Cultural transmission of tool use in bottlenose dolphins. Export

@article{citeulike:295966, abstract = {In Shark Bay, wild bottlenose dolphins (Tursiops sp.) apparently use marine sponges as foraging tools. We demonstrate that genetic and ecological explanations for this behavior are inadequate; thus, "sponging" classifies as the first case of an existing material culture in a marine mammal species. Using mitochondrial DNA analyses, we show that sponging shows an almost exclusive vertical social transmission within a single matriline from mother to female offspring. Moreover, significant genetic relatedness among all adult spongers at the nuclear level indicates very recent coancestry, suggesting that all spongers are descendents of one recent "Sponging Eve." Unlike in apes, tool use in this population is almost exclusively limited to a single matriline that is part of a large albeit open social network of frequently interacting individuals, adding a new dimension to charting cultural phenomena among animals.}, address = {School of Biological, Earth, and Environmental Sciences, University of New South Wales, Sydney NSW 2052, Australia. michael.kruetzen@aim.unizh.ch}, author = {Kr\"{u}tzen, M. and Mann, J. and Heithaus, M. R. and Connor, R. C. and Bejder, L. and Sherwin, W. B.}, citeulike-article-id = {295966}, citeulike-linkout-0 = {http://dx.doi.org/10.1073/pnas.0500232102}, citeulike-linkout-1 = {http://www.pnas.org/cgi/content/abstract/102/25/8939}, citeulike-linkout-2 = {http://view.ncbi.nlm.nih.gov/pubmed/15947077}, citeulike-linkout-3 = {http://www.hubmed.org/display.cgi?uids=15947077}, citeulike-linkout-4 = {http://www.monkeymiadolphins.org/Pdf/Kruetzen%20et%20al%202005.pdf}, day = {21}, doi = {10.1073/pnas.0500232102}, issn = {0027-8424}, journal = {Proc Natl Acad Sci U S A}, keywords = {aminal, cognition, culture, dolphins, sociocognitive, tool, use}, month = {June}, number = {25}, pages = {8939--8943}, posted-at = {2005-11-29 00:02:27}, priority = {2}, title = {Cultural transmission of tool use in bottlenose dolphins.}, url = {http://dx.doi.org/10.1073/pnas.0500232102}, volume = {102}, year = {2005} }

TY - JOUR ID - citeulike:295966 L3 - citeulike-article-id:295966 N2 - In Shark Bay, wild bottlenose dolphins (Tursiops sp.) apparently use marine sponges as foraging tools. We demonstrate that genetic and ecological explanations for this behavior are inadequate; thus, "sponging" classifies as the first case of an existing material culture in a marine mammal species. Using mitochondrial DNA analyses, we show that sponging shows an almost exclusive vertical social transmission within a single matriline from mother to female offspring. Moreover, significant genetic relatedness among all adult spongers at the nuclear level indicates very recent coancestry, suggesting that all spongers are descendents of one recent "Sponging Eve." Unlike in apes, tool use in this population is almost exclusively limited to a single matriline that is part of a large albeit open social network of frequently interacting individuals, adding a new dimension to charting cultural phenomena among animals. IS - 25 JF - Proc Natl Acad Sci U S A SN - 0027-8424 AD - School of Biological, Earth, and Environmental Sciences, University of New South Wales, Sydney NSW 2052, Australia. michael.kruetzen@aim.unizh.ch EP - 8943 TI - Cultural transmission of tool use in bottlenose dolphins. VL - 102 SP - 8939 KW - aminal KW - cognition KW - culture KW - dolphins KW - sociocognitive KW - tool KW - use AU - Krützen, M AU - Mann, J AU - Heithaus, MR AU - Connor, RC AU - Bejder, L AU - Sherwin, WB PY - 2005/06/21/ UR - http://dx.doi.org/10.1073/pnas.0500232102 ER -