Vol 2, Issue 2, May 2015

• Cover Page
• Inside Pages
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• Developing a Catalog of Socio-Sexual Behaviors of Beluga Whales (Delphinapterus leucas) in the Care of Humans
  Heather M. Hill, Sarah Dietrich, Deirdre Yeater, Mariyah McKinnon, Malin Miller, Steve Aibel, and Al Dove
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• How do Common Otters (Lutra lutra, Linnaeus 1758) Interact? Behavioral Study on a Pair of Otters in Captivity
  Olga M. Azevedo, Ana M. Correia, Ana I. Magalhães, and Liliana M. de Sousa
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• Dialects in Animals: Evidence, Development and Potential Functions
  Laurence Henry, Stéphanie Barbu, Alban Lemasson, and Martine Hausberger
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• Animal Welfare: Could Adult Play be a False Friend?
  Catherine Blois-Heulin, Céline Rochais, Sandrine Camus, Carole Fureix, Alban Lemasson, Christophe Lunel, Erwan Bézard, and Martine Hausberger
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• UV Deprivation Influences Social UV Preference in Juvenile Sticklebacks
  Ricarda Modarressie, Christian Günther, and Theo C. M. Bakker
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