Squirrel Monkey
Squirrel monkeys have one of the largest brains relative to body size of any primate.
Mammal
Striped Hyena
When threatened, the striped hyena raises a long mane along its back, making itself look much bigger.
Striped Skunk
A striped skunk can spray a foul-smelling liquid accurately at attackers several metres away, and the smell can be detected more than a kilometre downwind.
Sugar Glider
A sugar glider can glide up to about 50 metres between trees, using a thin membrane of skin stretched between its front and back legs.
Sumatran Orangutan
Sumatran orangutan mothers give birth only about once every eight or nine years, the longest gap between births of any mammal.
Sumatran Rhinoceros
The Sumatran rhino is the hairiest rhino and the closest living relative of the extinct woolly rhinoceros.
Sun Bear
The sun bear is the smallest bear in the world, and it has the longest tongue of any bear, about 20–25 cm, for reaching into bees’ nests and termite tunnels.
Sunda Pangolin
Pangolins are the only mammals covered in scales, which are made of keratin, the same material as human fingernails.
Takin
The takin is Bhutan’s national animal, and legend says a saint created it by putting a goat’s head on a cow’s skeleton.
Tasmanian Devil
For its size, the Tasmanian devil has one of the most powerful bites of any living mammal, able to crunch through bone.