The socio-matrix reloaded: from hierarchy to dominance profile in wild lemurs by Ivan Norscia, Elisabetta Palagi

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When do you scratch that itch? The relative impact of different factors on scratching depends on the selection of time scale and timing by Ivan Norscia, Elisabetta Palagi

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The Season for Peace: Reconciliation in a Despotic Species (Lemur catta). by Elisabetta Palagi, Ivan Norscia

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Bonobos protect and console friends and kin. by Elisabetta Palagi, Ivan Norscia

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Yawn contagion and empathy in Homo sapiens. by Ivan Norscia, Elisabetta Palagi

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Stranger to familiar: wild strepsirhines manage xenophobia by playing. by Daniela Antonacci, Ivan Norscia, Elisabetta Palagi

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Difference in contagious yawning between susceptible men and women: why not? by Ivan Norscia, Elisa Demuru, Elisabetta Palagi

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Mating first, mating more: biological market fluctuation in a wild prosimian. by Ivan Norscia, Daniela Antonacci, Elisabetta Palagi

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She more than he: gender bias supports the empathic nature of yawn contagion in Homo sapiens by Ivan Norscia, Elisa Demuru, Elisabetta Palagi

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Yawn contagion in humans and bonobos: emotional affinity matters more than species by Elisabetta Palagi, Ivan Norscia, Elisa Demuru

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Does the Domestication Syndrome Apply to the Domestic Pig? Not Completely by Edoardo Collarini, Marika Gioia, Giada Cordoni, Ivan Norscia

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Sexual signalling in Propithecus verreauxi: male "chest badge" and female mate choice. by Stefania Dall'Olio, Ivan Norscia, Daniela Antonacci, Elisabetta Palagi

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Yawn contagion in domestic pigs (Sus scrofa) by Ivan Norscia, Elisabetta Coco, Carlo Robino, Elena Chierto, Giada Cordoni

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First evidence of yawn contagion in a wild monkey species by Alessandro Gallo, Anna Zanoli, Marta Caselli, Elisabetta Palagi, Ivan Norscia

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Sows’ Responses to Piglets in Distress: An Experimental Investigation in a Natural Setting by Edoardo Collarini, Luca Capponcelli, Andrea Pierdomenico, Ivan Norscia, Giada Cordoni

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More Than Just Kibbles: Keeper Familiarity and Food Can Affect Bonobo Behavior by Marta Caselli, Emilio Russo, Jean-Pascal Guéry, Elisa Demuru, Ivan Norscia

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Female bonobos show social swelling by synchronizing their maximum swelling and increasing bonding by Elisa Demuru, Marta Caselli, Jean-Pascal Guéry, Carole Michelet, Franck Alexieff, Ivan Norscia

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Possible fruit protein effects on primate communities in madagascar and the neotropics. by Jörg U Ganzhorn, Summer Arrigo-Nelson, Sue Boinski, An Bollen, Valentina Carrai, Abigail Derby, Giuseppe Donati, Andreas Koenig, Martin Kowalewski, Petra Lahann, Ivan Norscia, Sandra Y Polowinsky, Christoph Schwitzer, Pablo R Stevenson, Mauricio G Talebi, Chia Tan, Erin R Vogel, Patricia C Wright

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