Gallery

Pendenser sits with her legs spread and her back leaning on a wall.2007.10.21

Pendenser. 2008.9.6

Pendenser. 2008.9.6

Pendenser walks while placing the fingers of her hands on the ground as far as the second joint.2007.8.19

Pendenser carries Ayumu against her abdomen while walking.2001.9.22

Pendenser carries Pal against her abdomen, and walks on two legs while supporting herself with her right hand.2004.4.3

Pendenser carries Pal against her abdomen and walks.2004.5.9

Pendenser places her hand on Cleo's back and walks behind her.2007.1.14

Pendenser. 2008.9.2

Pendenser walks on 2 legs across a rope attached to a tower. She balances herself by holding another rope with her hand.2006.4.29

Pendenser moves along while scraping her buttocks.2006.5.6

Pendenser. 2008.9.2

Pendenser slides down a wooden log on her buttocks.2006.10.29

Pendenser yawns.2007.9.2

Pendenser yawns.2007.9.2

Pendenser pulls out fur from her abdomen and puts it in her mouth.2005.10.16

Pendenser grooms the fur on her own right shoulder.2007.11.24

Pendenser turns on a water faucet, puts the faucet in her mouth, and drinks the water.2007.10.21

Pendenser holds her feces in her right hand and eats it.2007.11.24

Pendenser scratches her right leg and her left lower back.2006.11.5

Pendenser scratches above her eye with her fingers.2007.10.21

Pendenser. Ayumu.2008.9.11

Pendenser and Ai groom each other.2006.3.5

Akira approaches Pendenser and grooms the fur near her left armpit.2008.4.27

Pendenser's lifts up her buttocks and Cleo grooms the fur there.2007.9.2

Chloe grooms Pendenser's fur, and Cleo approaches them.2006.10.8

To solicit grooming, Pendenser shows her buttocks and back to Cleo.2005.9.1

When Pendenser gestures with her hand to Reiko, Reiko approaches, and Pendenser starts to groom her.2007.11.25

Behind Akira, who is standing erect, Pendenser takes the arm of Ai, who has been upset, and comforts her. 2005.11.13

Pendenser reaches her hand toward Ai, and Ai grasps it.2007.11.4

After Cleo gets in a fight, Pendenser embraces her.2006.5.6

Puchi walks behind Mari.2007.2.18

Mari sits on a bench.2007.11.24

After Popo yawns, Mari yawns.2007.12.2

On top of a tower, Mari spits out primate biscuit she had been holding in her mouth.2007.7.8

Cleo grooms the sleeping Mari's back, and puts the fur in her mouth.2006.3.5

Cleo rubs her buttocks against Mari's.2006.3.5

Cleo rubs her buttocks against Mari's.2006.4.9

Ayumu approaches Mari, gets behind her, and thrusts his pelvis against her.2006.6.10

Mari. Gon.2008.9.5

Mari and Gon are grooming each other, but Reo approaches, so Gon starts pant grunting to him. Mari gets up and leaves.2006.2.12

Pal swings a tire against Mari, who is down below.2005.12.4

Pendenser and Ai groom each other.2006.3.5

Behind Akira, who is standing erect, Pendenser takes the arm of Ai, who has been upset, and comforts her. 2005.11.13

Pendenser reaches her hand toward Ai, and Ai grasps it.2007.11.4

Ai and Akira groom each other's shoulders.2005.8.14

Akira is upset, and attacks Ai. After this, a fight starts between them (This is one type of hostile behavior).2005.10.2

Ayumu runs on both hands and both feet to where Ai is waiting in front of a door.2006.8.26

Ayumu moves around by riding on Ai's back.2001.9.22

Ai grooms the fur on Ayumu's head.2005.8.21

Ai grooms the left leg of Ayumu as he is lying down.2005.8.28

Ai grooms Ayumu's fur as he lies down and nurses.2005.8.28

Ai grooms Ayumu's ear as he nurses. 2005.11.13

Ai grooms around Ayumu's eye.2007.8.12

Ai sits on top of a tower and shivers.2006.12.17

Ai sits with her left leg folded up in front, her left arm resting on her leg, and holding her chin in her hand. 不明

