10 Fascinating Facts About Earth Day

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Every year on April 22, trees are planted, litter is cleaned up, and awareness for the issues plaguing the planet are raised. In honor of the holiday, now in its 48th year, we’ve gathered together 10 fascinating facts about Earth Day.

1. EARTH DAY WAS CREATED THROUGH THE TIRELESS EFFORTS OF WISCONSIN SENATOR GAYLORD NELSON.

Senator Gaylord Nelson arrived in Washington in 1963 looking to make the fledgling conservation movement, sparked in part by Rachel Carson’s New York Times Bestseller Silent Spring, a part of the national discourse. After witnessing the aftermath of an oil spill in California in 1969, Nelson doubled down on his commitment to raising environmental awareness. Drawing inspiration from the energetic anti-war movement of the time, he enlisted support from both sides of the political spectrum, and on April 22, 1970, Earth Day was born.

2. JOHN F. KENNEDY PLAYED A ROLE IN EARLY EFFORTS TO PROMOTE ENVIRONMENTAL CONSERVATION.

In 1963, Gaylord Nelson proposed a "conservation tour" to Attorney General Robert F. Kennedy and Arthur Schlesinger, a member of President Kennedy’s "Best and Brightest" cabinet. Schlesinger privately endorsed the idea to the President, while Nelson wrote a direct memo to Kennedy, a bold move for a freshman senator from Wisconsin. Kennedy, however, was incredibly receptive, and on September 24, 1963, JFK embarked on a conservation-themed multi-state tour. The President, accompanied by Secretary of the Interior Stewart Udall, Secretary of Agriculture Orville Freeman, as well as Nelson and a few additional senators, visited 11 states in five days. Nelson was disappointed in the President’s speeches, saying they "didn’t have much sweep or drama to them." In addition, members of the press ignored environmental issues and instead focused their questions on the tense nuclear situation with the Soviet Union. It would be another seven years until Earth Day became a reality.

3. THE FIRST EARTH DAY SAW 20 MILLION AMERICANS TAKE TO THE STREETS.

Children sweeping a city park in New York City on Earth Day, circa 1970s. Getty

The first Earth Day marked a strange combination of boisterous rallies and sober reflection on the state of the planet. Protests, demonstrations, fundraisers, nature walks, speeches, concerts, and every sort of civic gathering imaginable took place at colleges, VFW halls, public squares, and parks across the United States on April 22, 1970. Environmental crusaders found themselves thrust into the limelight, and pop culture icons like poet Allen Ginsberg were asked to speak on behalf of Mother Earth. Some of the more colorful displays of the day included mock trials for polluting objects, like an old Chevrolet, which was sentenced to death by sledgehammer. (The car ultimately survived the beating and was donated to an art class.) In New York City, Earth Day celebrations effectively shut down parts of the city. Twenty thousand people packed into Union Square to see Paul Newman and hear a speech by Mayor John Lindsay, who arrived on an electric bus.

4. THE DATE OF EARTH DAY WAS SPECIFICALLY SELECTED TO MOBILIZE COLLEGE STUDENTS.

To head up the Earth Day project, Senator Nelson enlisted Denis Hayes, then a graduate student at Harvard University. As national coordinator, Hayes recruited a staff of 85 energetic young environmental crusaders and grassroots organizers, along with thousands of field volunteers, in order to promote the fledgling holiday across the nation. The team knew that in order to gain the most traction, college students would need to play a central role, as they did in the Vietnam protests of the era. The date that Hayes selected for the first Earth Day was calculated choice: April 22 on most college campuses falls right between Spring Break and Final Exams.

