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 19
Cone snails are marine animals that harpoon their prey and incapacitate them with deadly toxins. They may be beautiful, but they are highly venomous.
Tons of these humongous bug-like creatures live in the darkest depths of the sea, but they are still somewhat of a mystery to us humans.
If you see a small hummingbird zip by your face, take a second look - what looks like a hummingbird may actually be a moth.
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Never heard of the tarsier? Well it's one of the smallest primates in the world but has some of the biggest bug eyes you've ever seen.
Turtles, whether giant land tortoises, sea turtles or the pet turtle in your aquarium, tend to be omnivores and love a varied vegetarian and protein diet.
Leopard seals are the second largest species of seal in the Antarctic after the southern elephant seal. They're fast, powerful and eat basically anything that moves. Their only natural predator? The killer whale.
Even washed up on the beach, the Portuguese man-of-war can deliver searing pain with its stinging tentacles, so whatever you do, don't touch it.
By Mark Mancini
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For decades scientists assumed these insects looked so much like orchids as a form of camouflage. But they were wrong. They look this way because they're deceptive predators.
The elusive hagfish is a master at hiding in holes and crevices, but its main defense is its ability to release a noxious, suffocating and sometimes poisonous slime when attacked.
By Mark Mancini
An orangutan who could unscrew bolts to bust out? A gorilla who climbed the vines out of her enclosure to just roam the zoo? These are wild animals, and these are their wild escape stories.
Creating an insect hotel gives local bugs and pollinators a place to live and people of all ages a super cool garden project.
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Budgies are the same species as parakeets and make fabulous pets - and, yes, they love to talk!
The Atlas moth is one of the largest moths out there, with a wingspan of up to 12 inches, but the 'cobra' faces on its wings are even more frightening to predators than its size.
A bullet ant's sting will hurt for a long time, but it probably won't kill you.
Pine martens are elusive and love to stay hidden in deep forests, but with strong claws, they are great climbers and hunters.
By Katie Carman
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Marmosets are some of the smallest monkeys in the world and are found primarily in the forested areas of central Brazil. And the males support their mates in a very unique way.
A federal judge reversed a Trump administration ruling that removed the gray wolf from the Endangered Species Act. Here's why.
By Logan Smith
You might not think a worm could be longer than a whale, but allow us to introduce you to the bootlace worm, one of the longest animals on the planet. And, oh and it packs a potent toxin, too.
By Mark Mancini
Kodiak bears are some of the largest bears in the world and live only in the islands of the Kodiak Archipelago in Alaska.
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Hibernating mammals like ground squirrels can build some muscle mass during their big sleep, with the help of gut bacteria.
There are 126 species of birds that don't have the ability to fly, for various evolutionary reasons. Let's meet seven of them.
By Katie Carman
Welcome to the wild, wild world of dual penises, delayed fertilization, mama python incubators and springtime "mating balls."
By Mark Mancini
Pallas's cats appear cantankerous, in part due to their flat faces and large, owl-like eyes with round pupils.
By Katie Carman
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Porbeagles are related to great whites, but while they're also athletic killers, they're smaller and far less ferocious. And what's with the funny dog name?
By Mark Mancini
Looks can be deceiving. That's definitely true for the blue-ringed octopus. It's tiny, stunningly beautiful and looks harmless. Yet its venom could kill 26 men in minutes.