Join host Jeff Corwin as he connects with some of the most threatened and endangered animals that live underwater. First, Jeff helps conservationists save one of Florida’s most iconic species: the

Join host Jeff Corwin as he connects with some of the most threatened and endangered animals that live underwater. First, Jeff helps conservationists save one of Florida’s most iconic species: the gentle manatee. Later, Jeff comes face to face with a Kemp’s Ridley sea turtle - the most endangered sea turtle species on Earth. Finally, Jeff learns about endangered coral reefs and how biologists are racing to save them before it's too late. Video Transcript: Jeff Corwin: Our quest to connect with imperiled aquatic creatures begins on the pristine waters of the Silver River. Jeff Corwin: Just look how clean the water is here. We can see, in some cases, right to the bottom 20 plus  feet deep. We can see the various fish species milling about, big river turtles and large mouth bass, all of them sharing this vital habitat. Jeff Corwin: I'm here with Liz Neville from Defenders of Wildlife. Their mission is to help protect Florida's wetland wilderness. Jeff Corwin: This is old wild Florida, isn't it? Liz Neville: It is, Jeff. This to me is the reason to come to Florida. It's beautiful. The peace that I feel from being out here is unlike anything else. Jeff Corwin:  The Silver River flows into the mighty Ocklawaha River at the heart of the great Florida Riverway. This vast 217 mile system of rivers and springs flows north from central Florida to the Atlantic Ocean, and it's habitat for countless species, including manatees. Jeff Corwin: Manatees are typically 10 feet long and weighing upwards to a thousand pounds plus. They're curious, slow moving and spend much of their day grazing on sea grass. The greatest long term threat to manatee survival is the loss of warm water habitat. So restoring areas of natural warm water habitat will ensure that manatees will thrive into the future. Jeff Corwin: The beauty about Silver River is that it has a relatively constant temperature. So when we get those very dangerous cold snaps, which happen, here in Florida in winter, manatees can come here and survive. Jeff Corwin: Unfortunately, many manatees are cut off from places like Silver River due to manmade barriers. The Kirkpatrick Dam is a good example. It was built in the 1960s and has obstructed  the large scale migration of manatees ever since. Jeff Corwin: Restoring a free flowing Ocklawaha River will not only give manatees better access to Silver River and Silver Springs, but will also provide them with essential warm water winter habitat in many of Ocklawaha's 20 fresh water springs, which are currently not accessible due to high water levels from the dam. Jeff Corwin: The reality is there are decisions that happened decades ago that are impacting the  environmental integrity of Florida today. Liz Neville: Jeff, it's really about coexistence at the end of the day. So much of the appeal of living in Florida is the beautiful natural environment and the wildlife that we have, so the key to continuing the survival of species and also ensuring a good human quality of life is to work with nature and not against her. Jeff Corwin: The challenges that face Florida's coastline, wetlands, and waterways are a microcosm for our entire planet. Oceans provide us with an abundance of food and oxygen. They're great engines that regulate our climate and remove greenhouse gases like carbon dioxide. Wetlands act as giant filters that store and clean water. They're also a natural barrier that protect us from winds and tidal forces and provide incredible beauty, and of course, habitat for wildlife. But the watery worlds of our planet are under constant threat and many species, like Florida's iconic manatees, are struggling to survive. Jeff Corwin: In recent years, Florida waterways have seen a dramatic increase in harmful algae blooms. These algae blooms are killing other native vegetation that provide food to manatees and other species. Tragically today, more manatees are dying than any other time in Florida's recorded history. Conservationists are racing to save this keystone species before it's too late. Jeff Corwin: To help respond to the recent increase in manatee disease and mortalities, the US Fish  and Wildlife Service and the Florida Fish and Wildlife Conservation Commission are coordinating a statewide manatee rescue and rehabilitation partnership. One of these partner is the SeaWorld manatee rescue team in Orlando. They recently rehabilitated their 19th manatee this  year, a sick and emaciated female named Avana. Jeff Corwin: Over the last four months, Avana has been recovering nicely. This morning she was transferred to a temporary pool to prepare her for her incredible release back into the wild. Jeff Corwin: Four months ago, she was on death's door. She was emaciated, couldn't even swim. A village came together and rescued her. Today, she goes back to the wild where she belongs... We've hit our character limit. Leave us a comment for the rest of the transcript.

