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Creatures that shouldn't exist

Glass frogs, immortal jellyfish, and shrimp that punch faster than bullets.

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Butterflies Taste With Their Feet
Weird Animals

Butterflies Taste With Their Feet

A butterfly must step on its food before it knows if the meal is worth eating.

The Salty Tears of a Crocodile's Tongue
Weird Animals

The Salty Tears of a Crocodile's Tongue

Saltwater crocodiles don't just cry to be dramatic; they host high-powered filtration factories right on their tongues.

The Bird That Forges Eggs and Mimics Hawks
Weird Animals

The Bird That Forges Eggs and Mimics Hawks

Common cuckoos hijack nests by forging perfectly matched eggs and terrifying host birds into fleeing.

The Land Crustacean Carrying Its Own Ocean
Weird Animals

The Land Crustacean Carrying Its Own Ocean

The woodlouse living in your garden isn't a bug; it is a crustacean that breathes through gills like a shrimp.

The Animal That Never Truly Goes to Sleep
Weird Animals

The Animal That Never Truly Goes to Sleep

Dolphins survive by shutting down only half of their brain at a time, keeping one eye open for sharks.

The Jet Black Skin Hiding Beneath White Fur
Weird Animals

The Jet Black Skin Hiding Beneath White Fur

Underneath all that thick white camouflage, polar bears are actually jet black from head to toe.

The Alien Blood That Keeps Humans Alive
Weird Animals

The Alien Blood That Keeps Humans Alive

Horseshoe crabs have bright blue blood that is used to test every vaccine on the planet.

The Only Animal with Square Plumbing
Weird Animals

The Only Animal with Square Plumbing

Wombats are the only creatures on Earth that produce cube-shaped droppings.

The Skin That Bacteria Can't Grip
Weird Animals

The Skin That Bacteria Can't Grip

Sharks don't use chemicals to stay clean; their skin is physically designed to repel germs.

The bird that wears its tongue as a helmet
Weird Animals

The bird that wears its tongue as a helmet

A woodpecker hits a tree with enough force to liquefy most brains, yet it survives because its tongue wraps around its skull.

The largest living thing is a silent killer
Weird Animals

The largest living thing is a silent killer

Deep in an Oregon forest lives a single organism that covers nearly four square miles and has been growing for 8,000 years.

The Marsupial That Could Frame You For Murder
Weird Animals

The Marsupial That Could Frame You For Murder

Koalas have fingerprints so similar to humans that even experts using electron microscopes struggle to tell them apart.

The Bird That Can See More Than It Can Think
Weird Animals

The Bird That Can See More Than It Can Think

An ostrich’s eye is larger than its brain, leaving very little room for complex thought while providing a panoramic view of potential predators.

The Bird That Survives 240 Mile Per Hour Winds
Weird Animals

The Bird That Survives 240 Mile Per Hour Winds

A Peregrine Falcon dives faster than a race car, but the real mystery is why its lungs don't explode from the air pressure.

A Sloth Can Starve to Death on a Full Stomach
Weird Animals

A Sloth Can Starve to Death on a Full Stomach

It takes thirty days for a sloth to process a single meal, making it the slowest digestive system on the planet.

Butterflies are born from a literal puddle of soup
Weird Animals

Butterflies are born from a literal puddle of soup

Inside a chrysalis, a caterpillar digests itself into a liquid goo before rebuilding its body from scratch.

The frog that turns into a living ice cube
Weird Animals

The frog that turns into a living ice cube

The Alaskan wood frog survives winter by letting 65 percent of its body water freeze solid, stopping its heart entirely.

A toddler could swim through a whale's arteries
Weird Animals

A toddler could swim through a whale's arteries

A blue whale heart is the size of a bumper car, and its primary blood vessels are wide enough for a human child to crawl through.

The Decapod Carrying a Pulse Behind Its Eyes
Weird Animals

The Decapod Carrying a Pulse Behind Its Eyes

A shrimp’s chest is surprisingly empty because its life support system sits right behind its face.

The Platypus Swallows Food Into Its Throat
Weird Animals

The Platypus Swallows Food Into Its Throat

The platypus has no stomach; its esophagus connects directly to its intestines, making digestion a total mystery.

