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Jean-Baptiste Leca, Ph.D.

Associate Professor

Department of Psychology

University of Lethbridge

Canada


Photo Gallery

Robbing and bartering in Balinese long-tailed macaques https://jbleca1.webs.com/apps/photos/ Robbing and bartering in Balinese long-tailed macaques Local kid offering a fruit bag to a young macaque holding the eyeglasses he just stole from a temple visitor (Uluwatu) Local kid offering a fruit bag to a young macaque holding the eyeglasses he just stole from a temple visitor (Uluwatu) https://jbleca1.webs.com/apps/photos/photo?photoID=199944962 199944962 The macaques living around the Uluwaty Temple (south Bali) have become experts at robbing temple visitors of eyeglasses that they use as token (to exchange them for food) The macaques living around the Uluwaty Temple (south Bali) have become experts at robbing temple visitors of eyeglasses that they use as token (to exchange them for food) https://jbleca1.webs.com/apps/photos/photo?photoID=199944963 199944963 Stealing sunglasses from a tourist https://jbleca1.webs.com/apps/photos/photo?photoID=200619333 200619333 Stealing a flip-flop from a tourist https://jbleca1.webs.com/apps/photos/photo?photoID=200619410 200619410 Zoom-in on a bartering event https://jbleca1.webs.com/apps/photos/photo?photoID=200619456 200619456 A young macaque just stole eyeglasses from a temple visitor (Uluwatu) A young macaque just stole eyeglasses from a temple visitor (Uluwatu) https://jbleca1.webs.com/apps/photos/photo?photoID=199944969 199944969 After a few minutes spent with no offers, an adult male macaque has damaged his token (Uluwatu) After a few minutes spent with no offers, an adult male macaque has damaged his token (Uluwatu) https://jbleca1.webs.com/apps/photos/photo?photoID=199944967 199944967 After a few minutes spent with no offers, an adult male macaque has damaged his token (Uluwatu) After a few minutes spent with no offers, an adult male macaque has damaged his token (Uluwatu) https://jbleca1.webs.com/apps/photos/photo?photoID=199944965 199944965 A young macaque stole eyeglasses, received a first food reward (cracker), and is "raising the bid" for a second food reward before returning the token (Uluwatu) A young macaque stole eyeglasses, received a first food reward (cracker), and is "raising the bid" for a second food reward before returning the token (Uluwatu) https://jbleca1.webs.com/apps/photos/photo?photoID=199944964 199944964 An adult macaque stole eyeglasses from a tourist (left) and returned them in exchange for a bag of fruit - not a bank note! (Uluwatu) An adult macaque stole eyeglasses from a tourist (left) and returned them in exchange for a bag of fruit - not a bank note! (Uluwatu) https://jbleca1.webs.com/apps/photos/photo?photoID=199944966 199944966 A macaque is looking at the token (eyeglasses) stolen by another group member (Uluwatu) A macaque is looking at the token (eyeglasses) stolen by another group member (Uluwatu) https://jbleca1.webs.com/apps/photos/photo?photoID=199944968 199944968 Stealing sunglasses... for fun (?) What could have been the original motivation for robbing tourists (or temple visitors) of non-edible and non-valuable objects for the monkeys? https://jbleca1.webs.com/apps/photos/photo?photoID=200427375 200427375 "Fair game" at Uluwatu... Hundreds of tourists (or temple visitors) are daily easy targets for monkey-robbers in the Uluwatu population of Balinese long-tailed macaques https://jbleca1.webs.com/apps/photos/photo?photoID=200427378 200427378 https://jbleca1.webs.com/apps/photos/photo?photoID=206082952 206082952