Sloths spend 80% of their lives asleep.
The embryos of tiger sharks fight each other while in their mother's womb.
The survivor is the baby shark that is born.
Dolphins sleep at night just below the surface of the water. They frequently
rise to the surface for air.
Sperm whales can descend to about 10,000 feet when they are searching for
food.
An albatross can sleep while it flies. It apparently dozes while cruising at
25 mph.
The hummingbird is the only bird that can fly straight up, backward, and
upside down
Baby hedgehogs are called urchins.
The polar bear is one of the world's few all-white animals. Only its eyes,
nose pad, and lips are black; although beneath its white fur, its skin is
also black.
A chamaeleon can move its eyes in two directions at the same time.
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