Habitat loss and commercial hunting have been blamed for a decline in the number of sun bears - the world's smallest species of bear.An assessment by World Conservation Union (IUCN) has re-classified the animal as "vulnerable".
Experts estimate that sun bears, found in south-east Asia, have declined by at least 30% in the past 30 years.
The IUCN's bear expert groups warn that six out of the world's eight bear species are threatened with extinction.
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