5. EARTH DAY FACED CRITICISM FROM THE VERY BEGINNING.

According to Grist, the first Earth Day faced staunch opposition from conservative groups like the John Birch Society, who claimed that the event was a thinly veiled attempt to honor the 100th anniversary of the birth of Vladimir Lenin. In addition to detractors on the far right of the political spectrum, bleeding-heart environmental crusaders weren’t satisfied either. Earth Day, they claimed, simply served as a distraction from the more pressing social issues of the day. Journalist I.F. Stone said, "The country is slipping into a wider war in Southeast Asia and we’re sitting here talking about litterbugs." Critics of the holiday also point to the trend of "greenwashing," an attempt by corporations with poor environmental track records to appear conscientious if only once a year.

6. EARTH DAY SPARKED AN UNPRECEDENTED SLATE OF ENVIRONMENTAL LEGISLATION.

Students assemble a globe on the National Mall in Washington D.C. in 1995. Getty

With bipartisan support in Congress and thousands of civic demonstrations across the country, support for environmental reform in 1970 was undeniable. According to the EPA, "Public opinion polls indicate that a permanent change in national priorities followed Earth Day 1970. When polled in May 1971, 25 percent of the U.S. public declared protecting the environment to be an important goal, a 2500 percent increase over 1969." The 1970s saw the passage of the most comprehensive environmental legislation in U.S. history, including the Clean Air Act, the Water Quality Improvement Act, the Endangered Species Act, the Toxic Substances Control Act, and the Surface Mining Control and Reclamation Act. In addition, just 8 months after the first Earth Day, Richard Nixon approved the creation of a new organization tasked with monitoring the nation’s natural assets: the Environmental Protection Agency.

7. ALTHOUGH IT BEGAN AS AN AMERICAN MOVEMENT, EARTH DAY IS NOW AN INTERNATIONAL PHENOMENON ...

In 1990, Earth Day expanded to include countries and peoples across the globe, with 200 million people in 141 nations getting involved. A decade later, at the turn of the new millennium, Earth Day shed light on the emerging Clean Energy movement and expanded its reach, spreading to 184 countries with the help of 5000 environmental organizations. Global activities included a massive traveling drum chain in Gabon, Africa and an unprecedented gathering of hundreds of thousands of concerned citizens at the National Mall in Washington, D.C. According to Earth Day Network, after 40 years, more than 1 billion people participate in Earth Day activities, making it the largest secular civic event in the world.

8. ... AND INTERNATIONALLY, IT'S KNOWN AS INTERNATIONAL MOTHER EARTH DAY.

Thai students paint a wall at the U.S. embassy in Bangkok for Earth Day, 2005. Getty

Earth Day is now observed around the world, albeit under a different name: In 2009, the United Nations General Assembly decided to designate April 22 as International Mother Earth Day. The symbol of Mother Earth serves as a common metaphor and representation of our planet in many countries and cultures. In the United States, the holiday is still commonly referred to as Earth Day.

9. IN 2009, NASA PLANTED A HISTORIC "MOON TREE" TO CELEBRATE EARTH DAY.

During the Apollo 14 moon mission in 1971, astronaut Stuart Roosa brought with him hundreds of tree seeds including Loblolly Pine, Sycamore, Sweetgum, Redwood, and Douglas Fir. Roosa was a former smokejumper for the U.S. Forest Service, and he transported the seeds in his personal effects as a tribute to his former employer. Roosa and his seeds orbited the Moon 34 times in the command module Kitty Hawk. Scientists were curious whether or not exposure to the microgravity of space would impact the growth of these seeds when returned to Earth.

The experiment seemed like a lost cause when, during the post-mission decontamination process, the seed canisters broke open and the seeds were thought to be useless. However, most of the tree seeds were still fit for germination and were successfully planted and cultivated. These trees were planted around National Monuments, as well as in sites all over the world. After decades of growing side-by-side with their Earth cousins, the Moon Trees showed no differences at all. On Earth Day 2009, NASA, in partnership with the United States National Arboretum and American Forests, planted a second generation Moon Sycamore on the arboretum’s grounds in Washington, D.C.

