6 Minute English - Why do gibbons sing duets

Hi there, Neil. Have you ever had a closing count of monkey or an ape?

I'm sitting next to you, Rob.

Very funny. No, merely of the facts of the all humans are descended from apes. An ape, monkeys, belong to a group of animal called primates. The differences is monkey has tail and apes don't.

Well, I don't know that. On the serious note, I had a close shave with monkey once in Balley.

A close shave is where you only just mange to avoid a danger situation. So Neil, what happened?

I was walking on the mountain on my own. And suddenly a bunch of monkeys jump out of no where, blocking my path.

Oh goodness. OK so what do you do?

After standing there for ages, the monkeys scratch. I turn round and walk back as I can.

If you scratch someone it means make a loud, high and unpleasant sound. So the monkey one that  face of them.

Absolutely  yes they did. And a face off by the way means an argument or fight.

Well, today's show is about gibbons and the different sounds they make. Gibbons are small apes live in south east Asia. And when Neil monkeys scratch unpleasantly,  gibbons sound like they are singing.

Musical apes? That's nice. So how about today's quiz question Rob?

OK good idea. How far can a gibbon's voice travel through a forest? Is it
a) 500 meters
b) 1 kilo meter
c) 5 kilo meters.

Well, I have to guess. And I'm going to say b) 1 kilo meter.

You never heard one. OK we'll find out later in the programme whether you are right or wrong. Now let's listen to what a gibbon really sound like.

Let's hear this. That's is wonderful, isn't it. Beautiful sound. What are they doing that then? That's quite say talking to each other. That's they are singing together. So a male and female when they hold each other, or sing every morning.  Absolutely I know all .. sing together  at the same time when whole far should be alive.

So the gibbons may provocative sound. If something is provocative, it brings strong feeling and all memory to mind.

And something that is provocative usually pleasant, Rob.

That's it. And what's also interesting is that the apes are singing in pair. One male and one female. They are singing dative together. So deductive is a song sang by two people or in this case sang by two gibbons.

And a lot of gibbons are singing duative at the same time, which Dr.XXX describes as a cacophony. Cacophony means mixes of a lot of noises with often sound out of tune.

And that could easily described but singing together.

That's not. Let's not do that. But what's the reason for the gibbon dulate, Neil?

Well, sound appetizer the relationship between male and female and they also make clear which territory or bit of land belongs to a pair or  groups of gibbons.

Gibbons also use different sounds to alert or warn other gibbons about  danger from predators. These animals that eat animals. The gibbons require whoo whoo called communicate that lapper nearby. And even quitter  whoo whoo for eagle.

You are very good at that, Rob. Let's hear more from Dr.XXXX about this. How does he describe  language.

Yes, the idea is that we found things like context specific calling in non-human primates. And suggest that way backing time the ancestors we share with them also have context specific calling. So in basic just give some clues to the evolutionary route or complex XXX language.

Dr.XXX says we go far enough back in time human and other primates such as monkeys and apes had the same ancestor. And ancestor means animal or human from the past and the modern animal and the human has descended from.  So if the common ancestor use context specific calls like modern gibbons then they could pass on the ability to human a long time ago.

Context specific calling means different calls for different situations. For example one call for lapper and another for eagle.

And evolutionary means a gradual process of change or development.

Well, let's have the answer to the quiz question. Earlier I asked how far can a gibbon's voice travel through a forest.

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