Ai lies still on her right side on top of a tower.2005.9.11

Ai sleeps lying on her left side.2007.10.21

Ai lies face down on top of a tower.2005.9.19

Ai lies on her stomach on top of a tower.2007.9.30

Ai is lying down, but she notices something, and sits up.2005.8.14

Ai runs on both feet and both hands, while displaying.2005.12.11

Ai walks with her fingers on the ground to the second joint. 2005.10.30

Ai looks at the camera and yawns.2005.12.4

Ai sits on top of a tower and yawns.2007.11.4

Ai sits on top of a tower and yawns.2007.12.16

Ai takes a chestnut given to her for enrichment out of a shell and puts it in her mouth.2005.9.25

Ai tastes plants like sorrel, and spits them out.2008.5.18

Cloe and Ai notice something people are doing, and pay attention to the people. 2005.9.11

When Pal sits on an orange rubber ball, Ai tries to sit on the ball in front of her.2006.5.6

Chloe and Ai put their foreheads together and greet each other.2003.9.28

Ai rhythmically pounds a wall and throws something up towards people above.2005.10.2

Ai correctly chooses the matching kanji character when a color appears on the screen. When a kanji character appears, she can also correctly choose the matching color. The white circle is the start button.

Ai can correctly perform the task of touching the numbers on the screen in the order of increasing value. After the numbers are masked, she can remember and touch their positions in the correct order.

Pendenser carries Ayumu against her abdomen while walking.2001.9.22

Pendenser. Ayumu.2008.9.11

Ayumu makes noise by shaking a rope. Then he and Pendenser face each other and shake both arms up and down at each other.2005.11.13

Ayumu approaches Mari, gets behind her, and thrusts his pelvis against her.2006.6.10

Ayumu aproaches Reiko, then leaves.2005.10.30

While Ayumu grooms behind Reiko's right ear, Reiko grooms Ayumu's right arm.2008.6.22

Reiko extends her hand to Pal after Ayumu hits Pal.2005.12.11

Reiko pant-grunts as she nears Akira, and then Akira and Ayumu inspect her buttocks.2007.11.3

Ayumu hits Reiko's head and back. (This is one type of hostile behavior).2005.11.13

Ayumu hits Reiko's head and back. (This is one type of hostile behavior).2006.12.17

Akira and Ayumu stand up on 2 legs and look over at something in the distance.2006.2.5

Ayumu, carrying orange peel in his mouth, passes behind Akira without stopping.2006.6.10

Ayumu and Akira groom Ai' fur.2007.12.09

Akira lifts up Ayumu's left leg, and grooms it.2005.5.22

Akira starts to groom Ayumu, who has come close to him.2005.5.22

Akira grooms Ayumu.2007.10.28

Ayumu stamps his feet on a log and swings his arms in front of Akira.2005.10.30

Ayumu stands up on both legs and looks over to see the commotion in a neighboring group.2007.11.25

Ayumu.2008.9.9

Ayumu stands on all four legs on a bench made of logs, and then sits down.2006.8.27

Ayumu sits leaning against a wall, and examines his own foot.2006.10.8

Ayumu lies on his side, supporting his right arm with his left foot.2004.5.8

Ayumu lies on his left side on a bench.2005.8.28

Ayumu lies on his left side with his arm around Pal's waist.2005.8.13

Ayumu lies on his stomach on a bench.2005.5.22

Ayumu lies on his stomach on top of a tower while supporting his body with his left leg.2005.8.28

Ayumu curls up on his stomach on a bench.2005.8.28

Ayumu uses both hands and both feet to cross a steel bar.2005.8.28

Ayumu walks on his 2 feet.2007.3.18

Ayumu runs on both hands and both feet to where Ai is waiting in front of a door.2006.8.26

Ayumu runs away rhythmically on both hands and both feet.2005.8.21

Ayumu crosses a rope using both hands in the movement called ""brachiation"", which means moving by swinging with the arms from one hold to another.2001.9.16

Ayumu moves around by riding on Ai's back.2001.9.22

Ayumu.2008.9.4

After Ayumu arrives by crossing a rope using both hands, he bounces onto a bench.2006.7.23

Ayumu hangs from a rope with both hands, and then vigorously leaps off the rope.2006.10.15