10. IN PREPARATION FOR EARTH DAY'S 50TH ANNIVERSARY IN 2020, A NEW ENVIRONMENTAL THEME WILL BE ANNOUNCED EVERY YEAR FOR THE NEXT FIVE YEARS.

For Earth Day 2016, the environmental theme of choice was trees. The Earth Day Network has announced the ambitious plan to plant 7.8 billion trees over the next five years. Trees are essential tools in the fight for a cleaner, sustainable environment. According to the Earth Day Network, in one year a single acre of mature trees absorbs the same amount of carbon dioxide produced by driving the average consumer car 26,000 miles. Nearly 8 billion may seem like a daunting number, but similarly ambitious plantings have been undertaken in the past. Earth Day 2011 saw the planting of over a million new trees in Afghanistan.

The theme for Earth Day 2017 is Environmental and Climate Literacy and seeks to increase knowledge amongst voters and work to advocate for climate laws and policies that will accelerate green technology, jobs, and environmental protection. 

This story originally ran in 2016.

25 Benefits of Adopting a Rescue Dog

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According to the ASPCA, 3.3 million dogs enter shelters each year in the United States. Although that number has gone down since 2011 (from 3.9 million) there are still millions of dogs waiting in shelters for a forever home. Here are 25 benefits of adopting a shelter dog.

1. Adopting a dog means you won't be supporting puppy mills.

A closeup of a dog's nose sticking out from between green bars.
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If you go to a pet store or to a disreputable breeder to buy that adorable puppy, it's entirely possible that it's from a puppy mill, where dogs are kept in terrible conditions. By adopting a rescue, you can help lower the demand for puppies from puppy mills.

2. You can find almost any breed you want.

A beagle puppy standing on a stone walkway.
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Is your heart set on a specific breed? There's a wide network of breed-specific rescues out there. Just spend a little time online and you can get the dog of your dreams without resorting to buying from puppy mills.

3. Shelter dogs are eager to follow your lead.

A woman holding up her finger to a dog.
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A 2016 study that appeared in Journal of Veterinary Behavior: Clinical Applications and Research analyzed problem solving in dogs in homes (what they called "pet dogs") versus shelter dogs. The researchers found that although pet dogs are better at following human pointing, shelter dogs "seem to be more socially driven to gaze and interact with humans" when compared with pet dogs, which they say is likely due to the shelter dogs' "generally limited and poor-quality contact with humans." But the researchers also pointed out that with increased human exposure, the shelter dogs were trainable.

4. A rescue dog might help you get a date.

Two people from the knees down standing close together with a black and white dog between them.
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According to Slate, one survey found that "82 percent of people [felt] more confident approaching an attractive person if they had their dog with them." Another study cited by Slate found that in the modern world of dating apps, people with dogs look more approachable and happy than those who are dogless.

5. You can share your audiobook collection with them.

A young girl reads a book to her Pomeranian.
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There have been several studies on the best ways to calm dogs in kennels [PDF]. Classical music seems to work well, but a 2016 study found that compared to other "auditory conditions," kenneled dogs were more relaxed while audiobooks were playing. Cesar Milan then did his own tests and found that 76 percent of his volunteer dogs were more relaxed at home while listening to audiobooks—and teamed up with Audible to create a specialized audiobook service. Just be careful: soon your rescue pup will be better read than you.

6. Rescue dogs can transform in dramatic ways in a forever home.

A happy dog with his tongue out sitting in a field of flowers.
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Thanks to those heart-wrenching ASPCA/Sarah McLachlan commercials, everyone is familiar with how sad a dog can appear in a shelter. But once adopted, dogs' attitudes can change dramatically. In 2008, Italian researchers published a paper about a shelter dog named Daisy that they placed into a facility for people suffering from Alzheimer’s disease. Although in the shelter Daisy had groomed so much that she developed a skin lesion, in the six months that she lived at the facility, her over-grooming lessened, she was healthy, and she "displayed no aggressive or sexual behavior, even when in heat." And the calming effect seemed to go both ways: the researchers reported, the people in the facility experienced "many positive effects of Daisy's presence."

