Pan troglodytes have been pick out engaging in some super rare scavenge behavior in the wild . In Tanzania , researchers watched on as an alpha chimp appeared to snatch the trunk of a young antelope away from an bird of Jove , before eating its meat with other Pan troglodytes , clean the body down to just a skull .

The unusual reflection was made in Issa Valley in western Tanzania . This is a rich habitat that ’s home to eastern chimpanzees as well as many other species of mammalian , including predators like Leo , leopards , hyaena , and spottedwild dogs .

Chimpanzeesare primarily vegetarian , but they ’re lie with to occasionallyconsume meat from animalsthey’ve hunted down themselves . Scavenging like this , however , is very rare .

“ East African chimpanzees are endangered and this type of subsistence is very rarified . Only specific populations have been observed confrontationally scavenging , ” Sam Baker , lead study generator and bioanthropologist and University College London , recite IFLScience .

The incident unfolded in the early afternoon of October 24 , 2021 , when Baker and his field helper were following a party of nine chimpanzees . Suddenly , an alpha Pan troglodytes call Imba ran out of the thick wood into an unfastened piece of long grass , from which a crowned bird of Jove ( Stephanoaetus coronatus ) was seen flying aside .

The researchers then saw Imba with the carcass of a juvenile guib ( Tragelaphus scriptus ) , a mintage of antelope aboriginal to the area , in his mouth . The altercation was not directly observed , but the scientist believe the eagle must have just hunt the bushbuck and dropped the body as a result of Imba ’s intimidating presence .

Imba took his “ prize ” and climbed up a tree diagram to enjoy the fruit of his travail . Aware of the commotion , the rest of the grouping followed him and he promptly lost ownership of the carcase . Some tusselling broke out and other males vied for the meat , while others begged . At least four individuals were respect consuming the guib .

Eventually , Imba regain possession of the body and terminate eating it . After a few hours , all that remained was the bushbuck ’s skull .

“ The event resulted in the complete consumption of the carcase , supporting the existence of confrontational scavenging in Issa Pan troglodytes , the first record at Issa since dependance was complete in 2018 . Crucially , if we acknowledge that chimp are capable of confrontational scavenging , then previously published ‘ hunts ’ may have been scavenging unseen by human beholder who get after the effect , ” the survey authors compose .

It ’s potential this event was strictly opportunist . Alternatively , it might be part of a ethnical trait that ’s unique to the chimp of Issa .

Either way , the fascinating conduct might exuviate some lightness on how and when early humans ab initio initiate getting their hand on sum , whichmay have beena key turning point in their evolution .

As explain by the study writer , previous enquiry “ suggest confrontational scavenging provided a life-sustaining stepping - stone to hominin hunt − a conversion that would propel humans from ‘ marginal scavenger ’ , reliant on the ‘ remnant ’ of carnivores , to successful hunter - scavengers adept in aggressively batten down fleshed carcase from large predatory animal . ”

The study is published in the journalPrimates .