Visitor influence on the behavior of captive greater rheas (Rhea americana, Rheidae aves).

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2012
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Visitors can affect and reduce the welfare of nonhuman animals. The Belo Horizonte Zoo, Brazil, had a group of greater rheas intended for reintroduction to the wild. Because this group received public visitation, evaluating its effect on the birds’ behavior and welfare was important. The study conducted 60 hr of behavioral observations: 30 with, and 30 without, visitors in front of the birds’ enclosure. The study, conducted April–December 2009, collected data using scan sampling with instantaneous recording of behavior every minute. The study collected data on public behavior, visitor density, and time spent observing the birds. More than 4,000 persons visited the birds’ enclosure: 9.86 s average time spent. Public behaviors most expressed were walking-watching-talking and stopped-watchingtalking; visitors or not, greater rheas’ most expressed behaviors (inversed between treatments) were foraging and walking alert; defecating/urinating and other behaviors differed statistically between treatments. Walking alert was most expressed in the presence of visitors; defecating/urinating and other behaviors were most expressed in their absence. Greater rheas seemed to habituate to visitors. Birds’ behaviors differed little in visitors’ presence or absence.
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AZEVEDO, C. S. de et al. Visitor influence on the behavior of captive greater rheas (Rhea americana, Rheidae aves). Journal of Applied Animal Welfare Science, v. 15, p. 113-125, 2012. Disponível em: <http://www.tandfonline.com/doi/full/10.1080/10888705.2012.624895>. Acesso em: 20 de jul. 2017.