Vol 5, Issue 2, May 2018

• Cover Page
• Inside Pages
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• Editorial: Announcing Preregistered Reports
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• Functions of pointing by humans, and dogs' responses, during dog-human play between familiar and unfamiliar players
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• Music preference in degus (Octodon degus): Analysis with Chilean folk music
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• Evaluating mood changes in response to anthropogenic noise with a response-slowing task in three species of zoo-housed primates
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• Tremulation display in male agonistic behavior of the black-eyed leaf frog (Agalychnis moreletii: Hylidae)
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• On the brink of tool use? Could object combinations during foraging in a feral Goffin's cockatoo (Cacatua goffiniana) result in tool innovations?
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• Preregistered Report: Exploring Decoy Effects on Computerized Task Preferences in Rhesus Monkeys (Macaca mulatta)
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