Golden Lion Tamarin

The Golden Lion Tamarin (Leontopithecus rosalia) is an endangered mammal in the Callitrichidae family of small monkeys. It is also known as the Golden Marmoset. 

The Golden Lion Tamarin has bright reddish-orange fur with a mane around its face and ears. Its face is dark and hairless. It has elongated hands and fingers, with claw-like nails which enable it to cling to tree trunks. 

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Siamang

The Siamang (Symphalangus syndactylus) is an arboreal gibbon, native to Indonesia, Malaysia, and Thailand.

The Siamang has long, black, shaggy fur. Its face is hairless, except for a thin moustache. It has very long arms. Syndactylus means ‘united finger’ because the first two digits on each foot are partially joined by a piece of skin. It has a large gular sac, which is a throat pouch. The throat pouch inflates to a large balloon-shape, enabling it to make loud vocal sounds.

It can grow to 90 centimetres (36 inches) tall, which is twice the size of other gibbons, making it the largest of all gibbons.

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