7. Shelter pets come with benefits.

A dog running through the grass with an orange ball in its mouth.
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Whether you get your pet at a breed-specific rescue or from a normal shelter, you'll often have access to resources about your fuzzy new family member, and maybe even classes on how best to take care of them.

8. Shelter dogs are typically up-to-date on all their shots.

A vet giving a shot to a golden retriever puppy.
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Depending on the shelter, shelter dogs may already be vaccinated and microchipped (or the shelter will perform these services for a small fee)—which means you can get straight to cuddling your new pet instead of making vet appointments.

9. Shelter dogs may also already be spayed or neutered.

A vet looking into a dog's ear.
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More than half of states have laws requiring "releasing agencies" (a.k.a. shelters) to spay or neuter dogs they adopt out. While the pet sometimes isn't fixed until you adopt it, frequently it's already been spayed or neutered. Check with your local adoption center.

10. By adopting a dog, you're helping to keep the unwanted pet population down.

A lazy bulldog lying on a rug.
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If you happen to adopt a dog that isn't fixed, you can still help prevent pet overpopulation (especially in the wild) by keeping it in the house and away from other unfixed dogs of the opposite sex. (But seriously, get your pets fixed!)

11. Rescue dogs may be easier to housetrain.

A small dog holding a leash in its mouth.
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Many adult shelter dogs are already housebroken when you adopt them. But because the dog may have a history that prevented such training (such as never being allowed inside the house), you shouldn't go in expecting a house-trained pet. If your new pupper isn't house-trained, there are resources out there that can help you reach that goal; many say that adult dogs have an easier time getting the hang of it.

12. Adopt and older dog and you can skip the puppy stage.

A dachshund puppy plays with a shoe outside in grass.
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Yes, puppies are adorable. They're also full of energy and require a lot of time, training, attention, and patience. It can be tough to fit an energetic puppy into a hectic life. Adopting an older dog from a shelter allows you to skip the puppy stage altogether, which can mean an easier transition from not having a pet to being a pet owner. It also (hopefully) means you may avoid having your slippers, running shoes, pillows, furniture, and doors gnawed on by sharp little puppy teeth.

13. If you adopt an older dog, you'll have a better idea of their temperament.

An older dog sitting in the grass with his tongue sticking out.
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An analysis of many studies found that the "personality" of an adult dog is fairly consistent. Puppies, on the other hand, can change personality a fair amount, especially when it comes to "responsiveness to training, fearfulness, and sociability." So by getting an adult dog, you have a better idea of what the animal's personality is truly like.

14. A shelter can help match you with a dog that best reflects your personality.

A red haired woman holding a white dog, both laughing.
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Because adult dogs are generally more fixed in their personalities, many adoption centers have matching programs that help the process of pairing dog and human. The ASPCA claims the programs have dramatically improved successful adoptions at some shelters.

15. You'll feel more involved in the community.

A businessman walking his dog and talking to another dog owner.
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According to a 2013 study, dog owners over 50 who walked their dogs felt a higher sense of community. So adopting a dog can help you connect to your neighbors.

16. A dog can improve your health.

Woman working on her computer getting a kiss on the face from her dog.
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A study of Mexican dog owners versus non-dog owners found that the dog owners felt that they were healthier: "Compared to non–dog owners, the dog owners' scores were significantly lower for psychosomatic symptoms and stress and were higher for general health, vitality, emotional role, absence of bodily pain, social functioning, and mental health."

17. Your kids will play more if you have a dog.

A group of kids petting a dog.
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It's not just adults who experience health benefits from having a dog; another study found that child dog walkers played outside more and were more likely to walk in the neighborhood.

18. Adopting a pet helps small wild animals.

A dog looking for a squirrel up in a tree, but the squirrel is on the other side of the tree.
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As one of the most common predators in human areas, dogs can easily do great harm to local wildlife. By keeping dogs out of the wild (whether that's the city or the countryside), you can help reduce the numbers of truly wild animals that are preyed upon by what are supposed to be pets.

