Risultati per "tecnologia" in Mammiferi

Herds of caribou are found in the Arctic. Together, they migrate across the tundra each year. Find out how these polar animals find food, raise young, and stay away from predators. Learn the difference between caribou and reindeer.

In a hyena clan, females rule! They hunt, care for young, and protect the clan’s territory. Learn all about spotted hyenas and the important roles females play to ensure the clan’s survival.

With their sharp senses, ability to run long distances, and powerful bites, wolves are top predators in their habitats. Find out how they work together to hunt and raise their young.

What do you know about dolphins? Beginning listeners will get their feet wet with these literacy-building introductions to ocean animals. In addition to curricular information, social-emotional questions encourage reflection and family/educator engagement tips help connect the topic to the listener's life.

When the platypus was first discovered by Europeans in the 1800s, it was well-known by Australian Aborigines - but no one knew how to classify it. It lived in the water and laid eggs like a reptile, had a bill like a bird, and was furry and warm-blooded like a mammal. Scientists had to come up with a way to solve this and many other mysteries of nature. Alaskan Polar bears sleeping in hidden underground dens caused problems for researchers wanting to drill for oil without disturbing the bears. Find out how scientists used infrared imaging to see the caves beneath the snow.

Many animals, both big and small, sleep through long, cold winter months. Learn the process of hibernation and different ways animals adapt to survive in harsh climates.

Southern white rhinos are in trouble. For years, a rumor has been spreading that their horns can be used to cure cancer, and poachers have been targeting these gentle creatures. Sandra Markle takes listeners behind the scenes to see how civilians, volunteer organizations, and African governments are working together to protect rhinos.

Little brown bats do us a big favor. They eat huge numbers of insects! That helps limit the spread of diseases and the damage that insects do to farm crops. But in recent years, large populations of little brown bats have been dying off each winter. Is a virus killing them? Could climate change or pesticides be the cause? Or is it something else? Follow a team of dedicated scientists working to save the little brown bats in this real-life science mystery.

Did you know that scientists can track animals? By tracking animals, scientists can see where animals migrate to and from. These trackers can be big or small and are different depending on the kind of animal being tracked. Learn about the different technology that is used for tracking!

What animal has the biggest eyes? Why do elephants have enormous ears? This series explores different animal parts and demonstrates how and why these parts vary throughout the animal kingdom. Each title introduces listeners to four animals whose distinct body parts are unique and important.

The African savanna is home to many kinds of animals, including me! I am spotted, but I am not a giraffe. I am strong, but I am not an elephant. Listen to the clues and try to guess which animal I am before the end of the book!

Jackals will eat almost anything. On the African savanna, they will even steal food from much bigger animals, like lions. Learn more about the lives of jackals.

Wolves often hunt in packs in North America. Learn all about these furry predators and their habits in Wolves.

Hippos may look cute, but keep your distance! These huge animals use their fast running speed and long canine teeth to defend their territories and their young. Find out why these beasts are Africa’s deadliest mammals.

Camels are experts at surviving in harsh heat. Find out how camels live in the desert.

Sloths spend most of their lives in trees, and until recently, scientists didn’t know very much about them. But Dr. Rebecca Cliffe was determined to discover their secrets. To find out more, she fitted sloths with special backpacks containing a device to track their activity. She learned how to climb trees in the Costa Rican jungle so she could take sloth hair samples and test their DNA. And she’s helped create sloth crossings and plant trees to ensure the sloths aren’t trapped in shrinking territories. Along the way, she earned the nickname Dr. Sloth.

Follow us on a journey around all the body parts of mammals, from eyes to ears, to legs to tails. Find out all about how each body part works, what it looks like and what it does and how each body part differs between species.

Rhinoceroses graze on grass and leaves. Learn all about these powerful creatures and their habitats in Rhinoceroses.

Foxes are notorious backyard thieves in children's stories. But beginning readers can learn the real facts on these clever mammals through easy text in this low-level title.

In the dark, Kristofer Helgen and a group of scientists peered up into the treetops of the Ecuadorian cloud forest. Staring back at them was a furry, four-legged creature. Could it be the mysterious, wild olinguito? Helgen had been studying the olingo, a relative of raccoons, for years. As he examined their pelts and skulls in museums, he noticed differences in a few. Through scientific investigating, he realized the different examples weren't olingos at all - he had discovered a completely new species.