“…This important area of work includes many more studies than those reviewed here (e.g. There has also been considerable debate regarding the effect of zoo visitors on animal behavior and welfare, with some studies reporting neutral or positive effects and others reporting behavior indicative of increased stress (Claxton, 2011;Davey, 2007;Farrand, Hosey, & Buchanan-Smith, 2014;Fernandez, Tamborski, Pickens, Timberlake, 2009;Hosey, 2000Hosey, , 2005Kuhar, 2008;Ross, Londsdorf, Stoinski, 2007;Smith & Kuhar, 2010;Stoinski, Jaicks, Drayton, 2012;Wells, 2005). Davey (2007) suggested that more study is needed before strong conclusions may be drawn, and called on zoo staff to monitor stress indicators in animals as a means of assessing visitor effects at specific exhibits.…”