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Los mamíferos marinos conocidos como cetáceos están divididos en dos grupos: ballenas dentadas (incluyendo delfines y marsopas) y ballenas barbadas. Un grupo solo tiene un espiráculo para respirar y el otro tiene dos. Un grupo tiene aletas dorsales altas para mantener el balance mientras persiguen a sus presas. El otro recoge agua y presas con su inmensa boca mientras nadan y no necesitan aletas dorsales altas. Un grupo utiliza la ecolocalización y el otro no. Aprende más sobre las similitudes y diferencias de estos animales.

Like humans, dolphins learn through play, observation, and experimentation. Some learned behaviors are fun things to pass the time. In different parts of the world, dolphins have learned some fascinating hunting techniques that help them survive. Whether these learned behaviors are taught from generation to generation or learned by observation, those dolphins have unique hunting skills found only in those areas.

Marine mammals known as cetaceans are broken into two large groups: toothed whales (including dolphins and porpoises) and baleen whales. One group has a single blowhole to breathe air, the other has two. One group has tall dorsal fins to help maintain balance as they chase prey. The other scoops up water and prey in their large mouths as they swim slowly along—they don’t need large dorsal fins. One group uses echolocation, the other doesn’t. Learn more about what these animals have in common and how they are different in this latest installment of the Compare and Contrast Series.

Tiger sharks eat almost anything they can catch. But the practice of dumping garbage in oceans is harmful to these predators who tend to eat something without realizing it isn’t food. This causes tiger sharks to eat license plates and other non-food items they cannot digest.

Experience the wonder and learn about the aquatic life on Liberty Bay with Ben and his new friend, Samantha.

What makes all these animals fish? Fish live in the water, but they have other defining characteristics as well. Who else lives in the ocean?

Adelita, a loggerhead sea turtle, was the first ocean-going animal to be tracked with a satellite transmitter. How would she find her way?

The freshwater eel is a fish that makes two remarkable journeys, one at the beginning of its life, and another at the end. It is born in the ocean, lives its adult life in a freshwater stream, then returns to the ocean.

In March of that year, two pygmy sperm whales got trapped between a sandbar and the beach and couldn’t get back to the ocean. Several concerned people were unable to help the whales—until Moko came along. Dive in and learn all about the heroic dolphin who helped lead two distressed whales back to the safety of the sea.

Have you ever heard about the cookie-cutter shark, which bites out cookie-shaped morsels of flesh from much larger animals than itself? Or the goblin shark, which was thought to have become extinct 100 million years ago until a living specimen was discovered in 1898? And did you know that the whale shark has jaws the size of a 12-year-old child? The earth is home to over one billion sharks across 500 different species, and there's so much to learn about these ancient rulers of the ocean!

Extraordinary Elephants: There's so much more to elephants than their enormous size! Have you heard about their excellent memory or their adorable sense of humour? Did you know that they actually walk on their tippy toes? And wait till you see who their cousins are – you're in for a surprise! Jiggliest Jellyfish: Did you know that jellyfish can thrive in waters that would suffocate other sea creatures? Or that some jellyfish can flash different colours from purple to green? Or that they have the world's most powerful venom?

You might think that there's not much to jellyfish, but this audiobook will make you think again. Did you know that jellyfish can thrive in waters that would suffocate other sea creatures? Or that some jellyfish can flash different colours from purple to green? Or that they have the world's most powerful venom? There is even a jellyfish that is immortal! There are more than 2000 kinds of jellyfish, and they're one of the few creatures that will thrive in warmer waters due to climate change – yikes!

Wrestle an octopus, swim through a sunken city, and discover 20 incredible-but-true stories from our unbelievable—and unpredictable—oceans. From acclaimed nonfiction writer Mary Boone comes a look at the fascinating stories that take place under (and above) the sea. Did you know you can...

In Octopus Ocean, discover the mysteries and histories of octopuses big and small—their biology, habitat and habits—and explore the top threats to their future, including warming oceans, over-fishing and pollution.

Dive into the delightful world of Dylan the Dolphin in this charming children's audiobook—part of a captivating series that also includes Henry the Hippo, Sally the Sloth, and Lenny the Lion. Through simple yet engaging rhymed verse, children will discover fascinating facts about dolphins—how they leap and splash, live in families, use echolocation, what they eat, and more.

Hör Dich schlau! Diese Hörspielreihe basiert auf den Themen der erfolgreichen WAS IST WAS Bände. Das bereits aus TV bekannte Trio Theo, Tess und Quentin lädt auf abenteuerliche Wissensreisen ein und stößt dabei auf viele interessante Fakten. Mit Humor und Sachverständnis wird so jedes Thema zum puren Hörvergnügen. Wunder der Ozeane Der Blauwal ist so groß dass man ihn nur aus der Luft ganz sehen kann. Die friedlichen Giganten der Meere faszinieren uns, doch vieles im Leben dieser Meeressäuger ist noch immer ein Geheimnis.

This narrative nonfiction book by the creator of the acclaimed Sea Bear and Yoshi and the Ocean celebrates the awe-inspiring 18,000-mile migration of one of Earth’s most amazing animals—the Arctic tern. With bodies home to hollow bones and weighing about the same as a handful of sand, Arctic...

Oceans Alive takes listeners on a field trip to the ocean! Young learners are introduced to the physical characteristics, habitats, and behaviors of animals including sharks, whales, clown fish, and many more creatures of the sea. This volume includes Corals, Crabs, Dolphins, Jellyfish, Octopuses, Sea Horses, and Sea Turtles.

Whales in the City features sound design and special effects to enhance your listening enjoyment. Listen out for the sounds of New York City and the songs of whales! For fans of If Sharks Disappeared, this kid-friendly audiobook is a true story about how community action saved the whales of New...

The animal kingdom is full of look-alikes! Young listeners will dig into physical and behavioral traits of each animal. Beginning listeners will be able to tell these doppelgängers apart in no time! This volume includes Turtle or Tortoise?, Wolf or Coyote?, Beaver or Muskrat?, Frog or Toad?, Hedgehog or Porcupine?, and Octopus or Squid?