The Animal with Nine Semi-Independent Brains
Weird Animals

The Animal with Nine Semi-Independent Brains

Two-thirds of an octopus's neurons are in its arms, meaning its limbs can taste, touch, and think on their own.

The Frog That Hides Its Blood to Vanish
Weird Animals

The Frog That Hides Its Blood to Vanish

Glass frogs become invisible by stuffing their red blood cells into their liver, making their skin as clear as a window.

The Addax Is A Ghost Of The Sahara Sands
Weird Animals

The Addax Is A Ghost Of The Sahara Sands

With splayed hooves designed for soft sand and the ability to never drink water, the addax is the ultimate desert specialist.

The Javan Rhino Hides In A Volcanic Sanctuary
Weird Animals

The Javan Rhino Hides In A Volcanic Sanctuary

Deep within a single national park on the edge of a volcano, the world’s rarest rhino maintains a solitary, mud-soaked existence.

The Amur Leopard Is The Loneliest Cat In The Cold
Weird Animals

The Amur Leopard Is The Loneliest Cat In The Cold

Surviving in the sub-zero temperatures of the Russian Far East, this leopard has traded tropical heat for a thick, pale coat and incredible leaping power.

The Kakapo Is A Heavyweight Parrot Seeking A Comeback
Weird Animals

The Kakapo Is A Heavyweight Parrot Seeking A Comeback

New Zealand’s flightless, nocturnal parrot smells like an antique violin and relies on a booming voice to find a mate in the dense forest.

The Vaquita Refuses To Vanish From The Gulf
Weird Animals

The Vaquita Refuses To Vanish From The Gulf

In the northernmost corner of the Gulf of California, a small porpoise with dark circles around its eyes lives within a habitat no larger than a city limit.

The Mantis Shrimp Punch That Boils Water
Weird Animals

The Mantis Shrimp Punch That Boils Water

A finger-sized shrimp throws a punch so fast the surrounding water briefly reaches the surface temperature of the sun.

The Salamander That Regrows Its Limbs — And Its Brain
Weird Animals

The Salamander That Regrows Its Limbs — And Its Brain

Cut off an axolotl's leg and it grows back perfectly. Cut into its brain and it grows that back too.

The Fish That Generates Its Own Electricity
Weird Animals

The Fish That Generates Its Own Electricity

An electric eel can fire 600 volts on command — enough to stop a horse's heart. Its body is a living battery.

The Lizard That Shoots Blood From Its Eyes
Weird Animals

The Lizard That Shoots Blood From Its Eyes

When a coyote gets too close, the Texas horned lizard answers with a four-foot jet of its own blood.

The Insects That Invented Air Conditioning
Weird Animals

The Insects That Invented Air Conditioning

Termite mounds in the African savanna hold their internal temperature within one degree, all day, without any moving parts.

The Animal Engineers That Build Dams Visible From Space
Weird Animals

The Animal Engineers That Build Dams Visible From Space

A single beaver family rerouted a Canadian river so dramatically that astronauts can see their dam from orbit.

The Ants That Sew Leaves Together
Weird Animals

The Ants That Sew Leaves Together

Weaver ants build nests by stitching living leaves shut — using their own larvae as glue guns.

The Parasite That Turns Insects Into Zombies
Weird Animals

The Parasite That Turns Insects Into Zombies

A fungus tells a carpenter ant exactly when to die — and the ant obeys.

The Animal Born With Two Faces
Weird Animals

The Animal Born With Two Faces

In 2012, a kitten was born in Oregon with two faces, four eyes, two noses, and one brain.

Trees That Walk Across The Forest
Weird Animals

Trees That Walk Across The Forest

There's a tree in the Ecuadorian rainforest that locals swear moves a few centimetres each year, chasing the sunlight.

The Fastest Ant On Earth
Weird Animals

The Fastest Ant On Earth

There's an ant in the Sahara that runs at 108 times its own body length per second.

A mantis shrimp sees colours your brain has no name for
Weird Animals

A mantis shrimp sees colours your brain has no name for

16 photoreceptors vs. our 3. The world looks different.

The axolotl never grows up — and that's its superpower
Weird Animals

The axolotl never grows up — and that's its superpower

It can regrow its brain. Yes, really.

Owls turn their heads 270°. Here's how
Weird Animals

Owls turn their heads 270°. Here's how

An evolutionary blood-flow trick we still can't copy.