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Living creatures can be found in every habitat on Earth, from oceans, deserts, and rainforests to prairies, caves, and urban backyards. Animals have managed to survive in these varied climates and conditions through adaptation – the process of changing as a species over time to become well suited to the environment. Sometimes these changes take place slowly, over many generations, as more successful animals survive and pass their traits to their offspring. Other times, a quickly changing habitat forces animals to make swift behavioral adaptations in order to survive. This collection showcases different types of animals – insects, birds, mammals, amphibians, marsupials, and even humans – and the adaptations that have helped them succeed.
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Bats, the only flying mammal, often go unappreciated. They are a diverse species, varied in size and habitat. Their ability to hunt in the dark using echolocation, or a series of high-pitched squeaks that bounce off their prey, is a unique adaptation. This audio story highlights fascinating facts about bats: their size, where they make their homes, and how they use echolocation to hunt for dinner.
Read MoreAnimals have adapted to their environments in a wide variety of ways and developed a range of survival strategies. This audio story highlights a selection of interesting animal ”superpowers,” many of which offer ecological advantages to both predators and prey. Listen to hear about the difference between poison and venom and learn how two particularly lethal creatures compare: the box jellyfish and the golden poison frog.
Read MoreFrogs are well adapted to their environment. They absorb water and oxygen through their skin which allows them to eat and breathe underwater. They are powerful jumpers and good hunters. But perhaps their most unusual adaptation is metamorphosis, the process of changing from tadpole to frog. Metamorphosis helps frogs live successfully in both wet and semi-dry environments, vary their diets, and avoid predators. Listen to hear an animal scientist explain how metamorphosis helps frogs survive, and why they eat their own tails in the process.
Read MoreAustralia is full of diverse and unusual animal life. It is home to hundreds of different species of marsupials, which are mammals that carry their babies in pouches, along with deadly snakes, spiders, and jellyfish. Listen to hear a story about exploring the Australian outback and learn about the unique adaptations and appearances of the animals living there.
Read MoreDoes tickling have a purpose? Why are certain parts of the human body especially sensitive to tickling? Scientists believe the tickling response evolved in early humans to help them protect themselves from predators and insects. Tickling also gives scientists clues about how the brain signals other parts of the body to respond. Listen to hear more about the protective response of tickling, and learn why it is impossible to tickle yourself.
Read MoreThe eye-popping colors and designs on butterfly wings are not just for show, but are an important adaptation that helps the insects fend off predators. Some butterflies have wings containing toxins, signaling danger to birds and other hungry hunters. Others fold their wings for camouflage or flutter them so the colors confuse birds giving chase. Listen to hear an insect scientist explain more about the amazing ways butterflies’ colorful wings help them survive.
Read MoreJust how fast is a cheetah? Fast enough to earn the title “fastest land animal on the planet!” In this audio story, a scientist explains how various adaptations allow the cheetah to run at unbeatable (and unbelievable) speeds. Listen to hear about external and internal adaptations that help the cheetah run so fast.
Read MoreWildlife in the city? It may seem odd to hear the word “wildlife” linked to the word “city.” However, animals live wherever they can find food and shelter. Cities can provide both for many types of wildlife. Animals use their survival skills to turn just about any environment into their home. Listen to hear a scientist explain which animals can be found in suburbs and cities and how they adapt to these environments.
Read MoreNorth American river otters have adapted both physically and behaviorally to survive the long, cold winters of North America. This episode of Earth Rangers features an interview with a conservation zoologist about how the river otter’s physical features, behaviors, and social structures help it find the shelter and food it needs to survive, with a particular focus on the important relationship between river otters and beavers. Listen to hear about the physical and behavioral adaptations that help North American river otters thrive.
Read MoreArctic foxes may be small, but they undergo powerful adaptations that help them survive in the snowy tundra, one of the planet’s most unforgiving biomes. One of their most important adaptations is the gift of camouflage: Arctic foxes’ fur changes color depending on the season. In winter, these animals grow dense white fur that keeps them warm and camouflages them in their snowy surroundings. In spring, they molt to reveal thinner, gray-brown fur to better blend in after the snow has melted away. Listen to hear more about this and other incredible adaptations of the Arctic fox.
Read MoreThe world is filled with many living things of all shapes and sizes. From plants and animals to fungi and bacteria, every living thing is important and plays a role on our Earth. The variety of living things in a habitat is known as biodiversity. Having biodiversity in a habitat allows for many different species to thrive. Listen to hear more about how all living things within a habitat depend on one another for survival, making it crucial to find a way to protect each of them.
Read MoreThe 10,000 different species of birds found on the planet all have a few things in common: they have feathers and wings, lay eggs, and are warm blooded. What special adaptations have they developed to help them fly fast, hatch their young, and eliminate waste? Listen to hear a biologist and an ornithologist share fascinating facts about birds, including why their poop is white.
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