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.

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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.

By Desiree Bowie

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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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.

By Patty Rasmussen

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

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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

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

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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

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."

By Katherine Millar

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

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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.

By Clarissa Mitton

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.

By Katherine Millar

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.

By Desiree Bowie

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

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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

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

Owls are captivating birds known for their nocturnal habits, distinctive hooting calls and remarkable ability to hunt in near silence. With about 200 species found worldwide, these birds of prey come in various sizes and colors. Here, we dig in to 10 types of owls.

By Yara Simón

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People often use the terms "bison" and "buffalo" interchangeably when referring to large, wooly animals in the Bovidae family. If you drive by one of the two in a national park you may even be inclined to say, "Buffalo, bison — they're basically the same, right?"

By Sascha Bos

These miniscule, winged insects can be a common sight when the weather turns warm, but they might also leave some people puzzled. After all, ants can't fly — can they?

By Marie Look