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Young gorillas fascinated by their reflection in the forest ignore a large group of mandrills

### Don't miss the explanation ## Ne manquez pas de lire la description en français après celle en anglais ###
In primates, conflicts occur more within the species themselves than between different species: In a gorilla family (10-12 individuals), in a group of chimpanzees (20-40 individuals) or in a horde of mandrills (50-200 individuals and even up to 900 in central Gabon), conflicts are mostly due to problems of hierarchy contestation, problems of dominance among adult males, causing fights for access to females at the time of breeding. For example, a silverback gorilla may have its authority challenged within its family by a young blackback male who is not willing to leave his natal family to create his own family. Young adolescent male chimpanzees wishing to benefit from the prerogatives of dominant males (the right to mate) or young adolescent male mandrills wishing to thrown out old dominant males in order to take over their females :
https://youtu.be/vuXm8OaHaKA
https://youtu.be/E_CYs8xZsGw
Conflicts between different species are almost inexistent. There is practically no conflict over access to food, given the abundance of plants, fruits and insects in the forest. It should be noted, however, that chimpanzees, which are also carnivores, hunt small tree-dwelling monkeys. Among the great apes of the region; gorillas and chimpanzees, (bonobos are not present), avoid meeting each other so as not to have to resolve neighbourhood conflicts.
This explains the total indifference of these two young gorillas to the presence of a horde of about fifty mandrills crossing the track 30 meters from the mirror. Their attention is focused on their reflection in this large mirror.
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Chez les primates les conflits interviennent plus au sein des espèces elles-mêmes qu’entre des espèces différentes : Dans une famille de gorilles (10-12 individus), dans un groupe de chimpanzés (20-40 individus) ou dans une horde de mandrills (50-200 individus et même jusqu’à 900 dans le centre du Gabon), majoritairement les conflits sont dus à des problèmes de contestation de hiérarchie, à des problèmes de dominations parmi les mâles adultes, donnant lieux à des combats pour l’accès aux femelles au moment de la reproduction. Ainsi un gorille dos-argenté peut voir son autorité contestée au sein de sa famille par un jeune mâle dos noir qui ne veut se résoudre à quitter sa famille natale pour créer sa propre famille. De jeunes adolescents mâles chimpanzés souhaitant profiter des prérogatives des mâles dominants (droit de procréer) ou bien de jeunes adolescents mâles mandrills souhaitant détrôner de vieux dominants pour s’approprier ses femelles.
https://youtu.be/vuXm8OaHaKA
https://youtu.be/E_CYs8xZsGw
Les conflits entre espèces différentes sont quasiment inexistants. Il n’y a pratiquement pas de conflit pour l’accès à la nourriture, compte tenu de la profusion des végétaux, des fruits et des insectes dans la forêt. Il faut quand même noter que les chimpanzés, également carnivores, chassent les petits singes arboricoles. Chez les grands singes de la région ; gorilles et chimpanzés, les bonobos n’étant pas présents, ils évitent de se rencontrer pour ne pas avoir à régler des conflits de voisinage.
Cela explique le total désintéressement de ces deux jeunes gorilles à présence d’une horde d’une cinquantaine de mandrills traversant la piste à 30 mètres du miroir. Leur attention est focalisée sur leur reflet dans ce grand miroir.

Видео Young gorillas fascinated by their reflection in the forest ignore a large group of mandrills канала Xavier HUBERT-BRIERRE
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10 января 2020 г. 22:55:55
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