Story
Chasing endless sunlight
The Bird of Two Summers
Every year, a small Arctic tern flies from one end of the Earth to the other and back again, farther than one full trip around the entire planet.
Habitat
Ocean wonders
Story
A tooth that senses the sea
The Unicorn of the Sea
A narwhal's long, spiraled tusk isn't a horn at all — it's actually a giant tooth, longer than a grown-up is tall, packed with nerve endings that can sense the water around it.
Story
A memory made of magnets
The Turtle's Homing Map
A sea turtle can swim thousands of miles across the ocean and still find its way back to the very beach where it hatched.
Story
A body built to heal
The Starfish's Second Chance
If a starfish loses an arm to a hungry predator, it can often grow a brand new one back.
Story
Backward grower
The Time-Traveling Jelly
One tiny jellyfish can grow younger instead of older when life gets hard, essentially reversing its own aging.
Story
Floating together
Otters Holding Hands
Sea otters often hold paws while they sleep, so ocean currents don't drift them apart from each other.
Story
One eye on watch
The Dolphin's Half-Awake Sleep
A dolphin sleeps with only half of its brain at a time, keeping one eye open to watch for danger.
Story
Ocean singer
The Whale's Long Song
A humpback whale can sing a song that travels for miles through the deep blue sea.
Story
A pouch of his own
The Seahorse Dad's Surprise
A daddy seahorse carries the eggs in a pouch on his belly and gives birth to the babies himself.
Story
Extra beats
Three Hearts, One Octopus
An octopus has three hearts, and one of them stops beating every time it swims.