Table 1.
Fission events* | Individual fissions† | Subgroup size‡ | Proportion of adult leaves§ | |||||||
Events | n | Mean | SD | n | Mean | SD | Mean | SD | Mean | SD |
Control, n = 23 | 65 | 2.826 | 2.145 | 312 | 1.079 | 0.974 | 10.043 | 3.268 | 0.697 | 0.329 |
Intergroup conflict, n = 23 | 25 | 1.089 | 1.276 | 91 | 0.365 | 0.694 | 10.304 | 3.096 | 0.257 | 0.279 |
Border patrol, n = 12 | 16 | 1.454 | 0.934 | 44 | 0.382 | 0.539 | 9.333 | 2.269 | 0.341 | 0.234 |
Intergroup encounter, n = 11 | 9 | 0.750 | 1.484 | 47 | 0.350 | 0.806 | 11.363 | 3.613 | 0.173 | 0.298 |
Adult individuals leaving the subgroup within at most 1 min were counted as having left during the same fission event.
Number of times each adult individual left the subgroup.
Subgroup size at the start of each event.
The proportion of adult individuals that left the subgroup at least once to the total adult individuals present in the subgroup.