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.
Golden Poison Dart Frog Eats Toxic Insects for Its Own Poison
Toad vs. Frog: Differences in Anatomy, Habitat and More
What's the Difference Between a Newt and Salamander?
The Most Dangerous Insect (and 13 Others to Avoid)
The Most Dangerous Wasp and 9 Other Stingers to Avoid
The Tsetse Fly, Blood Meals and African Sleeping Sickness
The World's Most Dangerous Bird and 9 Runners-up
The 3 Types of Ducks Every Birdwatcher Should Know
10 Types of Owls: From Tiny Screech-owls to Great Horned Owls
13 Most Dangerous Fish, Eels and Sharks
The Stonefish Hides in Plain Sight and Packs a Painful Sting
The Pufferfish Really Isn't Happy to See You
Why Grolar Bear Numbers Increase With Climate Change
The Most Dangerous Bear and 9 Others to Give a Wide Berth
The World's Most Dangerous Cat and 14 Other Fierce Felines
20 of the Most Dangerous Sea Creatures in the Deep Blue
8 Most Dangerous Jellyfish and 1 Stinging Imposter
Freshwater Snails: Helpful Carriers of Harmful Parasites
So, the American Alligator Can Climb Trees ... How Terrifying
Saw-scaled Viper: Opportunistic, Fast and Highly Venomous
Inland Taipan: Most Venomous Snake in the World
Learn More / Page 8
These massive mollusks are one of the world's most invasive species. They have the potential to devastate Florida's agriculture. Oh, and they can cause meningitis in humans.
By Sarah Gleim
Though it's true that joeys poop in their mother's pouch, also known as the marsupium, it's still a pretty cozy place to spend the first few months of life.
It's hard to imagine Nemo catching some z's in the Great Barrier Reef. But fish do need rest. Do they sleep like we do?
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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.
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.
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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
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.
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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.
Budgies are the same species as parakeets and make fabulous pets - and, yes, they love to talk!
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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
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.
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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.
Hibernating mammals like ground squirrels can build some muscle mass during their big sleep, with the help of gut bacteria.
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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