Sentences with phrase «orangutans than chimps»
A new study has theorized that human beings are more closely related to orangutans than chimps.
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23 She also notes that in her studies gorillas give clearer evidence of deception than do chimps or orangutans.
The list of probable cultural traits is not as long as that for chimpanzees, but orangutans» tendency to interact with their neighbors less than chimps do made the pattern of learning even clearer.
Orangutans» new status as cultural animals was unexpected because typically they are less social than chimps and so, researchers believed, they would have fewer chances to learn from one another.
After taking body size into account, they found that humans averaged about 400 more calories per day than chimps and bonobos — 635 calories more than gorillas and 820 calories more than orangutans.
This allowed them to compare the level of expression of more than 1,000 genes between humans, chimps, orangutans and rhesus macaques — representing about 70 million years of evolution.