Are there any apes in India? Other than humans that is...

Are there any apes in India? Other than humans that is...

Stuart Blackman takes a look at India's only ape, the western hoolock gibbon

Published: September 6, 2024 at 11:19 am

Yes, but just the one species. Apes – tailless and intelligent primates – are represented in India by the western hoolock gibbon, which is found in tropical evergreen and semi- deciduous forest in the country’s north-east. It belongs to the family Hylobatidae, which translates rather nicely from the Greek as ‘one who treads the forest’.

Hoolock gibbons live in the forest canopy, where they hang and swing along at high speed using their arms (which are almost twice the length of their legs) – a mode of travel known as brachiation. Loss of forest connectivity is therefore
a significant threat, leading to isolated populations and, in turn, genetic weakness.

Adult hoolocks are one of a number of animals that mate for life and live in small family groups comprising parents and offspring in territories of 50-60 hectares, occasionally 200-400 hectares. They are known for being noisy: the forest resonates when adults ‘sing’ duets with alternating high and low notes, often joined by the youngsters in chorus, to defend their patch.

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