How many hearts does an octopus have? How do species like the mimic octopus camouflage themselves? Find out about these and other octopus facts.

The bald eagle is the largest eagle in North America, and is found nowhere else in the world! Easy to recognize with its white head and tail, the bald eagle is a national symbol of the United States of America. Learn about these amazing fishers and nestbuilders, and learn the story of how they became endangered and then recovered.

From their adorable waddles to their incredible speed in the water, penguins are some truly incredible birds! They have specially shaped flippers which help them glide swiftly through the water.

Dive into the fascinating world of orcas, the largest members of the dolphin family! These super-sized dolphins are renowned for their intelligence and striking black and white coloration. Discover the unique physical features of orcas, including their imposing dorsal fins. Learn how these social creatures work together in pods, employing teamwork to hunt various prey from fish to seals using clever strategies. Marvel at their communication skills, using whistles and clicks like secret codes, and witness their playful nature. Highlighting their incredible abilities, this video also emphasizes the importance of protecting our oceans for future generations of orcas.

Polar bears are classified as marine mammals (just like seals, whales, and dolphins) because they spend so much time out on the sea ice and depend on the ocean to live. Of course, unlike whales, polar bears can walk and even run on land. Polar bears are generally considered the biggest bears on earth!

In today's episode, we learn all about gorillas! We share 97% of our DNA with these incredible great apes.

Have you ever wanted to know more about cheetahs? Where do cheetahs live? How fast does a cheetah run? What do cheetahs eat? Come see cheetahs run and learn amazing cheetah facts in this amazing video about an endangered animal.

As the world's largest land mammal, elephants have quite the commanding presence. But did you know elephants can't jump? Or that baby elephants lose their first set of teeth and tusks, just like humans? Learn about both Asian and African elephants and the threats facing these highly intelligent animals today.

Despite living in the ocean (although some live in rivers!) dolphins are mammals like you and me. They live all around the world and have a special relationship with humans. Dolphins are special because they can use echolocation (just like some kinds of bats) to find their food!

Foxes are small, furry mammals that live on every continent except Antarctica. There are 12 different species in the fox family, but the most common fox in the world is the red fox, which is also the largest fox. There's a lot to learn about foxes in this fun, educational video!

How much do lions eat? When do they begin to roar? Find out how many pounds of meat they devour, how loud their roars can be, and whether they are endangered.

Koalas are cute and cuddly little animals. They have soft, fluffy fur in colors that range from gray to brown, helping them blend in with the trees where they live. They have big round ears and a large, black nose to sniff out their favorite food: eucalyptus leaves. Their sharp claws and padded feet make them excellent climbers, too, allowing them to grip tree branches securely.

Raccoons are related to bears! Learn more amazing facts about the raccoon in this video from National Geographic Kids.

Sharks can rouse fear and awe like no other creature in the sea. Find out about the world's biggest and fastest sharks, how sharks reproduce, and how some species are at risk of extinction.