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Join NHI and Arizona Game and Fish Department's Jeff Meyers to explore Arizona's four wildcat species. Learn about these powerful, often misunderstood predators, from their fossil origins to current ecology, including the world's third-largest felid.

Jeff Meyers, a wildlife biologist for the Arizona Game & Fish Department, manages the Wildlife Viewing Program. With over 25 years in Arizona and a passion for mammalian carnivores, he educates the public on wildlife and habitat conservation through lectures, field events, and live streaming cams.

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Jeff Corwin joins conservationists in California to protect pinnipeds, including elephant seals and sea lions. Organizations like the Marine Mammal Care Center and Defenders of Wildlife are crucial in rescuing and rehabilitating these animals, which face severe threats from climate change, overfishing, habitat loss, and plastic pollution.

Corwin assists Dr. Lauren Palmer and Andy Johnson in rehabilitating four malnourished California sea lion pups, one of whom ingested plastic. After critical care, tagging, and weighing, the pups are successfully released back into the wild. This effort underscores the vital role of conservation in giving endangered animals a second chance and addressing environmental challenges for ecosystem health.

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Jeff Corwin begins in the historic city of Boston to help aid the recovery of peregrine falcons with Defenders of Wildlife staff. To learn more about the wildlife featured in the episode, visit

Jeff Corwin begins in the historic city of Boston to help aid the recovery of peregrine falcons with Defenders of Wildlife staff. To learn more about the wildlife featured in the episode, visit www.defenders.org/wildlifenation Video Transcript: Jeff Corwin: For today's adventure, we're heading to my home state of Massachusetts and a place called Deer Island in the middle of Boston Harbor.  This island is the location of a state of the art  massive wastewater treatment plant that cleans over 1200 million gallons of wastewater every day. It's also home for a family of peregrine falcons, the fastest animals on earth, capable of  reaching speeds of more than 200 miles an hour.   Jeff Corwin: I'm with Jacob Malcolm. He's the director of Defenders of Wildlife's Center for Conservation Innovation. So basically, you guys are trying to figure out how you integrate technology with policy and environmental stewardship to make it work. Dr. Jacob Malcolm: Yep. It's one of the most exciting parts about my work, is the fact that we get to work on solutions. It's really overlooked often that we do have lots of opportunities to do more for wildlife. Jeff Corwin: The peregrine falcons that live here are a perfect example of this. In the wild, falcons typically build their nests on high cliffs. So to give this species a helping hand in a dense urban environment, the Massachusetts Department of Fisheries and Wildlife have teamed up with the Massachusetts Water Resource Authority to put a special nesting box at the top of this 130 foot tall filtration tank. For a family of peregrine falcons, this is the perfect penthouse. Jeff Corwin: I mean, that's kind of amazing, right? With a little bit of ingenuity and a little bit of environmental  stewardship, you can find that balance where creatures like the ultimate bird of prey can share a habitat that also belongs to human beings. Dr. Jacob Malcolm: The fact that we're here to band some peregrine falcons at a wastewater treatment facility with Boston right there just goes to prove it. Jeff Corwin: Jacob is a wildlife biologist, but you've never banded a peregrine falcon. Dr. Jacob Malcolm: I have not. Jeff Corwin: You ready? Dr. Jacob Malcolm: I'm ready. Jeff Corwin: All right, let's do it. Dr. Jacob Malcolm: Let's do it. Jeff Corwin:  In one of the most successful conservation stories in the history of our country, peregrine falcons were brought back from the brink of extinction, thanks to decades of hard work by dedicated people and organizations. To keep track of this species' recovery, biologists place small identification bands around the legs of every falcon chick they find. Today, we're helping wildlife biologist, Dave Paulson, and his team from the Massachusetts Division of Fisheries and Wildlife to band the falcon chicks that live at the top of this tower. Jeff Corwin: But first, we'll need to face some strong winds and some very devoted and determined parents. Dave Paulson: Now, Jeff, be real careful with this. Jeff Corwin: Be real careful. Wow. Jeff Corwin: As soon as we open the door, we see her, a mother peregrine falcon, ready to protect her nest and her offspring at any cost.  As soon as we remove the guardrails and step onto the catwalk... Dave Paulson: She's coming right in for you. Jeff Corwin: She begins to dive bomb our team with incredible speed. Dave Paulson: Coming in hot. She's coming in from below. Come on go right to the box. Jeff Corwin:  This right here is a nesting box for a peregrine falcon. Dave Paulson: She's getting close, getting close, getting close. Jeff Corwin: Above us we have two very, very devoted, I would say slightly aggressive. Dave Paulson: Yep. Jeff Corwin: Peregrine falcons. They're a bonded pair. And this female, she wants us to have nothing to do with her next generation, what for her is the most precious thing in the world. Dave Paulson: I know everyone's focused on her, but if someone wants to keep a peripheral open for or the other one. Dave Paulson: Right up there. Jeff Corwin: We got to be very careful. We're being dive bombed by these parents. And it's a long way down. Dr. Jacob Malcolm: It is. Jeff Corwin: So inside we have... Ah, look at that. We have these. Oh my gosh. Look at this. Look at that. Dr. Jacob Malcolm: It's fantastic. Gigantic eye, sharp beak, great talons. Built for speed and flight. Jeff Corwin: Just take a moment to reflect at what we're doing. We're holding a species that in this part of  the world was extinct for almost 30 years. Today we have 50 pairs successfully surviving and breeding. Dave Paulson: Correct, 50 known pairs here in Massachusetts. And the big thing here is most of these aren't  on natural cliff sites. You're talking buildings, bridges, quarries. They've really take  to the developed landscape really well. We've hit our character limit. Leave us a comment for the rest of the transcript.