After Ayumu leaps over onto a log, he leaps down to the ground.2006.10.8

Ayumu.2008.9.13

Ayumu slides down on a rope.2005.10.30

Ayumu slides backwards down a rope and a rubber rope. 2008.4.20

Ayumu climbs down a ladder.2001.9.22

Ayumu.2008.9.11

Ayumu.2008.9.13

Ayumu walks on a rope using both feet, but no hands.2007.3.11

Ayumu climbs up a rope while keeping a ball on his abdomen.2007.10.21

Ayumu.2008.9.6

Ayumu holds the two ends of a tree branch in his hands and uses his right foot to force the middle part of the branch to bend into a rounded shape. Next, supporting the branch with his right foot and left hand, he uses his right hand to bend the branch further outward.2008.3.9

Ayumu chews on a tree branch.2007.1.21

Ayumu hits a bolt at the top of the tower with the palm of his hand.2007.12.9

Ayumu rolls a log back and forth.2007.12.9

Ayumu passes his body through a rope tied into a circle.2006.9.10

Ayumu grasps a wooden bar, and wings forward on it.2006.8.19

Ayumu hangs suspended from a rope, and swings like a pendulum on it.2001.9.2

Showing his play face, Ayumu jumps onto a bed he made himself.2005.11.27

Ayumu wraps branches of Thunberg's meadowsweet around his body.2004.4.3

Ayumu places a rope and a fire hose around himself on the platform.2006.9.10

Ayumu holds a stick between his left thumb and pointer finger, and uses it to dig some contents from a log. Cleo watches this from in front of him.2006.7.30

Ayumu applies the weight of his body to break a tree branch.2006.6.10

Ayumu coughs atop the roof of the dome.2005.10.30

Ayumu fingers his erect penis.2006.1.15

Ayumu uses both hands to hold and eat a large block of solid food provided at lunchtime.2005.9.11

Ayumu eats leaves while suspended from a rope.2001.9.22

Ayumu twists a water faucet, and puts his mouth around the faucet and drinks water from it.2007.9.9

Ayumu catches his own feces in his hand and eats it.2006.1.22

Ayumu puts his own feces into his mouth, and then smears it on a wall.2007.11.4

Ayumu eats feces that he expelled.2007.9.2

Ayumu bends forward ands vomits something into his right hand.2007.12.9

Ayumu smears some vomited substance from his mouth onto a wall.2008.5.4

Ayumu licks his own vomit off a wall.2008.5.4

Ayumu sits atop a tree and urinates.2005.10.30

Ayumu sits on a log and urinates.2006.2.12

Ayumu sits on the ground and urinates.2006.10.22

Ayumu sits on a log and defecates while he urinates.2005.12.11

Ayumu makes a bed from tree branches, and lies down on it.2005.11.27

Ayumu stretches to see something in the distance.2007.2.11

Ayumu faces people who are watching him and spits.2007.12.9

Ayumu swats at an insect flying in front of his face.2006.10.29

Ai grooms the fur on Ayumu's head.2005.8.21

Ai grooms the left leg of Ayumu as he is lying down.2005.8.28

Ai grooms Ayumu's fur as he lies down and nurses.2005.8.28

Ai grooms Ayumu's ear as he nurses. 2005.11.13

Ai grooms around Ayumu's eye.2007.8.12

Ayumu shows his back to Chloe to request grooming.2006.10.22

Pal, carrying a toy, approaches Ayumu and hugs him.2005.10.2

Ayumu faces Pal and thrusts his pelvis against her.2004.12.12

After Pal thrusts her pelvis against Ayumi from behind, Ayumu goes behind Pal and thrusts his pelvis against her. (This is one type of appeasement behavior).2006.2.5

Ayumu thrusts his pelvis against Pal from behind.2001.12.27

Ayumu makes noise by vigorously swinging a rope.2005.8.14

Ayumu approaches Cleo on 2 feet, and slaps the ground with his left hand.2005.8.21

Ayumu picks up a stone and tosses it underhand.2005.9.25

Ayumu picks up a stone and tosses it underhand.2005.10.16

Ayumu throws 2 stones, one after another.2006.12.17

Ayumu breaks a tree branch into pieces and tosses them underhand.2005.12.4

While hanging suspended from a rope, Ayumu throws a tree branch.2007.1.21

Ayumu tosses a watering can.2006.7.23

Ayumu throws a gourd (that was provided for environmental enrichment) at people watching the chimpanzees.2007.11.4

