Bears are generally found to be bulky and huge. The northern brown bears and polar bears are huge in size. Their large bodies can conserve heat more efficiently. A large bear such as the polar bear weighs up to 700 kilograms. The animal can grow more than 3.4 metres tall too.
However, there are small bears too. Sun bears are the smallest bear species in the world. They are only as big as a dog and weigh about 80 kilograms. Although very small, sun bears possess claws, which are very long, sharp and sickle shaped. These claws aid the animal in climbing trees, breaking branches to make temporary insect nests to reach worms and honey with ease.
Besides the sun bears, the American spectacled bear and sloth bears are smaller too, in comparison with other bear family members.
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