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Join host Jeff Corwin on an adventure in his home state of Massachusetts. Jeff returns to his roots to help conservationists save a collection of iconic New England wildlife, including an owl ready

Join host Jeff Corwin on an adventure in his home state of Massachusetts. Jeff returns to his roots to help conservationists save a collection of iconic New England wildlife, including an owl ready to be released. To learn more about the wildlife featured in the episode, visit www.defenders.org/wildlifenation Video Transcript: Jeff Corwin: Today, we're in my home state of Massachusetts and we're heading to the New England Wildlife Center. The center provides veterinary care to sick, injured, and orphaned wildlife from raccoons to opossums to owls, squirrels, and hawks. The dedicated staff put a lot of time and caring to rehabilitating each animal that comes through their doors. Jeff Corwin: For me, what I love about New England, specifically Massachusetts is that, Lindsay, when it comes to nature, there's so many surprises. I don't think a lot of people give New England the credit it deserves when it comes to amazing wildlife and habitat. Dr. Lindsay Rosa: They don't, Jeff and in fact, growing up here, I always thought it was wonderful I didn't have to go far across the country to a national park to see wildlife. I had bear and bobcat in my backyard.  Jeff Corwin: This is Lindsay Rosa. She's the senior conservation officer with Defenders of Wildlife, and I'm bringing her to one of my most favorite wildlife conservation centers on the planet. It is called the New England Wildlife Center. And I have worked with the New England Wildlife Center since I was about 13 or 14 years old and it has been such a joy for me to watch them grow and thrive. And their success is largely the result of the challenges that they face. Why are we having so many challenges in protecting species today? Dr. Lindsay Rosa:  The more that we continue to grow and spread from cities like Boston, the more we're encroaching into these habitats, which is why conservation comes in so many shapes and sizes and colors now from protecting a plot of land for species to doing some of the great rehabilitation work that's going on at the center. Jeff Corwin: Well, speaking of great rehabilitation work, I think you're going to love what these folks are doing. They're good friends of mine. It's going to be an amazing experience. You ready?  Dr. Lindsay Rosa: I'm ready.  Jeff Corwin: All right, let's go do it. Zachary Mertz: This guy came in about three weeks ago. He was really debilitated, just pretty dazed, stumbling from side to side, which are all hallmarks of lead poisoning.  Jeff Corwin: Did it eat the lead or was it shot?  Zachary Mertz: Very often it's trying to get a meal at the bottom of a pond, at the bottom of a lake and they accidentally eat a fishing sinker, accidentally eat an old shotgun shell. Gregory Mertz: When lead goes in the body, it circulates in the blood and it attaches to the different nerve endings  and as a result causes neurological disease.  Jeff Corwin: Lead poisoning from pollution or contamination, but especially from shotgun shell shot that has lead has had a powerful impact in wildlife, hasn't it? Dr. Lindsay Rosa:  Yeah. In fact, Jeff millions of birds every year are poisoned with lead and it's a big problem to the point that, various countries and states are now taking action and we've noticed changes and even recovery. Jeff Corwin:  So the good news is there are viable alternatives-  Dr. Lindsay Rosa: There are.  Jeff Corwin: ... that work. So what do we need to do today?  