Ayumu picks up a fragment of a gourd that was provided for enrichment, and swings his body on a rope and vigorously throws thows the fragment at people watching him.2007.11.4

Ayumu throws a banana peel underhand.2007.10.14

Ayumu shakes a small tree back and forth.2005.10.2

Friday, February 16, 2001, around 2:30 pm. For the first time, while Ai was engaged in an experiment using tokens as rewards, Ayumu reached to touch the computer screen and gave the correct answer. 2001.2.16

Akira approaches Pendenser and grooms the fur near her left armpit.2008.4.27

Behind Akira, who is standing erect, Pendenser takes the arm of Ai, who has been upset, and comforts her. 2005.11.13

Ayumu makes noise by shaking a rope. Then he and Pendenser face each other and shake both arms up and down at each other.2005.11.13

Pendenser waves a small tree energetically above her head.2007.3.18

Reiko vocalizes while backing away, and Akira approaches her and starts to groom her.2006.10.15

Reiko Akira.2008.9.4

Reiko pant-grunts to Akira (whose hair is standing on end) as he comes near. Then she extends her mouth toward his legs. On the left, Pal is swinging a burlap bag.2006.1.29

Reiko seems to pant-grunt to Akira when he comes near her. She holds onto a rope while she greets him.2006.10.15

Reiko pant-grunts as she nears Akira, and then Akira and Ayumu inspect her buttocks.2007.11.3

Reiko pant-grunts to Akira when he comes near her.2007.11.25

Reiko aproaches Akira and shows him her buttocks, and Akira reaches out to to touch them.2006.12.10

Akira and Ayumu stand up on 2 legs and look over at something in the distance.2006.2.5

Akira stands up and looks over at something in the distance.2006.9.7

Akira sits on top of a tower.2005.9.11

Akira sits on top of a tower and rubs his head with his hands.2007.1.21

While Akira rests lying face-up on a bench, he scratches the heel of his foot with his left hand.2005.8.28

Akira walks on both hands and both feet.2007.10.20

Akira walks on a rope using his 2 hands and his 2 feet. Partway across, he becomes slightly unbalanced.2006.10.8

Swinging his body from left to right, Akira crosses on 2 legs a rope suspended from the tower. He balances himself by holding another rope with one hand.2006.10.15

Ayumu, carrying orange peel in his mouth, passes behind Akira without stopping.2006.6.10

Akira makes a swishing sound with saliva he has collected in his mouth.2006.10.15

Akira sits on top of a tower and yawns.2007.11.4

Akira fingers his erect penis.2007.9.2

Akira puts snow in his mouth and melts it and eats it.2005.12.25

After Akira bends forward, he vomits something white into his hand. Cleo watches this.2005.10.16

Akira bends forward and vomits something white.2005.10.16

Akira bends forward and vomits something.2007.10.14

Akira urinates from the top of the tower.2006.2.19

Akira carries plants in his mouth.2006.8.19

Akira lies down and shakes his legs violently.2005.12.4

Ai and Akira groom each other's shoulders.2005.8.14

Ayumu and Akira groom Ai' fur.2007.12.09

Akira lifts up Ayumu's left leg, and grooms it.2005.5.22

Akira starts to groom Ayumu, who has come close to him.2005.5.22

Akira grooms Ayumu.2007.10.28

Cleo, who had been playing with Akira, starts grooming him.2006.10.15

Akira's fur is standing on end, because a lot of people he doesn't know are visiting. In response to Dr. Matsuzawa's voice, Akira stands up and sways from side to side.2006.10.15

Pan pant-grunts to Akira when he comes near her.2005.10.30

Pan gives a greeting call to Akira, who is lying stretched out on a bench.2005.5.1

Akira.2008.9.11

After Akira pounds on a building, he swings on a rope, and then walks along on the ground.2007.12.8

Akira is upset, and attacks Ai. After this, a fight starts between them (This is one type of hostile behavior).2005.10.2

Ayumu stamps his feet on a log and swings his arms in front of Akira.2005.10.30

Akira, his fur bristling, sits and keeps rocking from left to right.2006.10.15

Akira, his fur bristling, keeps stamping now one foot, now both feet, on the top of the tower.2006.10.15

Akira faces humans there on a tour, and pant-hoots while slapping and jumping on the tower.2006.10.15

