,s Malurus splendens, were tested with songs recorded from individuals of known social and kin relationships. Both males and females sang and responded aggressively to songs of wrens from other social groups. Wrens responded similarly to songs of non-kin and songs of close kin in the absence of social familiarity with them. Breeding females responded more intensely to songs of helpers from other groups than to songs of helpers in their own group. The songs of male and female helpers elicited similar responses by breeding females. The response to other females may be associated with competition for breeding status and helpers. Two females sometimes breed in social groups with two older females; no interference was observed. Song may allow individuals to recognize other wrens in their group and to direct their behaviour towards non-dispersing relatives by location and social familiarity rather than by kinship identifiers. |
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