19. Adopting a dog can limit the spread of disease.

A yellow lab staring up at the camera.
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Feral dogs can also have disastrous effects on wild animals in regards to disease. For instance, the black-footed ferret was nearly driven to extinction by canine distemper. By keeping dogs out of the environment and up-to-date on all their necessary shots and vaccinations, adopters help many other animals, too.

20. You could have a movie star on your hands.

A dog wearing a bowtie, standing behind a slate for a movie.
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A surprising number of actual canine movie stars came from shelters. The original Benji was adopted from a shelter; Rudy, one of the 22 dogs that played Marley in the film Marley and Me, was just 24 hours away from being put down before he was rescued; and Spike, the star of Old Yeller, was adopted from Van Nuys Animal Shelter, supposedly for $3.

21. A rescue dog might have experience living in a home, making the move from shelter to your home an easier transition.

A dog on its back on a carpet.
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Some shelters have foster programs, where the dog is sent out to live with a volunteer in an actual house. Not only does this give the dog a chance to be away from the shelter, but it gives the humans looking after the pup a chance to see how the dog reacts in a less controlled environment—hopefully making the future forever home transition easier.

22. Even volunteering to foster has its benefits.

A woman walking a dog in the park.
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If you're not quite ready to adopt, consider fostering, which has a number of benefits for you and for the dogs you're housing. According to one researcher, overweight participants in a "loaner" dog walking program lost an average of 14 pounds because they felt "the dogs need us to walk them." Other participants in a community dog walking program were inspired to increase their exercise even when they weren't walking dogs.

23. You can help shelters modernize.

A chihuahua sitting on a cushion in an animal shelter.
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Shelters across the country are modernizing their facilities—which can sometimes be a very expensive prospect. The adoption fee you pay to the shelter to take your dog home will help the facility get the resources to give future dogs a better shelter experience.

24. By adopting a dog, you're saving at least one life.

A happy dog with its tongue sticking out lying on flowers.
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By giving a dog in a shelter a second chance, you can make sure it has a great life.

25. In reality, you're probably saving more than one life.

A dog running with a stick in its mouth; all four feet are off the ground.
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By adopting a dog, you open up a space in the shelter that can be filled by another future pet. And by supporting your local shelter, you help their mission to save many more.

But remember, a pet of any kind is a massive commitment. Some estimate that "more than 20 percent of people who leave dogs in shelters adopted them from a shelter." And studies have found that much of the problem is people not knowing what they're getting into. So make sure that you have the time and energy to devote to a pet, and do your research before adopting.

This story has been updated for 2019.

25 Species That Have Made Amazing Comebacks

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Conservationists can't afford to become complacent. When it comes to rescuing endangered species, progress is an ongoing effort. Still, we can take comfort in the knowledge that many organisms once on the brink of extinction or endangerment have made tremendous comebacks with our help. Just look at what happened to these 25 plants and animals.

1. THE BALD EAGLE

close-up of a bald eagle
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For much of the 20th century, this American icon was in jeopardy. Habitat loss, hunting, and the widespread use of DDT—an insecticide that weakens avian eggshells—once took a major toll on bald eagles. By 1963, the species population in the lower 48 states had fallen from an estimated 100,000 individuals to just 417 wild pairs. To turn things around, the U.S. government passed a series of laws, including a 1973 ban on DDT that was implemented by the Environmental Protection Agency (EPA). These efforts paid off; today, approximately 10,000 wild breeding pairs are soaring around in the lower 48.

2. THE ARABIAN ORYX

an arabian oryx in the desert
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The Arabian oryx is a desert antelope indigenous to the Middle East. Reckless hunting devastated the species, which became essentially extinct in the wild during the early 1970s. However, a few were still alive and well in captivity. So, in the 1980s, American zoos joined forces with conservationists in Jordan to launch a massive breeding program. Thanks to their efforts, the oryx was successfully reintroduced to the Arabian Peninsula, where over 1000 wild specimens now roam (with a captive population of about 7000).