Puchi passes behind Gon without stopping.2007.10.21

Mari. Gon.2008.9.5

Mari and Gon are grooming each other, but Reo approaches, so Gon starts pant grunting to him. Mari gets up and leaves.2006.2.12

Gon lies on his left side on a bench.2007.11.24

Gon.2008.9.5

Gon walks across a rope using all four limbs. He is heavy, so it is hard for him to balance himself.2006.2.12

Holding food with both hands and both feet, Gon eats fruit.2006.4.9

Gon defecates into his left hand, and eats his feces.2006.10.1

Gon eats feces he has defecated.2007.9.9

Gon digs in both ears with his fingers.2007.2.18

After Popo yawns, Mari yawns.2007.12.2

Popo tries to lift Pal down from a rope Pal is hanging from, but Pal's mother Pan instead takes Pal down herself, and leaves there carrying Pal against her abdomen. 2002.1.19

After Pal comes down from above, Pal's aunt Popo knuckle-walks while she carries Pal clinging to her abdomen.2002.1.19

Popo sits on top of a tower.2005.2.19

Popo curls up on her stomach.2007.11.24

Popo.2001.9.8

Popo balances while walking on 2 legs partway across a rope.2005.12.11

Popo holds a dried leaf between her fingers and twirls it.2005.11.13

Popo yawns.2007.9.2

Popo grooms the fur on her left leg.2007.10.20

Popo eats her own feces that she had defecated onto a tower.2007.10.20

Popo picks with her finger in her own feces she had defecated them, and eats them.2007.11.4

Popo jerks her body because she is bothered by something.2006.2.12

Popo chews her fingernails.2006.2.12

Pal. Popo.2001.9.8

Pal. Popo.2001.9.8

Pal. Popo.2008.9.8

Pan pant-grunts to Akira when he comes near her.2005.10.30

Pan gives a greeting call to Akira, who is lying stretched out on a bench.2005.5.1

Pal rides on Pan's back.2004.4.3

Popo tries to lift Pal down from a rope Pal is hanging from, but Pal's mother Pan instead takes Pal down herself, and leaves there carrying Pal against her abdomen. 2002.1.19

Pan lets Pal, who has slid down on a rope, cling to her abdomen as Pan walks. 2002.1.19

Pan changes her position while continuing to carry Pal in her arms.2004.4.3

Pan sits leaning against a wall with her legs folded up into the fetal position, and both arms resting on her legs.2006.2.5

Pan walks on both hands and both feet, with her fingers held on the ground to the second joint.2005.10.30

Pan walks on both hands and both feet, with her fingers held on the ground to the second joint.2006.10.15

Pan grooms the fur on her own left shoulder.2006.1.15

Pan is surprised by snow that people drop onto her from above.2005.12.25

Pan licks bamboo.2007.12.2

Pan grooms the fur on the back of Pal's head.2005.12.11

Pal grooms Pan's chin.2007.12.2

Pan embraces Pal.2007.10.7

Pendenser carries Pal against her abdomen, and walks on two legs while supporting herself with her right hand.2004.4.3

Pendenser carries Pal against her abdomen and walks.2004.5.9

Pal swings a tire against Mari, who is down below.2005.12.4

Reiko extends her hand to Pal after Ayumu hits Pal.2005.12.11

Ayumu lies on his left side with his arm around Pal's waist.2005.8.13

Pal, carrying a toy, approaches Ayumu and hugs him.2005.10.2

Ayumu faces Pal and thrusts his pelvis against her.2004.12.12

After Pal thrusts her pelvis against Ayumi from behind, Ayumu goes behind Pal and thrusts his pelvis against her. (This is one type of appeasement behavior).2006.2.5

Ayumu thrusts his pelvis against Pal from behind.2001.12.27

Pal stands up and looks at visitors who have come to observe.2006.11.5

Pal lies on her back, stretching her feet up into the air.2007.3.18

Pal walks on both arms and both feet while carrying a burlap bag on her back.2007.11.24

Using both her arms, Pal moves herself along by hanging from ropes and metal pipes.2005.10.30

Pal uses both her arms to move along some ropes.2005.9.25

Pal rides on Pan's back.2004.4.3

Popo tries to lift Pal down from a rope Pal is hanging from, but Pal's mother Pan instead takes Pal down herself, and leaves there carrying Pal against her abdomen. 2002.1.19

