Chimpanzees in sentence

140 examples of Chimpanzees in a sentence

Especially when chimpanzees, and other animals with large brains, are studied in captivity, modern technology is helping us to search for the upper levels of cognition in some of these non-human animals.

Chimpanzees, gorillas, orangutans also learn human sign language.

So that when Louis Leakey, my mentor, heard this news, he said, "Ah, we must now redefine 'man,' redefine 'tool,' or accept chimpanzees as humans."

We now know that at Gombe alone, there are nine different ways in which chimpanzees use different objects for different purposes.

What we find is that over these 40-odd years that I and others have been studying chimpanzees and the other great apes, and, as I say, other mammals with complex brains and social systems, we have found that after all, there isn't a sharp line dividing humans from the rest of the animal kingdom.

I had to leave these fascinating chimpanzees for my students and field staff to continue studying because, finding they dwindled from about two million 100 years ago to about 150,000 now, I knew I had to leave the forest to do what I could to raise awareness around the world.

Bonobos are, together with chimpanzees, your living closest relative.

Now, chimpanzees are well-known for their aggression.

While chimpanzees are dominated by big, scary guys, bonobo society is run by empowered females.

We branch off of a common ancestor to modern chimpanzees about six or eight million years ago.

We look, for example, about the fact that we share at least 95 percent of our DNA with chimpanzees.

Now it's a little bit of a surprise that to get an answer to that question, we have to go to tool use in the chimpanzees.

Now these chimpanzees are using tools, and we take that as a sign of their intelligence.

Now the reason the chimpanzees don't do that is that they lack what psychologists and anthropologists call social learning.

In fact, we could go away for a million years and come back and these chimpanzees would be doing the same thing with the same sticks for the termites and the same rocks to crack open the nuts.

Farther back is there one shared with chimpanzees.

And because these mutations happen approximately as a function of time, you can transform these differences to estimates of time, where the two humans, typically, will share a common ancestor about half a million years ago, and with the chimpanzees, it will be in the order of five million years ago.

They're as smart as chimpanzees in some respects.

To put that into perspective, this red vertical bar here marks the divergence time of humans from chimpanzees, a mere seven million years ago.

Much later, as a student, I went to a very different garden, a zoological garden in Arnhem where we keep chimpanzees.

And I discovered there that the chimpanzees are very power-hungry and wrote a book about it.

I'm not sure how well the chimpanzees read it, but they surely seemed interested in the book.

Now in the process of doing all this work on power and dominance and aggression and so on, I discovered that chimpanzees reconcile after fights.

This is a very old video from the Yerkes Primate Center, where they trained chimpanzees to cooperate.

What you have here is two young chimpanzees who have a box, and the box is too heavy for one chimp to pull in.

And we study that in our chimpanzees by presenting them with an animated head.

It's on altruism and chimpanzees, where the question is: Do chimpanzees care about the welfare of somebody else?

We do that on chimpanzees that live in Lawrenceville, in the field station of Yerkes.

In this case, we put two chimpanzees side-by-side, and one has a bucket full of tokens, and the tokens have different meanings.

It has now been done with dogs and with birds and with chimpanzees.

Related words