"This airplane game is something that humans do with their infants, and chimpanzee mothers do also," he added.
While a chimpanzee can easily escape a leopard by climbing a tree, a dolphin has nowhere to swim from a shark.
Hungry refugees displaced by the two-year civil war in neighboring Congo and forced to eat small apes threaten to wipe out the chimpanzee population in western Uganda, a conservationist said Thursday.
In these studies, they put a chimpanzee in a room and there's a lever.
The chimpanzee, given the promiscuity of his species, has developed powerful gonads to make sure any offspring is his own.
One protein is ineffective against the chimpanzee virus, whereas the second does not vary enough between humans and chimpanzees to have made a difference, Bieniasz says.
And in the other room another chimpanzee is placed.
However, the copper transporter cannot explain why chimpanzee ancestors were infected with the virus while humans' early relations were spared.
Although researchers have extensively studied chimpanzee memory in the past, the general assumption has been that it is inferior to that of humans, as with many other mental functions.
Ardi's upper canine teeth are more similar to stubby human teeth than sharp chimpanzee teeth.
Gorilla is bigger than chimpanzee.
Though this had been suspected, nobody dreamed that a chimpanzee would attack an animal as large as a young bushbuck, until I saw an ape with his kill.
Female chimpanzees are very promiscuous, so the male chimpanzee has testicles ten times the size of those of gorillas, who largely enjoy monogamous relationships with their partners.
It was, if I can give a chimpanzee language, I can empty the contents of his mind. He can tell me what he's thinking, how he sees the world.
One important difference between a chimpanzee and human, is their skeletal muscle structure.
A South African zoo wants a chimpanzee to quit smoking cold turkey.
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