Wild Animals
Whether they crawl, fly, swim, slither, walk, run or pounce, wild animals rely on their instincts. Read about all kinds of wild animals, mammals, birds, fish, insects, reptiles and amphibians.
12 Colorful Frog Species: From Tie-dyed Designs to Rare Hues
Amazon Milk Frog: Named for Its Defense, Not Its Color
The Red-eyed Tree Frog Has Extremely Sensitive Skin
10 Red Butterfly Species Found From India to Florida to Europe
How the Glasswing Butterfly Flutters (Almost) Invisibly
6 Green Butterfly Species Blending in With Their Environments
What Is a Group of Flamingos Called? Not a Flock, Another 'F' Word
7 Ugliest Bird Species: Evolutionary Qualities That Aren't So Pretty
What's a Group of Ravens Called? Not a Murder (That's Crows)
What Is a Group of Fish Called? Not Always a School
10 Weirdest Fish in the World: Batfish, Hairy Frogfish, and More
10 Scariest Fish Lurking in Rivers, Deep Ocean Waters, and Shells
What Is a Group of Ferrets Called? You're Such a Busybody
What Is a Group of Mice Called? Not Always a Colony
What Is a Baby Deer Called? (Aside From Adorable)
10 of the Scariest Sea Creatures Lurking in the Ocean's Depths
How Bioluminescent Jellyfish Get Their Signature Glow
White Spotted Jellyfish: Cute Until They Become Invasive
10 Cutest Snake Species That Have Us Squeeing
10 Colorful Lizards to Delight Reptile Lovers
Python vs. Anaconda: Comparing Snakes and Software Languages
Learn More / Page 27
If you think the answer is 1,000, you're way way off.
Wolf spiders might find their way into your house and can look threatening, but they're really harmless.
Sure, hedgehogs are cute as heck, but do you think one really wants to live in your house?
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The blobfish is actually pretty average looking in its normal habitat, but becomes a blob when it transitions from the pressure at depth to the water's surface.
There doesn't seem to be much of a gray area. Most people are a hard yes or yard no.
By Meg Sparwath
Sure, opossums eat out of your trashcan, but they're also strange little superheroes.
There's a lot of conversation around what we should be feeding our backyard hummingbird visitors, so we threw the question, along with others, to an expert.
By Jamie Allen
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Snakes and lizards share a common ancestor, and snakes still have the genetic coding for legs and feet. So where did those appendages go?
Your favorite cashmere sweater is super-soft and luxurious. It probably cost you an arm and leg, too. Here's why.
By Jamie Allen
The world's largest bee, lost to science for 38 years, has been rediscovered on a remote island in Indonesia.
A group of researchers in Shennongjia National Nature Reserve discovered that these female monkeys are essentially happy to feed each other's offspring.
By Jamie Allen
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Perhaps it's a mating signal. Or meant to confuse owls and other predators. Or maybe it's just for looks.
By Jamie Allen
There's an old saying that you catch more flies with honey than vinegar. Scientists have now found out why sour tastes are so repellent to flies.
By Alia Hoyt
The smallest owls in the world have mad survival skills, like killing poisonous scorpions and playing dead.
By Loraine Fick
Elephants make a specific sound to warn each other of nearby humans.
By Loraine Fick
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Vomiting is nature's clearly preferred method for cleaning out the contents of the stomach. But not all animals can do it.
By Loraine Fick
A dolphin doesn't breathe automatically, so during sleep, one side of its brain stays awake to ensure the mammal rises to the surface and breathes.
By Loraine Fick
Penguins stand for months on the coldest ice in the world without their feet freezing, thanks to special blood circulation.
By Loraine Fick
The single-celled Mesodinium chamaeleon harnesses algae, which lives inside it, for energy.
By Loraine Fick
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There are lots of theories. Maybe fluorescence helps them find each other in the dark?
It looks excruciating, and nobody knows exactly why it happens.
Think a teeny tiny ant can't pack a punch? Think again. The Dracula ant can subdue its prey so fast, they never know it's coming.
By John Donovan
Before you declare which team you're on, we've got the breakdown on this auditory battle royal.
By Mark Mancini
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When we think of big cats in the wild, we most likely think of lions and tigers. But there are so many more amazing wild cats you've probably never even heard of. Here are five.
By Oisin Curran
Do humpback whales get tired of singing the same old song, or do they simply start over when it gets too complicated?