検索キーワード： 動物学

Simple science text gives a close-up account of the fascinating world of the dung beetle. When an animal lightens its load, dung beetles race to the scene. They battle over, devour, hoard, and lay their eggs in the precious poop. Dung is food, drink, and fuel for new life - as crucial to these beetles as the beetles are to many habitats, including our own.

Few activities grip our attention more than animal watching. Dolphins and seals bring us much joy, and sharks and alligators hold us in awe. But animals can also prompt a variety of fascinating questions. Why do dolphins sometimes surf? How well can birds of prey actually see? Why do giant pandas eat bamboo fast food? Why are cavities essential to one reptile's survival? What effect can a slight temperature change have on alligator hatchlings? How can some seals stay underwater so long and dive so deeply without harm?

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.

These are the adventures and discoveries of the scientists who revealed the secrets of the Komodo dragon. This strange creature inspired myth and legend, luring brave souls into the forests of Indonesia to see if the tales were true. In the end, it attracted scientists, who unraveled the mysteries of how such a remarkable creature could exist, how it uses the deadly germs in its saliva to its advantage, and how those microbes may lead to cures for stubborn diseases.

How does a tadpole become a frog? Follow each step in nature's cycle - from egg to adulthood - in this fascinating book!

How does an egg become a butterfly? Follow each step in nature's cycle - from egg to brightly colored insect - in this fascinating book!

What does it mean to migrate? Discover which animals migrate and why they migrate.

What does it mean to migrate? Discover which animals migrate and why they migrate through detailed, simple text.

Hibernation is a cycle that some animals go through every year. Most people know that bears hibernate. But why do they hibernate? And what other animals hibernate?

All kinds of animals have skin - even humans! Compare the many features of skin.

What animals have shells? See the wide variety, from armadillos and snails to crabs and turtles.

Compare different types of scales and discover how they protect the bodies of fish and reptiles.

Some mammals have a little fur or hair, others have a lot! Learn how fur helps these animals survive.

Discover how adaptations make the ocean a perfect habitat for whales, lobsters, sea horses, and many more animals.

How do animals like bighorn sheep, yaks, and snow leopards survive in the mountains? Discover their adaptations and see!

Fish swim and ducks paddle. Beavers build and herons wade. Discover how these animals and others adapt to living in a lake.

Lions, and zebras, and termites, oh my! Learn why a grassland is a perfect habitat for these animals and more.

Find out why the forest is a perfect habitat for animals like porcupines, bears, and deer.

How do animals like snakes, roadrunners, and scorpions survive in the desert? Discover their adaptations and see!

Shoot back in time 4.5 billion years to see how planet Earth was formed and then leap into the future to see what happens when stars die. Everything has a beginning and an end, but what happens in between? Meet dolphins jumping in the ocean waves, penguins travelling on the ice and butterflies fluttering in the sky. You'll take a closer look at the life cycles of environments, too. Discover how a river forms and changes over time. Find out how a tree grows and all of the other life cycles it supports within it. See the amazing sculptures the oceans make out of cliffs.