“…Many studies found that behaviours which visitors perceived to be active and natural were considered positive indicators of welfare [10,16,19,35,38,41,43,46,52,54,59,62,70,77,88,[94][95][96][97][98][99][100][101][102][103][104][105]. In contrast, behaviours perceived as abnormal or inactive were thought to be negative indicators [2,16,19,38,40,41,47,61,64,71,73,95,99,104,[106][107][108].…”