Table 2.

Data classification

Category	Classification
1	Age–sex: adult/subadult male (n = 4), adult female (n = 3), adolescent male/female (n = 3)
2	Locomotion (after 11): quadrupedal walk (torso is pronograde; all limbs contact the support in a symmetrical or unpatterned sequence); bipedal walk (hindlimbs provide support and propulsion; includes hand-assisted bipedalism); vertical climb; vertical descent; torso-orthograde suspension (forelimb-dominated suspension; sequence is mostly unpatterned); torso-pronograde suspension (all limbs used in symmetrical or unpatterned sequence; torso is pronograde, and limbs are in tension); sway (oscillation of flexible supports to cross gaps); drop; bridge (torso-pronograde, unpatterned, gap crossing movement with limbs in compression, suspension, or both).
3	Direction of locomotion: horizontal; ± angled; ± vertical
4	Height: 10-m interval to 40 m, >40 m (vertical distance from the animal to the ground)
5	Number of supports: 1; 2; 3; 4; >4*
6	Weight-bearing support (WBS) angle: horizontal (±20° horizontal); angled (±21–70° horizontal); vertical (±20° vertical); U-shaped; deforms heavily under animal's body mass
7	WBS type: trunk; bough (originates from trunk); branch (originates from bough or branch); liana
8	WBS diameter: <2 cm; ≥2 to <4 cm; ≥4 to <10 cm; ≥10 to <20 cm; ≥20 to <40 cm; ≥40 cm
9	Behavior: feed; travel

*Not included in the analysis because we were unable to record support characteristics when >4 supports were used per bout.