

Ocean singer
The Whale's Long Song
A humpback whale can sing a song that travels for miles through the deep blue sea.
Animal group


Ocean singer
A humpback whale can sing a song that travels for miles through the deep blue sea.


Nature's engineer
A beaver can chew through a tree trunk in one night and use it to dam a stream into its own private pond.


One eye on watch
A dolphin sleeps with only half of its brain at a time, keeping one eye open to watch for danger.


Sound seeing
A bat sings tiny songs too high-pitched for human ears, then listens to the echoes to find its way through the dark.


Accidental gardener
A squirrel buries hundreds of acorns every autumn, but forgets where it hid quite a few of them by the time spring comes.


A garden in the fur
A sloth moves so slowly that tiny algae grow right in its shaggy fur, turning it a soft mossy green.


Standing dreamer
A giraffe may sleep for only a few minutes at a time, adding up to less than an hour of rest a day.


A tooth that senses the sea
A narwhal's long, spiraled tusk isn't a horn at all â it's actually a giant tooth, longer than a grown-up is tall, packed with nerve endings that can sense the water around it.


Floating together
Sea otters often hold paws while they sleep, so ocean currents don't drift them apart from each other.


Memory keeper
The oldest elephant in a herd remembers the way to water holes that only she has ever visited.


Hidden warmth
Under all that white fur, a polar bear's skin is actually jet black.


A pocket-sized start
A newborn kangaroo is smaller than a jellybean and must crawl, blind and alone, straight up into its mother's pouch.