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FilenameFormatSizeDescription
ajp22250-sm-0001-Movie_S1.mp4943KMovie S1. This footage illustrates the adult female bonnet macaque—“AF5,” solving task-1a. The macaque inserts left (i.e., maneuvering) hand into the box and takes the food out.
ajp22250-sm-0002-Movie_S2.mp4498KMovie S2. This footage illustrates the adult female bonnet macaque—“AF5,” solving task-1b. The macaque opens the lid of the box with the right (i.e., supporting) hand and takes the food out with left (i.e., maneuvering) hand.
ajp22250-sm-0003-Movie_S3.mp4858KMovie S3. This footage illustrates the adult female bonnet macaque—“AF5,” solving task-2a. The macaque climbs the rod, supports the body with the right (i.e., supporting) hand, and takes the food out with left (i.e., maneuvering) hand.
ajp22250-sm-0004-Movie_S4.mp4873KMovie S4. This footage illustrates the adult female bonnet macaque—“AF5,” solving task-2b. The macaque climbs the rod, supports the body with the right (i.e., supporting) hand, opens the lid of the box with left (i.e., maneuvering) hand, shifts right hand to keep the lid open, and takes the food out with the left hand.
ajp22250-sm-0005-Movie_S5.mp43347KMovie S5. This footage illustrates the adult female bonnet macaque—“AF5,” solving task-3. The macaque uses the left (maneuvering) hand to take the food out of the box when usage of the right hand is non-ergonomic, whereas the right (supporting) hand when usage of the left hand is non-ergonomic.

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