Singing gibbon also instrumentalist

This video says about itself:

White Handed Gibbons singing

A “married” couple of Gibbon apes singing a beautiful song with changing verses. Woman (white) sings long, siren-like tones, man (black) sings the short numerous ones. They sing this song every morning.

From the BBC:

Gibbon sings ‘door-slamming’ tune

Matt Walker
Editor, Earth News

The all singing, door-slamming female white-handed gibbon

A female gibbon has been observed enhancing her territorial song with a percussive noise.

Each time her song reached its natural climax, the gibbon slammed shut the door of her enclosure, using the loud noise it made to accentuate her call.

The gibbon used the door to create a single beat rather than a rhythm.

But her behaviour is yet another example of how smaller ape species are also capable of novel tool use, says the primatologist who witnessed it.

Thomas Geissmann is a leading expert on the conservation and behaviour of small apes, which comprise four genera of gibbon and siamang.

Yet while great apes, the gorillas, chimps and orang utans, are frequently observed to use tools both in captivity and in the wild, gibbons are rarely seen to do the same.

That was until Geissman observed a female white-handed gibbon (Hylobates lar) living with a male at Zoo Seeteufel in Studen, Switzerland.

In many gibbon species, the males call out using a series of short distinct noises that gradually become more complex. At regular intervals, females join in, singing long phrases known as ‘great calls’.

The gibbons are thought to produce these sounds to defend their territory, and they can be heard from up to 2km away in natural forest.

No other gibbons lived at the zoo with the white-handed pair, but a group of siamangs did live in an enclosure nearby.

But despite the absence of other gibbons, the pair sang regularly.

However, Geissmann soon noticed that the female would exhibit a rather unique behaviour every other time she made her great call.

Just a few seconds before she started her great call, Geissmann reports in the 5th edition of the Gibbon Journal, the female would retreat into her sleeping box, singing as she went.

She then half shut the sliding door to the wooden box.

At the climax to her call, she would then slam the sliding door shut, and after it bounced back open again, she would jump out of the box, thrashing her arms and legs in a display.

“She would go into her little sleeping box made of wood, and always at the same point of her duet song she would jump out and smash shut the sliding door, which made a bang,” says Geissman, who is based at the University of Zurich in Switzerland. …

It also bears a striking resemblance to one other example of primate behaviour recorded back in the 1960s at the Gombe study site in Tanzania.

Then chimpanzee expert Jane Goodall recorded a wild male chimp, which she called Mike, using four empty gasoline drums to make a loud noise.

Mike was a low-ranking male, and would loudly bang on the drums to enhance his threat displays to other males. It seemed to work, as Mike rose to the top of his troop without fighting any other males.

Wild orang utans have also been recorded calling through folded up leaves, which increase the intensity and frequency range of their calls, while wild capuchin monkeys have also been seen bashing stones in threat displays to rivals.

Hear the sound of the gibbon and the door here.

Gibbon ‘dating agency’ saves apes: here.

September 2010: All seven species of South East Asia’s gibbons are now facing extinction, according to world experts, who met at the 23rd congress of the International Primatological Society: here.

A new report from FFI highlights the biodiversity values and threats in Vietnam’s stunning Hoang Lien-Van Ban Nature Reserve, with a particular focus on the critically endangered western black crested gibbon: here.

You can find out more about snub-nosed monkey species on ARKive: here.

New video on @ARKive: a siamang group being released back into the wild: here.

A University of Calgary archaeologist who is one of the few researchers in the world studying the material culture of human beings’ closest living relatives – the great apes – is joining his colleagues in creating a new discipline devoted to the history of tool use in all primate species in order to better understand human evolution: here.

Apes may imitate but they struggle to innovate: here.

Cross river gorilla video: here.

12 thoughts on “Singing gibbon also instrumentalist

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