Pan lets Pal, who has slid down on a rope, cling to her abdomen as Pan walks. 2002.1.19

Pan changes her position while continuing to carry Pal in her arms.2004.4.3

After Pal comes down from above, Pal's aunt Popo knuckle-walks while she carries Pal clinging to her abdomen.2002.1.19

Pal.2008.9.8

Pal slides down on a wire.2005.10.30

Pushing off with both feet, Pal jumps down.2007.10.7

Carrying a tree branch in her right hand, Pal crosses a rope walking only on her 2 legs.2005.10.16

Pal moves forward on a rope using both feet and her right hand, while holding a different rope with her left hand.2006.8.13

Pal walks backwards on a rope using her 2 feet.2007.10.7

Pal inserts a wooden stick she has been holding in her right hand into a feeder, and swings the feeder by swinging that stick repeatedly from left to right.2008.3.23

Pal goes after a frog, and uses a tree branch to search for it in a pond.2005.5.22

Pal sticks a tree branch into a pond to go after koi.2005.5.22

Pal puts a burlap bag over her head.2006.1.29

Pal wears a colander on her head.2006.6.10

Cleo puts a plastic bottle in her mouth and lifts it up.2007.8.26

Pal searches among some grasses.2006.8.13

Pal peaks and pokes her finger into a hose.2005.10.10

Pal pokes a stick into a hose.2005.11.6

Pal puts a burlap bag over her head and jumps down, and then puts all her hands and feet in the bag.2006.1.29

Pal makes noise by sliding a bowl back and forth.2005.8.28

Pal grabs a live frog and holds it up.2004.6.13

Pal uses both hands to shake/beat a burlap bag, and then lies down on top of it.2006.1.29

Pal pokes her body through a tire, and swings herself back and forth by flexing her legs.2006.10.15

Pal tries to get her body into a bucket, but it tips over, and she falls out.2007.9.9

Pal, showing a play-face, does a backwards somersault atop the tower, and as a result tumbles down to a lower level.2006.1.29

Using a rope as a pivot, Pal does a backwards somersault and goes down from a tower to a lower level.2006.10.15

Pal jumps down into a tree.2001.9.15

Pal balances herself upside down on 2 ropes while leaning against a wall.2005.10.2

Pal does a somersault and slides down a pair of round wooden beams.2004.4.3

Pal spins counter-clockwise on both feet. Spinning around is something that mostly juvenile chimpanzees do, and they they do it as though tracing a small circle with their body.2005.10.2

Pal does forward and backward somersaults on the ground.2006.10.22

Pal hangs down from a rope using both feet, and swings her body.2005.10.2

Pal hangs down by twining her legs around a rope and supporting herself by holding ropes with her hands. 2004.4.18

Pal holds onto a rope and does a forward turn around it as though on a horizontal bar.2005.10.2

Pal hangs down from a rope with both hands and both feet and swings herself.2006.8.13

Pal hangs suspended from a rope and swings like a pendulum. 2006.9.10

Pal hangs suspended from a rope and swings like a pendulum. 2001.9.15

Pal brings a tree branch, and lies down on it.2004.5.2

Pal makes a bed from a rope, and lies down on it.2006.9.10

Pal stands up on a bridge attached to a wall, hits the wall, and finally jumps down off the bridge.2006.8.27

Pal pulls leaves from a tree while hanging upside down from a rope.不明

Pal pushes her feet over the mouth of a faucet from which water is gushing out.2006.7.23

Pal tamps down earth with her feet.2007.9.9

Pal yawns.2007.9.23

Cleo wrestles with Pal while holding a piece of wood clenched between her jaws.2003.7.13

Pal grooms Cleo's shoulders.2004.4.18

Pan grooms the fur on the back of Pal's head.2005.12.11

Pal grooms Pan's chin.2007.12.2

Pan embraces Pal.2007.10.7

Pal. Popo.2001.9.8

Pal. Popo.2001.9.8

Pal. Popo.2008.9.8

Pal rubs her genitals on a rope.2007.10.7

Pal tears leaves from a tree and eats them.2005.10.30

Pal eats a cicada bit by bit.2005.8.28

Puchi removes food that had been stuffed into a bamboo gourd.2007.11.25

Pal puts something in her mouth and then immediately spits it out.2006.8.13

Pal scratches her body with her hand.2006.2.5

Pal.2008.9.8

Pal.2008.9.8

Pal moves around carrying a plant on her back.2006.10.15

Pal walks while carrying a rock in one hand.2005.10.30

Pal moves around carrying a burlap bag. Ai stands up on the right.2006.1.29

Pal picks her nose and puts the contents in her mouth.2006.2.19

Pal picks something out of her ear and puts it in her mouth.2007.2.11

Using her mouth, Pal peels bark from a tree branch.2006.2.19

Pal swings a wire, and jumps from the wire to a rope, paying attention to another chimpanzee down below. 2006.4.29