Gregory Mertz: What we want to do is get that lead to release. So we add something called calcium EDTA, and that is fairly reactive with lead itself. It will pick it up and allow it to be washed out of the body. Jeff Corwin: In order to continue the healing process the swan gets an injection of calcium EDTA. Swans, they are incredibly resilient. They can survive a dose of lead poisoning that would kill a human being, which is kind of amazing. Jeff Corwin: And finally, after making a full recovery, the swan is released back into the same lake where it was found. We've had an incredible time helping out at the New England Wildlife Center. There's one final animal ready to be released back into the wild, this beautiful barn owl. Lindsay, Greg and I are releasing it into a protected habitat. Jeff Corwin:  Lindsay, why do you think a moment like this is important?  Dr. Lindsay Rosa: This habitat as well as most across the nation, we share it with our wildlife neighbors and really we have to be mindful about what we're doing. We know that lead and rodenticide are poisonous. We all have to keep our wildlife neighbors safe.  Jeff Corwin: You can't protect what you do not love, and you'll never love it if you don't get to meet it and that's why we go in these journeys. So are you ready, Lindsay, to do this? Dr. Lindsay Rosa: I'm ready, Jeff. Jeff Corwin: 3, 2, 1. Oh, there it goes... We hit our character limit. Leave us a comment for the rest of the transcript!

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Urbanist Jeff Speck addresses the problem of suburban car dependence, which he calls "a gas-belching, time-wasting, life-threatening prosthetic device." He proposes making cities more walkable and pleasant to free people from reliance on cars.

Speck highlights Portland, Oregon's early commitment to bicycles and walkability in the 1970s as a successful model. This TEDTalks presentation, published on October 14, 2013, advocates for Portland's "new way" of urban development.

Find closed captions and translated subtitles at http://www.ted.com/translate.

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Join host Jeff Corwin on a conservation adventure, beginning in California's Big Sur to help save the majestic California condor. At the Ventana Wildlife Society, Corwin assists in preparing juvenile condors for release into the wild. This iconic bird, North America's largest, was rescued from a population of just 22 individuals in 1982 through a dedicated captive breeding program. Today, approximately 500 condors exist worldwide, with about 300 flying free across the American West and Mexico.

Corwin then travels to his home state of Massachusetts to work with the Department of Fish and Wildlife. His mission there is to protect the unique saltmarsh sparrow, a species vital to the delicate salt marsh habitats of the East Coast.

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Join Jeff Corwin as he investigates critical mammal conservation challenges. He reveals that nearly a quarter of all mammals face extinction, with wild species comprising only 4% of global mammal biomass. Corwin focuses on New England's orphaned black bear cubs, increasingly threatened by habitat loss and human proximity.

At the Kilham Bear Center, caregivers like Ethan Kilham raise these cubs, mimicking a mother bear to ensure they remain wild. The aim is to prepare them for release at 18 months, minimizing human interaction. The program showcases the careful process of sedating, health-checking, and tagging cubs like Flower and Dover before their successful return to the wild.

