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Open AccessFemale bonobos show social swelling by synchronizing their maximum swelling and increasing bonding
Different Old World primates show conspicuous anogenital swelling, with the Maximum Swelling Phase (MSP) signaling the ovulatory phase. MSP synchronization between females has been linked to social dynamics. I...
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Article
Open AccessAdult–adult play in captive lowland gorillas (Gorilla gorilla gorilla)
Among African great apes, play is virtually absent between adult lowland gorillas (Gorilla gorilla gorilla). Here, we report an extremely rare case of adult–adult play observed in the lowland gorilla group housed...
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Open AccessPublisher Correction: Sex and grooming as exchange commodities in female bonobos’ daily biological market
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Open AccessSex and grooming as exchange commodities in female bonobos’ daily biological market
The Biological Market Theory (BMT) posits that cooperation between non-human animals can be seen as a mutually beneficial exchange of commodities similarly to what observed in human economic markets. Positive ...
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Article
Open AccessForaging postures are a potential communicative signal in female bonobos
Body postures are essential in animal behavioural repertoires and their communicative role has been assessed in a wide array of taxa and contexts. Some body postures function as amplifiers, a class of signals tha...
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Open AccessHigh-Ranking Geladas Protect and Comfort Others After Conflicts
Post-conflict affiliation is a mechanism favored by natural selection to manage conflicts in animal groups thus avoiding group disruption. Triadic affiliation towards the victim can reduce the likelihood of re...
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Article
Emotionality and intentionality in bonobo playful communication
Great apes show very complex systems for communicating emotions and intentions. Whereas gestures are intentional signals, facial expressions can disclose both emotions and intentions. The playful context is a ...
