Animal Science

Sloths are the slowest mammals on earth. They can hardly see. They live in rainforests among jaguars, pumas, and countless other predators. Yet they survive. And they do it by being so incredibly slow, and living a life covered in algae. In this episode, we hang with a sloth in the jungle of Costa Rica as he spends a month digesting one single leaf, and we see the symbiosis and collaboration that surrounds him.

Brown bears lead deeply cyclical lives. They need to gain sometimes hundreds of pounds during the warmer months to prepare for winter hibernation, a lifestyle that brings them into frequent contact with many other species’ cycles. In this episode, we meander through the Alaska peninsula with a bear and her cubs as she teaches them to hunt salmon at the falls, dig for clams along the coastal mudflats, and use the regional rubbing tree.

Dogs are a familiar and comforting part of many of our lives. In this episode, we take a walk with a pet xoloitzcuintli, or Mexican hairless dog, as he greets his blocks by smell. Along the way, we learn the backstory of squirrels in U.S. cities and observe the very smart and clean neighborhood raccoon.

Dung beetles might sound dirty, but the ancient Egyptians believed their god took the form of a dung beetle to roll the morning sun across the sky every day. In this episode, we roll with dung beetles around the world as they push their precious dung—often in balls many times larger than they are—over Florida pastures, Armenian highlands, and the vast South African savanna.

What do one kangaroo, two dogs, and three pigs have in common? They're heroes! Meet Lulu the kangaroo, who rescues her owner from a dangerous accident. Then hear the amazing story of Maggie and Pilot, two dogs that rely on each other. Finally, discover three amazing pigs and learn how each hog is a hero in its own way.

It's just a regular day when ordinary kids Jack and Annie are whisked away in the magic tree house to the Galapagos islands, where they must save a giant tortoise from an erupting volcano! But what do Jack and Annie know about saving turtles?! Plenty, thanks to some magic that makes them experts. A helicopter ride, rushing lava, and a whole lot of determination make this one adventure Jack and Annie will never forget!

Civilization has fallen. The solar system is blanketed with the automated weapons of ancient wars, engineered plagues, hazardous waste, rogue AI, monsters from outside our dimension, artificial disasters, and nuclear climate change. Every moment of life on Earth is a brutal fight for survival. The people of Sol carry on, but hope is at a premium. They need something more. Someone with a plan, a savior, a hero. What they get is Lily.

The vicious Rapscallion army is threatening to batter down the walls of Redwall Abbey. But standing in their way are the brave hares of the Long Patrol and a stout-hearted contingent of forest creatures. And no defender of Redwall is more courageous than young Tammo, an inexperienced but eager hare who dreams of great adventure. Fueled by sumptuous feasting and hearts lifted by stirring ballads, Tammo and his honorable companions raise their swords in a pitched battle for the future of their land.

Nearly a moon has passed since Alderpaw returned from his journey to SkyClan’s gorge, where he found the territory taken over by rogues. Now the same vicious cats that drove out SkyClan have traced Alderpaw’s path back to the lake… and ShadowClan may be the next to fall.

Mysterious, graceful, and ever-clever, otters have captivated our imaginations, despite the fact that few people have encountered one in the wild. In Otter Country, celebrated nature writer Miriam Darlington captures the fascination she's had for these playful animals since childhood, and chronicles her immersive journey into their watery world. Over the course of a single year, Darlington takes listeners on a winding expedition in pursuit of these elusive creatures—from her home in Devon, England, and through the wilds of Scotland, Wales, the Lake District, and the countryside of Cornwal

A shadow has fallen on the shore of the Eastern sea, a shadow called Marshank. In this cold stone fortress, a stoat named Badrang holds dozens of innocent creatures as slaves, part of his scheme to build an empire where he will rule as unquestioned tyrant.

Can octopuses feel pain and pleasure? What about crabs, shrimps, insects, or spiders? How do we tell whether a person unresponsive after severe brain injury might be suffering? When does a fetus in the womb start to have conscious experiences? Could there even be rudimentary feelings in miniature models of the human brain, grown from human stem cells? And what about AI? These are questions about the edge of sentience, and they are subject to enormous, disorienting uncertainty. We desperately want certainty, but it is out of reach.

Our world runs on energy! But traditional fossil fuels are doing great damage to the environment, and they will eventually run out. How might solar, water, wind and geothermal power come to our rescue? Listeners can discover how different the world could look in the future with energy sources that are clean and renewable.

Three species of bear inhabit North America: the grizzly, the polar bear, and the black bear. But the American black bear is truly North America's bear, found only in North America. Black bears range from Canada to Mexico, from New England to California.

The secret of Hollyleaf's, Jayfeather's, and Lionblaze's true identities has been revealed, but one shocking question remains unanswered. Now Clanmate will turn upon Clanmate, and one more warrior may be lost forever....

Tory Brennan, niece of acclaimed forensic anthropologist Temperance Brennan (of the Bones novels and hit TV show), is the leader of a ragtag band of teenage "sci-philes" who live on a secluded island off the coast of South Carolina. When the group rescues a dog caged for medical testing on a nearby island, they are exposed to an experimental strain of canine parvovirus that changes their lives forever.

Elisabeth Tova Bailey tells the intimate and inspiring story of her year-long encounter with a snail. While an illness keeps her bedridden, she becomes an astute and amused observer of the snail's surprising nocturnal adventures as it lives in a flowerpot on her nightstand. Intrigued by the snail’s clear decision making abilities, hydraulic locomotion, mysterious courtship, and molluscan anatomy, Bailey takes the listener deep into the life of this tiny amazing animal. With wit and grace, The Sound of a Wild Snail Eating recounts a remarkable journey of human and gastropod survival and resilience, and shows how the natural world illuminates our own human existence. Winner of the William Saroyan International Prize for Nonfiction, the John Burrough Medal Award for Natural History, and a National Outdoor Book Award. If you enjoyed Wesley the Owl, The Guest Cat, and Marley & Me, you'll enjoy this unique interspecies audiobook listen.

Bookish high school student Rintaro Natsuki is about to close the secondhand bookstore he inherited from his beloved bookworm grandfather. Then, a talking cat appears with an unusual request. The feline asks for — or rather, demands — the teenager’s help in saving books with him. The world is full of lonely books left unread and unloved, and the cat and Rintaro must liberate them from their neglectful owners.

Learn all about animal communication.

Since its original publication in 1975, Animal Liberation has awakened millions of people to the existence of "speciesism"—our systematic disregard of nonhuman animals—inspiring a worldwide movement to transform our attitudes to animals and eliminate the cruelty we inflict on them. Now, for the first time since its original publication, Singer returns to the major arguments and examples and brings us to the current moment.