Pal tosses a tree branch with an underhand throw.2005.10.16

Pal tosses 2 pieces of bamboo with underhand throws at the people filming her. She had been holding the second piece in her left armpit.2005.9.25

Chloe grooms Pendenser's fur, and Cleo approaches them.2006.10.8

Ayumu shows his back to Chloe to request grooming.2006.10.22

Cloe and Ai notice something people are doing, and pay attention to the people. 2005.9.11

Chloe and Ai put their foreheads together and greet each other.2003.9.28

While continuing to hold Cleo, Chloe shifts from a sitting position to lying down.2002.3.9

Cleo rides on Chloe's back, holding on with both ands and both feet.2002.1.19

Cleo slides down an iron beam and clambers up onto Chloe's back. Then Chloe stops moving, so Cleo jumps off.2002.1.19

Cleo rides on Chloe's back.2002.1.26

Chloe walks behind Cleo on their enclosure's climbing/walking structure.2006.8.26

Cleo comes close to Chloe, and starts to receive grooming.2007.11.4

Chloe. Cleo.2008.9.8

Chloe. Cleo.2008.9.8

Chloe yawns.2006.12.17

Grasping a tree branch with her foot to balance herself, Chloe gather grassy plants that had been thrown up onto the tree, and eats them.2006.5.6

Chloe puts her own feces into her mouth, and eats them.2007.12.23

Chloe moves around carry part of a tree in her right hand.2002.2.16

Chloe sits on top of a tower.2007.10.20

Pendenser places her hand on Cleo's back and walks behind her.2007.1.14

Pendenser's lifts up her buttocks and Cleo grooms the fur there.2007.9.2

To solicit grooming, Pendenser shows her buttocks and back to Cleo.2005.9.1

After Cleo gets in a fight, Pendenser embraces her.2006.5.6

Cleo grooms the sleeping Mari's back, and puts the fur in her mouth.2006.3.5

Cleo rubs her buttocks against Mari's.2006.3.5

Cleo rubs her buttocks against Mari's.2006.4.9

Cleo grooms Reiko's back using both hands.2007.2.11

Cleo, who had been playing with Akira, starts grooming him.2006.10.15

Ayumu approaches Cleo on 2 feet, and slaps the ground with his left hand.2005.8.21

Cleo hangs from a rope using her left hand and both feet, and eats mango.2003.7.13

Cleo is lying down, and then stretches out her hand to grasp a rope, and finally hangs suspended from the rope.2006.12.17

Cleo lies down stretched out on her back, touching her head.2005.8.14

Cleo lies stretched out on a fire hose.2004.6.20

While continuing to hold Cleo, Chloe shifts from a sitting position to lying down.2002.3.9

Cleo.2008.9.8

Cleo.2008.9.8

Cleo rides on Chloe's back, holding on with both ands and both feet.2002.1.19

Cleo slides down an iron beam and clambers up onto Chloe's back. Then Chloe stops moving, so Cleo jumps off.2002.1.19

Cleo rides on Chloe's back.2002.1.26

Chloe walks behind Cleo on their enclosure's climbing/walking structure.2006.8.26

Cleo jumps up from the ground to grab a rope, and climbs from there up onto a bench.2006.9.17

Holding fruit in her left hand, Cleo uses her right hand to slide down a rope.2006.10.8

Cleo slides down a rope. Partway down, she is stopped and held by Chloe.2002.1.26

