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 5
Ever wondered what sharks might find in their waters besides fish? Turns out, some Brazilian sharpnose sharks (Rhizoprionodon lalandii) have been swimming in some rather strange seas - ones laced with cocaine.
As land-dwelling humans, the ocean can be both fascinating and a little (or a lot) frightening. It's therefore not all that surprising that an appearance of the large, strange-looking oarfish might make people anxious, especially in our social-media addled age.
By Zach Taras
The life cycle of jellyfish can seem almost otherworldly. Some species are the closer to actual immortality than anything else we see in the animal kingdom!
By Mack Hayden
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Animal names are a simple way to categorize the diverse species of the animal kingdom. Animals that start with "U" can be some of the most fascinating in our planet's elaborate biological patchwork.
By Mitch Ryan
For the past few years, orcas attacking boats have been making headlines, most recently off the coasts of Spain in the Atlantic Ocean. These incidents, involving a group of orcas known as the Iberian orcas, have been occurring since 2020.
Far below the ocean's surface, in the dark depths of the deep sea floor ecosystem (about 3,000 feet or 1,000 meters deep), exists an entire world of deep sea creatures that humans rarely glimpse.
By Sascha Bos
A study at the University of Exeter in January 2020 found that squirrels that strongly favored a paw - whether right or left - perform less well at learning tasks. Ah ... OK. So. Many. Questions.
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Scariness is subjective, both overall and in the animal kingdom: Some people are terrified of spiders, others are afraid of rabbits. However, certain features can make an animal look more threatening, such as a huge mouth, sharp teeth or enormous size.
By Sascha Bos
If you're afraid of sharks, stop reading now, because we're about to get in deep with six types of sharks. Learn more about these fascinating fish - big and small, solid and patterned, sluggish and speedy.
By Sascha Bos
A rainforest is simply a forest that receives a lot of rain. But when you think "rainforest," the image that comes to mind is probably a tropical rainforest: one located near the equator, between the Tropic of Capricorn and the Tropic of Cancer.
By Sascha Bos
It's small. It's cute. It's the happiest animal on Earth. The quokka earned the title of world's happiest animal because of its "smile."
By Yara Simón
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There probably aren't many animals as aptly named as the spider-tailed horned viper. With a tail tip that resembles a spider and horns atop its head, it's easy to visualize this venomous snake.
By Yara Simón
Orcas are known as "killer whales" because they are apex predators. In the wild, highly social killer whales prey on sharks, seals, dolphins and even other whales.
By Sascha Bos
Scariness is subjective, both overall and in the animal kingdom: Some people are terrified of spiders, others are afraid of rabbits. However, certain features can make an animal look more threatening, such as a huge mouth, sharp teeth or enormous size.
By Sascha Bos
Far below the ocean's surface, in the dark depths of the deep sea floor ecosystem (about 3,000 feet or 1,000 meters deep), exists an entire world of deep sea creatures that humans rarely glimpse.
By Sascha Bos
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Catfishing goes beyond just a leisure activity. For many, it's a pursuit of record-breaking giants that lurk in the depths of rivers and lakes. The biggest catfish ever caught has become a tale of modern-day fishing folklore, sparking slogans like: "Happiness is a big catfish and a witness."
What makes an animal "weird"? Maybe it looks different from other animals in its family, or has an uncanny resemblance to another creature in the animal kingdom they are not closely related to.
By Sascha Bos
What makes an animal cute? In a 2016 article published in "Trends in Cognitive Sciences," researchers found that cuteness plays an important role in the infant-caregiver relationship. The world's cutest animals have features that tug on their parents' heartstrings (and increase their brain activity).
By Sascha Bos
While there are tons of fish in the sea, only a few hold the title of the fastest fish in the ocean. You might wonder how the fastest fish swim at such high speeds.
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The sheepshead fish is a curiosity to anglers and marine biologists alike. This unique species, found along the Atlantic coast of North America, has long received attention for its strange dental structure, resembling that of humans.
Get ready to unleash your inner wild as we prowl into the heart of the animal kingdom, where the biggest cat in the world roams. And no, we're not talking about Barivel, the Maine coon who holds the record for the longest domestic cat in the world.
Known for their long legs, pincers and hard shells, most crustaceans are omnivorous scavengers, although some are predators or vegetarians. Either way, a steady diet can assist certain crab species in growing to incredible sizes.
By Marie Look
If you came across an alligator in your yard (a totally plausible scenario in a place like Florida), you might think it's the biggest alligator you ever saw. But if it's not pushing 1,000 pounds and 15 feet in length, then it's likely not breaking any records.
By Yara Simón
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There are three types of ducks: dabbling, diving and perching. Wild ducks are classified based on their habitat and behavior.
By Sascha Bos
Whether out of fear or fascination, you might wonder, what is the largest bat in the world? The flying mammals aren't all petite petite creatures.
By Zach Taras