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What the hyena's laugh tells: Sex, age, dominance and individual signature in the giggling call of Crocuta crocuta

Nicolas Mathevon, Aaron Koralek, Mary Weldele, Stephen E Glickman and Frédéric E Theunissen*

BMC Ecology 2010, 10:9  doi:10.1186/1472-6785-10-9

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