Cleo slides down to the ground on a rope.2005.12.11

Cleo climbs a ladder, carrying a tree's leaves in her mouth.2005.10.30

Cleo climbs up using a rope and a ladder.2006.10.29

Cleo.2008.9.8

Carrying vegetables in her hands, Cleo walks across a rope on 2 legs.2005.10.2

Cleo uses both hands and both feet to move across a rope.2005.11.27

Cleo hangs from a rope using both feet and both hands.2006.10.15

Cleo climbs a rope using both feet and both hands while Gon is swinging the rope.2008.4.13

Cleo slides down an iron beam like a slide.2006.10.29

Cleo comes close to Chloe, and starts to receive grooming.2007.11.4

Cleo crushes a colored traffic cone by pressing it with her back.2007.12.23

Cleo passes her body under a wooden plank attached to the bench by a rope.2007.8.26

Cleo puts a plastic bottle in her mouth and lifts it up.不明

Cleo kicks and hits a buoy.2007.1.21

Cleo puts her hand in a pond and searches for something. Ayumu watches from behind.2005.9.18

Cleo inserts her finger into a hose, and puts the hose's contents into her mouth.2006.8.27

Cleo sits on a colander.2006.6.10

Cleo brings a branch with an insect attached, and tries to pick off the insect.2005.10.16

Cleo grabs a long blade of grass and puts it in her mouth.2006.9.17

Cleo stuffs a stone into atoy.2007.2.11

Cleo dips a leaf into water, and licks it.不明

Cleo rides in a tire, and swings it and twists it.2005.10.16

Cleo lifts up a leafy vine, and wraps it around her body.2002.3.9

With a leafy vine hanging around her neck, Cleo holds onto a rubber rope with both ands, and springs up and down.2005.10.2

Cleo changes from a position in which she is hanging down from a rope to one in which she is supporting herself upside down on her hands.2003.8.17

Cleo does a somersault, and then claps her hands against her feet.2006.7.9

Cleo does a somersault on top of a tower.2007.11.4

Cleo jumps repeatedly in one spot.2002.1.26

Cleo lies on top of a rubber rope, and then hangs down from it.2006.12.17

Cleo sits astride a rope, swinging her legs.2004.4.18

Cleo puts a bowl on her head and pounds it.2005.8.28

Cleo lies on her back and slaps her hands against her feet.2003.8.17

Cleo makes a bed from a fire hose, and lies on top of it.2004.4.18

Cleo puts her finger onto the outlet of a water fountain, and when the water shoots up high as a result of the pressure, she climbs up to a high spot and reaches out to touch the water.2004.7.4

Cleo pushes her hand over the outlet of a water faucet.不明

Cleo collects water in her mouth, and spits it out.不明

Cleo drinks water that has collected on top of a tower.2005.10.15

Cleo yawns and sticks out her tongue.2005.11.6

Cleo grooms her own right leg.2006.2.5

Cleo wrestles with Pal while holding a piece of wood clenched between her jaws.2003.7.13

Cleo clenches a stone in her groin.2005.10.16

Cleo clenches a stone in her groin.2005.10.16

Cleo.2008.9.5

Cleo soaks primate biscuit she received for lunch in water that has collected on top of a tower, and eats it.2006.10.8

While leaning on an iron beam, Cleo puts a flower in her mouth.2002.3.9

Cleo twists the handle of a water faucet, collects the water that comes out in her mouth, and drinks it.2006.7.30

Cleo.2008.9.5

Cleo spits out the skin of a piece of dried out mango.2003.7.13

Cleo eats a kudzu vine, spitting out a clump of chewed up fibers.2005.10.2

Cleo collects her own feces in her hand and eats them.2007.1.14

Cleo scratches her body with her hands.2007.8.26

Straddling 2 ropes, Cleo urinates, watching herself do it.2005.11.6

Cleo urinates into an upside down triangular traffic cone.2008.4.13

Cleo walks while holding a piece of wood in her mouth.2006.1.29

Cleo drapes a hose over her shoulder and carries plants in her mouth.2007.9.8

Cleo carries a piece of wood in her right hand.2006.12.17

Holding a ball in her right arm, Cleo slides down a rope.2007.10.21

Cleo picks up small stones with her left hand and collects them in her right hand. She is holding onto a hose with her left foot.2006.8.27

Cleo sucks on the toes of her left foot.2006.7.9

Chloe. Cleo.2008.9.8

Chloe. Cleo.2008.9.8

Pal grooms Cleo's shoulders.2004.4.18

Pal sits on top of a tower with her legs dangling down.2004.4.18