Table A1.

Sources of video footage shown to sakis.

Video	Details	Link to Source
Forest clip 1	At 0:12–0:27	https://www.youtube.com/watch?v=Kb8CW3axqRE
Forest clip 2	At 13:02–13:17	https://www.youtube.com/watch?v=Kb8CW3axqRE
Underwater clip 1	Cut of 14 s	https://www.videvo.net/video/school-of-barracuda/4072/
Underwater clip 2	Cut of 18 s	https://www.pexels.com/video/a-group-of-jellyfish-swimming-underwater-at-display-in-an-aquarium-3297378/
Worms clip 1	Cut of 18 s	https://www.pexels.com/video/earthworms-burrowing-under-the-compost-soil-3046307/
Worms clip 2	At 1:18–1:21; 1:29–1:39	https://www.youtube.com/watch?v=ux3vd0zIg78
Abstract clip 1	Cut of 10 s	https://pixabay.com/videos/tunnel-wormhole-abstract-art-43781/
Abstract clip 2	Cut of 20 s	https://pixabay.com/videos/tunnel-yellow-abstract-background-12904/
Animals clip 1	Cut of 10 s	https://pixabay.com/videos/roe-deer-flock-hirsch-wildlife-park-39981/
Animals clip 2	Cut of 10 s	https://pixabay.com/videos/lemur-ape-madagascar-primates-13991/
Animals clip 3	Cut of 10 s	https://www.pexels.com/video/a-group-of-zebras-in-an-open-field-3775802/