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Chimpanzee and bonobo males A comparison of chimpanzees' and bonobos' performance on various cognitive tests [145] In 2020, the first whole-genome comparison between chimpanzees and bonobos was published and showed genomic aspects that may underlie or have resulted from their divergence and behavioral differences , including selection for genes ...
The chimpanzee–human last common ancestor (CHLCA) is the last common ancestor shared by the extant Homo (human) and Pan (chimpanzee and bonobo) genera of Hominini.Estimates of the divergence date vary widely from thirteen to five million years ago.
These countries have ruled that chimpanzees, bonobos, gorillas and orangutans are so cognitively similar to humans that using them as test subjects is unethical. [2] [3] Austria is the only country in the world to have completely banned experiments on all apes, including both the great apes and the lesser apes, commonly known as gibbons. [4]
In a multi-species study, it was shown that chimpanzees, bonobos and orangutans passed the False Belief Test (see above). [ 25 ] In 2009, a summary of the ToM research, particularly emphasising an extensive comparison of humans, chimpanzees and orang-utans, [ 28 ] concluded that great apes do not exhibit understanding of human referential ...
The Chimpanzee Genome Project was an effort to determine the DNA sequence of the chimpanzee genome. Sequencing began in 2005 and by 2013 twenty-four individual chimpanzees had been sequenced. This project was folded into the Great Ape Genome Project. [1] Two juvenile central chimpanzees, the nominate subspecies
Biologists classify humans, along with only a few other species, as great apes (species in the family Hominidae).The living Hominidae include two distinct species of chimpanzee (the bonobo, Pan paniscus, and the chimpanzee, Pan troglodytes), two species of gorilla (the western gorilla, Gorilla gorilla, and the eastern gorilla, Gorilla graueri), and two species of orangutan (the Bornean ...
Bonobos frequently have sex, sometimes to help prevent and resolve conflicts. Different groups of chimpanzees also have different cultural behaviour with preferences for types of tools. [53] The common chimpanzee tends to display greater aggression than does the bonobo. [54] The average captive chimpanzee sleeps 9 hours and 42 minutes per day. [55]
Brian Hare (born 1976) is a professor of evolutionary anthropology at Duke University. [1] He researches the evolution of cognition by studying both humans, our close relatives the primates (especially bonobos and chimpanzees), and species whose cognition converged with our own (primarily domestic dogs).