Wild Animals

The world's largest wolves weigh up to 175 pounds (79.4 kilograms) and measure up to 6 feet (1.8 meters) in length.

By Desiree Bowie

Wingspan isn't the only way to measure the largest eagles in the world. We also looked at weight and height.

By Yara Simón

Whether you're a chicken keeper looking to increase egg production or just curious about the largest chicken breed, here's a list of the giants by weight.

By Yara Simón

One of the largest crocodiles ever was so big that one website called the species "bus-sized."

By Yara Simón

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.

By Jesslyn Shields

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.

By Stephen Buchmann

Just one bite from any of these venomous snakes could cost you your life. They're some of the deadliest snakes in the world and you don't want to mess with them.

By Sharise Cunningham

They are all huge, but does it surprise you that none of the nine biggest birds can fly?

By Jesslyn Shields

Sharks: They are the stuff of legend and the stuff of nightmares. But which are the biggest? Here are the top 10.

By Carrie Tatro

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

A new study dispels the myth that snakes are deaf to airborne sounds and reveals that different species react differently to the sounds they hear.

By Christina N. Zdenek

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

There are tons of squirrel species around the world. Do they all have the same life span?

By Kristen Hall-Geisler

Estimating ant numbers and mass provides an important baseline from which to monitor ant populations amid worrying environmental changes.

By Mark Wong

It's a slippery proposition, to be sure, but bees do it, birds do it and you can bet that eels do it too. The question is, how do eels reproduce?

By Mark Mancini

Unlike most species on Earth, the male seahorse, rather than the female, does the gestating and delivery. And he does it in his own unique way, a new study found.

By Jesslyn Shields

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

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.

By Mark Mancini & Desiree Bowie

You don't want an animal living in your house that's smarter than a raccoon and never rests.

By Jesslyn Shields

Sailfish are the fastest known animal in the ocean. Just how fast? As fast as a cheetah. That's how fast.

By Cherise Threewitt

Don't freak out with worry if you see a splooting squirrel — he's just cooling off in the best way he knows how.

By Jesslyn Shields

The most iconic agricultural pest of the past 200 years just wants to eat your potato plant.

By Jesslyn Shields

While they may incite fear due to their impressive dimensions, these spiders play crucial roles in their ecosystems and have become subjects of significant scientific interest and study.

By Jesslyn Shields

Cymothoa exigua will make you feel very glad you're not a fish.

By Jesslyn Shields

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