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Join host Jeff Corwin on an epic adventure across the Great Plains of the United States on a mission to understand the connection between the incredible species that call it home. First, Jeff travels

Join host Jeff Corwin on an epic adventure across the Great Plains of the United States on a mission to understand the connection between the incredible species that call it home. First, Jeff travels to the Canadian border to help Native American tribes re-establish bison across tribal lands. Jeff learns how ancient bison herds once shaped the Great Plains and how modern conservationists are fighting to bring those herds back. Later, Jeff works with biologists to manage a delicate population of black-footed ferrets, a species once believed to be extinct. Jeff discovers how wild bison play a vital role in ferret survival and the survival of the Great Plains themselves. Video transcript: Jeff Corwin: Welcome to Northeast Montana, home of the Assiniboine and Sioux Tribes of the Fort Peck Indian community. I'm with Jonathan Proctor, from Defenders of Wildlife. It's now about minus nine. Look at our backdrop, we've got American bison. John, they are forever interconnected to this ecosystem. Jonathan Proctor: Yes, this is one of the most important keystone species in the entire Great Plains. This species had an outsized importance, numerous impacts on the environment that benefited a whole host of other wildlife. Jeff Corwin: The bison behind us are descendants of a great and ancient herd, over 30 million animals that moved like a living wave across North America. But this species was nearly wiped out with the western expansion of America and industrial hunting. The deliberate mass slaughter of bison was devastating to the Great Plains, and especially to the native tribes that depended upon them as a food and cultural resource. Tragically, at the start of the 20th century, fewer than 1000 American bison were left alive. Jonathan Proctor: The loss of the bison historically, about a hundred years ago, had ripple effects throughout the entire Great Plains. All of the predators and scavengers that depended on the bison for food disappeared as a result. Bison graze down the grass, which benefit prairie dogs, and so many other species depend on prairie dogs. So when the bison were removed, the whole system unraveled. Jeff Corwin: So, the big challenge we face is to reintegrate them into the ecosystem because this environment, the prairie needs the bison. Jonathan Proctor: To achieve that goal, we need to restore at least 10 large bison herds back to the Great Plains. When we get to that level, we will have truly saved the bison and the environment that it once evolved in and helped create. Jeff Corwin: Leading the charge is the Intertribal Buffalo Council, a group of 76 native tribal communities working to establish new and wild bison herds across the Great Plains. This morning, Robbie Magnan and his team are moving 56 bison from Montana to their new home in Oklahoma. Robbie, for the many tribal communities, bison are so very important, even today. Robbie Magnan: Yes, that's very much so. They're helping us restore our culture, because they've always been part of our culture. And now, we have our opportunity to reconnect with them and restore our culture with them. Jeff Corwin: But here's the thing, we can't get these bison to Oklahoma until we corral them, and that my friends, is going to be a challenge. You ready to do this? Robbie Magnan: Yeah. Jeff Corwin: All right, let's go. Speaker 4: All right, look sharp, stay together. Jeff Corwin: So, what is the plan, Robbie? Robbie Magnan: The buffalo are in a temporary holding pen that we have to round them up. Sometimes it's not so easy. Follow me! Jeff Corwin: Woo, hold on. So you can kind of see what we're trying to do, right here. It's a little bit of chaos, organized chaos. And what we're trying to do is move them into the corral, make sure they're healthy, and then share them with another Native American community. Ooh. Robbie Magnan: You okay? Jeff Corwin: Yeah. Ooh, rock. Rock. Robbie Magnan: Take what you got. Take what you got, guys. Take what you got! Speaker 5: Here they come. Jeff Corwin: Okay, so we didn't get the whole herd, but we've got about half the herd, right here. We're moving them down this quarter and into the corral they go. Robbie, who do I invoice my chiropractor bill to? Now that we've got almost half the herd into the pen, Robbie guides them into a series of smaller quarters. Here, they can be individually identified and have their final health checks before their trip to Oklahoma. Robbie Magnan: Okay, get in there. Jeff Corwin: All right, all right, there we go. We've hit our character limit. Leave a comment for the rest of the transcript.

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