That's the common ancestor with orangutans.

It was a disaster for orangutans and people.

Chimpanzees, gorillas, orangutans also learn human sign language.

Orangutans have been observed using sticks to pry nutritious seeds from prickly.

So the first site we're going to meet is Cameron Park Zoo in Waco, with orangutans.

The apes that left at that time ended up in Southeast Asia, became the gibbons and the orangutans.

Chimpanzees and bonobos are our closest relatives, and we humans, not gorillas or orangutans, are their closest relatives.

The apes that left at that time ended up in Southeast Asia, became the gibbons and the orangutans.

They don't make milk for baby elephants... baby orangutans, baby hedgehogs, baby rabbits, baby rats, baby humans, adolescence humans or adult humans.

Hi, I'm Terri Cox with the Cameron Park Zoo in Waco, Texas, and with me I have KeraJaan and Mei, two of our Bornean orangutans.

We lost all the crops. No children gained weight for over a year they lost 12 IQ points. It was a disaster for orangutans and people.

Having more than all the orangutans in all the zoos in the world together, just now like victims for every baby, six have disappeared from the forest.

The farmers have free land, the system yields early income, the orangutans get healthy food and we can speed up ecosystem regeneration while even saving some money.

So if we want to help the orangutans what I actually set out to do we must make sure that the local people are the ones that benefit.

And all of those animals, which are all African apes the African apes are gorillas, humans, bonobos, and chimpanzees all of the African apes have a common ancestor with orangutans.

By piecing together a complex ecological puzzle, biologist Willie Smits has found a way to re grow clearcut rainforest in Borneo, saving local orangutans and creating a thrilling blueprint for restoring fragile ecosystems.

We have the zone with the sugar palms, and then we have this fence with very thorny palms to keep the orangutans that we provide with a place to live in the middle and the people apart.

We have the zone with the sugar palms, and then we have this fence with very thorny palms to keep the orangutans that we provide with a place to live in the middle and the people apart.

In Indonesia large areas of lowland forest have been cleared to increase palm oil production, and one analysis of satellite imagery concluded that during 1998 and 1999 there was a loss of 1,000 Sumatran orangutans per year in the Leuser Ecosystem alone.

In summary, if you look at it, in year one the people can sell their land to get income, but they get jobs back in the construction and the reforestation, the working with the orangutans, and they can use the waste wood to make handicraft.

In June 2008, Spain became the first country in the world to recognize the rights of some NHPs, when its parliament's cross party environmental committee urged the country to comply with GAP's recommendations, which are that chimpanzees, bonobos, orangutans, and gorillas are not be used for animal experiments.