Annual and monthly activity budgets
The yellow-tailed woolly monkeys at La Esperanza average 29.8% Feeding, 26.3% Resting, 29.0% Travelling, 2.3% in Social and 12.8% in Other activities (Fig. 2). Differences observed in annual activity budgets between age/sex classes were significant in all categories except travelling (Table 3). Significant differences observed in monthly activity budgets (Fig. 3) were Feeding, Resting and in Other behaviours (Table 4).
Figure 4 shows average diurnal time budgets. There is a significant difference from the expected value for resting (χ² = 42.1, df = 11, p < 0.001), with a peak around midday. There was significant difference from the expected value for feeding (χ² = 36.4, df = 11, p < 0.001), travelling (χ² = 37.7, df = 11, p < 0.001) and resting (χ² = 97.4, df = 11, p < 0.01) in adult males, with a peak in resting behaviour around midday and associated drop in feeding and travelling behaviours at the same time. Juveniles showed similar activity patterns to adult males with significantly different values from expected for feeding (χ² = 42.7, df = 11, p < 0.001), resting (χ² = 23.2, df = 11, p < 0.05) and travelling (χ² = 39.3, df = 11, p < 0.001). Adult female behaviour differed significantly from expected values in travelling (χ² = 40.1, df = 11, p < 0.001) and resting (χ² = 46.9, df = 11, p < 0.001), however no significant difference in feeding was found. Adult females with infants showed a significant difference from expected values in feeding (χ² = 35.6, df = 11, p < 0.001), Travelling (χ² = 37.36, df = 11, p < 0.001) and Resting (χ² = 57.6, df = 11, p < 0.001) with a decrease in feeding and travelling and associated increase in resting around midday.