Table 1.

Grouped behavioral contexts and environmental conditions

Social contexts
Affiliative	Affiliative touch; buddy walk; embrace; follow; give food; give; share food; grooming; hold genitals (also scrotum); hold hand; interfere; support; kiss; offer arm; reach hand; finger/hand in mouth; head nod; peering; sit together
Sexual	Mount; copulate; present; lead; leap bipedal on the spot; dart; inspect genitals; press teeth against back; sociosexual behavior
Social play	Play in rough and tumble; play socially with object; play walk; play-bite; rough play; tag; tickle; roll; play push; play slap
Aggressive	Aggression with attack; charge/chase; club; directed display; displacement; retaliate; shield; steal/take; tease; threat; throw at.
Submissive	Arm present*; avoid/yield; beg; bend away; bent wrist*; distress; flee; retreat; roll; rump present; submissive approach
Neutral	Approach; glance; move away; neutral contact; pass by
Environmental conditions
Neutral	No-feeding.
Anticipation	Caretaker presence; anticipation for: feeding, changing enclosure.
Feeding	Feeding, feeding hand-given, feeding hand-given through door; feeding and caretaker presence.
Enclosure swap (non-feeding)	Changing enclosure without feeding; changing enclosure and caretaker presence without feeding.
Enclosure swap (feeding)	Changing enclosure with feeding; changing enclosure and caretaker presence with feeding.

References: (Cronin et al., 2015; Goodall, 1986; Hobaiter & Byrne, 2011; Nishida et al., 1999; Palagi, 2008; Parr et al., 2005; Pollick & De Waal, 2007; Van Hooff, 1973)

Difference between anticipation for food and caretaker presence is that caretaker presence meant no food involved after they had left again (e.g., busy in the kitchen without resulting in the chimpanzees getting food). *Depending on the context beforehand