Animal Kingdom

How Are Sloths Dangerous and What Are the Risks?

How Long Can a Killer Whale Hold Its Breath?

Do Sea Urchins Have Eyes or See Light?

How Fast Is an Anaconda on Land and in Water?

How Many Babies Can Snails Actually Have?

How Sharp Are Barnacles? A Look at Their Jagged Shells

Why Is a Whale a Mammal and Not a Fish?

Why Do Raccoons Run in Front of Cars?

Why Do Squirrels Come Out in the Snow?

How Tall Are Squirrels? Typical Heights and Influencing Factors

What Do Pond Snails Eat in the Wild and in Captivity?

How Long Can a Shark Last Out of Water?

What Do Fish Do in the Winter and How Do They Survive?

Do Fish Scream? The Science of Fish Sounds and Pain

How Fast Can a Narwhal Swim and What Affects Its Speed?

Do Wasps Have a Queen? Social vs. Solitary Roles

How Many Types of Tuna Are There? The Major Species

Do Walrus Tusks Grow Back? The Science of Tusk Growth

Do Crabs Have Veins? How Their Circulatory System Works

Can Bed Bugs Eat You Alive? A Biologist’s Explanation