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π History 1,991
π¬ Science 1,964
πΎ Animals 1,525
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πΏ Nature 759
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β¨ General 68
β¨ Dinosaur 10
The Greenland shark is so slow it was once thought too sluggish to catch seals β yet they eat them regularly.
The cuttlefish can change its appearance 177 times per hour β one of the fastest color-changing animals.
The leafy sea dragon is found only in the waters around southern Australia.
The blobfish is the mascot of the Ugly Animal Preservation Society β elected in 2013.
Some species of beetle can navigate by detecting polarized moonlight β navigating at night with precision.
The electric eel can sense the distortions its own electric field causes when objects are nearby.
The star-nosed mole's nose touches 10 to 12 objects per second β processing each in 25 milliseconds.
The giant anteater consumes up to 35,000 ants and termites per day.
Some species of octopus use their arms independently β each arm has its own neural cluster acting semi-autonomously.
The sea otter's fur has about 1 million hairs per square inch β the densest of any mammal.
The porcupine can regenerate its quills β a single adult can have 30,000.
The tarsier's eyes are each as large as its entire brain.
The whale shark can live over 100 years β based on carbon dating of eye tissue.
The coelacanth's lobed fins move in an alternating pattern resembling walking β ancient precursor to tetrapod locomotion.
The geoduck clam squirts water several feet when disturbed β giving it its nickname.
The platypus uses electroreception in its bill to navigate β closing all other senses while underwater.
Some species of whale communicate in 'sentence-like' units β phrases that transmit specific information.
The frigate bird inflates a red throat pouch the size of a balloon to attract mates.
The pangolin rolls into a perfect ball when threatened β its scales can withstand a lion bite.
The alligator snapping turtle attracts fish by wiggling a worm-like appendage on its tongue.
Some species of ants play dead to avoid predators β they curl up and remain motionless until safe.
The manatee is the only fully aquatic herbivorous mammal.
Some species of squid shoot bioluminescent ink β creating a glowing cloud to confuse predators.
The long-eared jerboa has ears longer than its head β the proportional ear champion among mammals.
The pink fairy armadillo is the world's smallest armadillo β about 10 cm long.
The African elephant shrew is more closely related to elephants than to shrews.
The marine iguana of the GalΓ‘pagos is the only ocean-going lizard β it dives to feed on algae.
The immortal jellyfish sinks to the seafloor and reverts to a cyst when stressed β not just after reproduction.
The tardigrade's survival of space exposure was in cryptobiosis β a state of suspended animation.
Some species of octopus die so completely after egg-guarding that bacteria consume them before the eggs hatch.
The flying snake of Southeast Asia undulates its body while gliding β generating lift like a wing.
The shoebill stork can stand completely motionless for hours β then strike faster than the eye can follow.
Firefly light is cold β less than 1/100th of a percent of the energy is heat.
The ocean sunfish (Mola mola) produces 300 million eggs at once β the most of any vertebrate.
Some species of bee make their nests exclusively in abandoned snail shells.
The naked mole rat feels no pain from acid β a unique adaptation to high-COβ underground environments.
The dragonfly hunts with 95% success rate β the highest of any predator measured.
The purple frog of India was only discovered in 2003 β despite being evolutionarily distinct for 130 million years.
Sloths descend from their tree once a week to defecate β a risky behavior that kills many from predation.
The hairy frog (horror frog) breaks its own bones to produce claws when threatened.
The great potoo bird's camouflage is so complete it roosted on a pole for weeks without being recognized.
Some species of spider can go years without food β surviving on fat reserves alone.
The aye-aye is considered an omen of death in Madagascar β making it both feared and threatened.
Bonobo society is female-dominated and largely peaceful β using sex as conflict resolution.
The pistol shrimp's claw regrows β if it loses the larger claw, the smaller one develops into a new pistol claw.
The whale louse is a crustacean that lives only on specific whale species β adapted to its host's body contours.
The sand tiger shark swallows air at the surface to regulate buoyancy β the only shark known to do this.
The oarfish sinking to the seafloor dying has been associated in Japanese culture with earthquakes β the 'messenger from the sea god.'
The basking shark is the second-largest fish β it can filter 2 million liters of water per hour.
The electric eel is not an eel β it's more closely related to carp.