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.
Toad vs. Frog: Differences in Anatomy, Habitat and More
What's the Difference Between a Newt and Salamander?
Mexican Salamander Could Hold Key to Spinal Cord Regeneration in Humans
Flying Ants Aren't a Separate Species, But a Life Stage
6 Facts About How Bees Learn, Think and Make Decisions
Do These Nightmare Parasites Hack Snail Brains to Survive?
The 3 Types of Ducks Every Birdwatcher Should Know
10 Types of Owls: From Tiny Screech-owls to Great Horned Owls
What Do Ducks Eat? Why You Shouldn't Feed Ducks Bread
Pacu Fish: The Piranha Cousin With Human-like Teeth
10 Biggest Sharks in the World
Yes, Male Seahorses Do Give Birth! Here's How
The Largest Bat in the World Has a Wingspan Over 5 Feet
Bison vs. Buffalo: What's the Difference?
Cheetah vs. Leopard: Can You Spot the Differences?
How Do Eels Reproduce?
Sailfish Are Super-fast, Stunning and Smart Ocean Predators
Why No Fish Wants a Tongue-eating Parasitic Louse in its Mouth
Papuan Olive Python: New Guinea's Behemoth in the Rainforest
Amethystine Python: Australia's Largest Native Snake
A Close Look at the Cuban Boa of Guantanamo Bay
Learn More / Page 2
The boa constrictor is a large, nonvenomous snake known for squeezing the life from its prey. They are not considered to be at a high risk of extinction.
The Burmese python is a solitary and nocturnal creature, but it's become an invasive species in Florida as a result of the exotic pet trade.
The king cobra (Ophiophagus hannah) is the longest venomous snake in the world and is one of the few snake species to make a nest for its eggs.
Pythons, the longest snakes in the world, are nonvenomous with a lethal squeeze. These snakes constrict their prey before devouring the meal.
The world's largest wolves weigh up to 175 pounds (79.4 kilograms) and measure up to 6 feet (1.8 meters) in length.
Hummingbird feeders are a great way to help those little fliers, but to feed them responsibly, you need to keep your feeders clean and fill them correctly.
Bees can learn, make decisions and have a sense of smell 100 times more sensitive than ours. And most don't live in hives. Here are some cool facts about bees.
The pink fairy armadillo looks like something out of a children's book and is so rare that very few people have ever seen one.
By Carrie Tatro
Like something out of a horror film, this parasitic worm invades a snail's eyestalks, where it pulsates to imitate a caterpillar, attracting the ultimate target, a bird.
By Mark Mancini
Estimating ant numbers and mass provides an important baseline from which to monitor ant populations amid worrying environmental changes.
By Mark Wong
During the fall months, you may see unfamiliar birds in your area as those from the north begin to fly south. But how do they know when it's time to migrate and where to go?
By Alia Hoyt
Today, technological advances are providing new insights into bird migration and showing that it is more complex and wonderful than scientists ever imagined.
By Tom Langen
While you may not want to encounter one on a hike, there's no denying that snakes are magnificent creatures — no matter how big or small they are. But when it comes to the biggest snakes in the world, nature truly knows no bounds.
You don't want an animal living in your house that's smarter than a raccoon and never rests.
Sailfish are the fastest known animal in the ocean. Just how fast? As fast as a cheetah. That's how fast.