We are all familiar with common examples of mammals such as cats, dogs, and horses. Humans are also mammals. This action-packed series of videos illustrates the common characteristics of mammals while also exploring some of the major...

From dogs to squirrels to elephants, we are familiar with many different mammals. This video explores some of the fascinating features of this amazing group of animals. Concepts and terminology: backbone, fur, warm-blooded, milk, and...

In this video we will learn how to draw basic structure of animals

Explore the world's largest collection of exotic animal milk at the Smithsonian's National Zoo, aiding species like baby Fiona.

Dinosaurs were huge—it's common knowledge. So why aren't modern mammals anywhere near that size? In this episode of SciShow, Hank gives a quick run-down of the reasons scientists think the land mammals of today are nowhere near the size...

How is it possible for air-breathing marine mammals like sperm whales and elephant seals to hold their breath for so long?

From the world’s biggest land animal to a creature built more like a tank than a sub, meet seven mammals that you might not think can swim well, but do!

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All mammals produce milk, but you probably wouldn't want to dip your cookies in all of them.

Sloths have been on this planet for more than 40 million years. What's the secret to their success? In a hilarious talk, zoologist Lucy Cooke takes us inside the strange life of the world's slowest mammal and shows what we can learn from...

Hank gives a quick run-down of the reasons scientists think the land mammals of today are nowhere near the size of the largest sauropods. Some of them might surprise you!

In this weeks science news, new fossil has been found that might help us understand how jaw bones evolved into complex middle ears found in mammals, and a new treatment regimen for treating babies with HIV shows promise.

It arose from rhino ancestors that were a lot smaller, but Paraceratherium would take a different evolutionary path. Believe it or not, it actually became so big that it probably got close to what scientists think might be the actual...

You might think that an animal either lays eggs or has live young. But these species prove it's a lot more complicated than that.

Did you know that the biggest animal that ever lived is still alive today? Let's learn all about what blue whales eat, where they live, and just how big they are, with Jessi and Squeaks!

Although the tapir is one of the world's largest land mammals, the lives of these solitary, nocturnal creatures have remained a mystery. Known as "the living fossil," the very same tapir that roams the forests and grasslands of South...

What happens when two monkeys are paid unequally? Fairness, reciprocity, empathy, cooperation -- caring about the well-being of others seems like a very human trait. But Frans de Waal shares some surprising videos of behavioral tests, on...

Join Jessi and Squeaks to learn all about an amazing aquatic mammal you may not have heard of before: the manatee!

Jessi from Animal Wonders gets a Quiz Show rematch against Hank. Will he prevail this time, or commit an animal blunder?

Maybe you've seen animal tracks in the mud after a rainy day, but did you know that you can study these tracks to learn all kinds of things about the animals that made them? Grab your detective hat and join Jessi to find out how!

You might have heard about animals behaving oddly right before an earthquake hits. But are these reports more than just anecdotes?

It’s Valentine’s Day, and Jessi and Squeaks got Valentines from their awesome animal friends all over the world! Hang out with them as they read some silly Valentine poems and learn about the animals that sent them!

Animals might be music lovers, but how can we know? Is the ability to perceive and appreciate music a shared human and animal experience?

Squeaks and Jessi use their pretend time machine to go way back in time and meet a creature even older than dinosaurs, called Dimetrodon!



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When you think of surfactants, you might think of soaps, detergents and other man-made chemicals. But it turns out that some other animals utilize their own versions of these sudsy molecules.