Click on a button to run the corresponding video clip.
| Click Button | Behaviour | Description | Locality, Date | Author |
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Play invitation | A juvenile approaches a subadult male, but the male addresses a threat at the juvenile and scratches it. After a while, the juvenile exhibits several play invitations at the subadult, until it recevies even more aggressive threats and scratches and finally jumps away. | Twycross Zoo, UK, 5-11 September 2005 | Amandine Chapelain |
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Brachiation | The infant brachiates along a bamboo pole, filmed in slow-motion. | Zürich, group 1, December 2003 | Juliane Münch & Ralph Schwarz |
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Rapid brachiation | The juvenile rapidly brachiates around. | Zürich, group 2, December 2003 | Juliane Münch & Ralph Schwarz |
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Bipedal walk | The adult female, carrying her baby, walks bipedally along a horizontal bamboo pole, filmed in slow-motion. | Zürich, group 2, December 2003 | Juliane Münch & Ralph Schwarz |
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Bipedal chase | The subadult male play-chases the infant and runs bipedally on a horizontal bamboo pole. Filmed in slow-motion. | Zürich, group 1, December 2003 | Juliane Münch & Ralph Schwarz |
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Leaping | The juvenile makes a leap, filmed in slow-motion. | Zürich, group 2, December 2003 | Juliane Münch & Ralph Schwarz |
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Infant moves | The infant, at the age of about 1 month, loosens its grip from the mothers and tries to probe its surroundings. Limb movements do not appear to be well coordinated. | Zürich, group 2, December 2003 | Juliane Münch & Ralph Schwarz |
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Suckling | The infant, at the age of about 1 month, suckles at its mothers breast. | Zürich, group 2, December 2003 | Juliane Münch & Ralph Schwarz |
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Eating leaves | The juvenile and the adult male collect and eat leaves from the plants growing in and around their cage. | Zürich, group 2, December 2003 | Juliane Münch & Ralph Schwarz |
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Fly catching | The adult female tries to catch a fly out of the air but misses. | Zürich, group 1, December 2003 | Juliane Münch & Ralph Schwarz |
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Autogrooming | The adult male removes small particles from his ischial callosities and eats them. | Zürich, group 2, December 2003 | Juliane Münch & Ralph Schwarz |
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Scratch and autogrooming | The adult male scratches his head, then starts to groom his foot. | Zürich, group 2, December 2003 | Juliane Münch & Ralph Schwarz |
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Scratch | The adult male scratches his knee. | Zürich, group 1, December 2003 | Juliane Münch & Ralph Schwarz |
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Body-shake | The juvenile shakes its body, a typical comfort behaviour in gibbons. | Zürich, group 2, December 2003 | Juliane Münch & Ralph Schwarz |
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Yawn | The adult male yawns. This behaviour is often followed by a body shake, but not in this case. | Zürich, group 2, December 2003 | Juliane Münch & Ralph Schwarz |
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Lip-protrude | The adult female repeatedly prottrudes her lips. This often occurs in relaxed situations. | Zürich, group 2, December 2003 | Juliane Münch & Ralph Schwarz |
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Allogrooming | The adult male grooms the upper leg of the female and licks small particles from her fur. | Zürich, group 2, December 2003 | Juliane Münch & Ralph Schwarz |
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Allogrooming | The adult male removes small particles from the ischial callosities of the female and eats them. | Zürich, group 2, December 2003 | Juliane Münch & Ralph Schwarz |
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Allogrooming | The adult male carefully grooms the the hands of the juvenile. | Zürich, group 2, December 2003 | Juliane Münch & Ralph Schwarz |
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Allogrooming | The adult male grooms the arm of the female. | Zürich, group 2, December 2003 | Juliane Münch & Ralph Schwarz |
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Play | The infant grapples with its mother, hanging from her feet. | Zürich, group 1, December 2003 | Juliane Münch & Ralph Schwarz |
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Play | The infant grapples with its subadult brother. | Zürich, group 1, December 2003 | Juliane Münch & Ralph Schwarz |
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Play | The juvenile play-grapples with its father. | Zürich, group 2, December 2003 | Juliane Münch & Ralph Schwarz |
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Play | The juvenile play-grapples with its father, who seems to be reluctant to join in. | Zürich, group 2, December 2003 | Juliane Münch & Ralph Schwarz |
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Open-mouth threat | The subadult male, while play-chasing the infant, gets to close to his father, who directs a moderate open-mouth threat at his son. | Zürich, group 1, December 2003 | Juliane Münch & Ralph Schwarz |
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Mock-attack | The subadult quickly approaches the cage window in apparent mock-attacks directed at the observer. | Zürich, group 2, December 2003 | Juliane Münch & Ralph Schwarz |
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Male song | A phrase from a male solo song bout, while the male is climbing around. | Zürich, group 1, December 2003 | Juliane Münch & Ralph Schwarz |
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Male song | A phrase from a male solo song bout. The male remains stationary. | Zürich, group 1, December 2003 | Juliane Münch & Ralph Schwarz |
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Male song | A phrase from a male solo song bout. The male remains stationary. | Zürich, group 1, December 2003 | Juliane Münch & Ralph Schwarz |
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Male song | A phrase from a male solo song bout, while the male is climbing around. | Zürich, group 1, December 2003 | Juliane Münch & Ralph Schwarz |
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Male song | Long phrase from solo song bout of the solitary adult male "Khmao" | Angkor Prey Zoo, Cambodia, May 2002 | Kai-Olaf Krüger |
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