3. THE GRAY WOLF

Gray wolf stalking prey in the snow
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Even well-known conservationists like Theodore Roosevelt used to vilify America’s wolves. Decades of bounty programs intended to cut their numbers down to size worked all too well; by 1965, only 300 gray wolves remained in the lower 48 states, and those survivors were all confined to remote portions of Michigan and Minnesota. Later, the Endangered Species Act enabled the canids to bounce back in a big way. Now, 5000 of them roam the contiguous states.

4. THE BROWN PELICAN

Brown pelican
CarolinaBirdman/iStock via Getty Images

Louisiana’s state bird, the brown pelican, is another avian species that was brought down by DDT. In 1938, a census reported that there were 500 pairs living in Louisiana. But after farmers embraced DDT in the 1950s and 1960s, these once-common birds grew scarce. Things got so bad that, when a 1963 census was conducted, not a single brown pelican had been sighted anywhere in Louisiana. Fortunately, now that the era of DDT is over, the pelican is back with a vengeance on the Gulf Coast and no longer considered endangered.

5. ROBBINS’ CINQUEFOIL

Robbins' Cinquefoil
U.S.D.A. Forest Service, Wikimedia Commons // Public Domain

Noted for its yellow flowers, Robbins’s cinquefoil (Potentilla robbinsiana) is an attractive, perennial plant that’s only found in New Hampshire’s White Mountains and Franconia Ridge. Collectors once harvested the cinquefoil in excessive numbers and careless backpackers trampled many more to death. In response, the U.S. Fish and Wildlife Service re-routed hiking trails away from the flower’s wild habitats. This, along with a breeding program, rescued the Robbins' cinquefoil from the brink of extinction.

6. THE AMERICAN ALLIGATOR

American alligator on a log
Joe Pearl Photography/iStock via Getty Images

With its population sitting at an all-time low, the American alligator was recognized as an endangered species in 1967. Working together, the Fish and -Wildlife Service and governments of the southern states took a hard line against gator hunting while also keeping tabs on free-ranging alligator populations. In 1987, it was announced that the species had made a full recovery [PDF].

7. THE NORTHERN ELEPHANT SEAL

Elephant seal winking
franksvalli/iStock via Getty Images

Due to its oil-rich blubber, the northern elephant seal became a prime target for commercial hunters. By 1892, some people were beginning to assume that it had gone extinct. However, in 1910, it was discovered that a small group—consisting of fewer than 100 seals—remained on Guadalupe Island. In 1922, Mexico turned the landmass into a government-protected biological preserve. From a place of security, that handful of pinnipeds bred like mad. Today, every single one of the 160,000 living northern elephant seals on planet Earth are that once-small group’s descendants.

8. THE HUMPBACK WHALE

humpback whale
miblue5/iStock via Getty Images

Did you know that the world’s humpback whale population is divided into 14 geographically-defined segments? Well, it is—and in 2016, the National Ocean and Atmospheric Administration (NOAA) informed the press that nine of those clusters are doing so well that they no longer require protection under the U.S. Endangered Species Act. The cetaceans’ comeback is a huge win for the International Whaling Commission, which responded to dwindling humpback numbers by putting a ban on the hunting of this species in 1982. (That measure remains in effect.)

9. The Fin Whale

Fin whale near Greenland
Aqqa Rosing-Asvid—Visit Greenland, Wikimedia Commons // CC BY 2.0

Commercial whaling decimated global populations of fin whales, the second-largest species of baleen whale on Earth. In the 1970s, international coalitions banned fin whale hunting in the Southern Hemisphere and the North Pacific, and legal catches were reduced in the North Atlantic in the 1990. Though three countries—Norway, Iceland, and Japan—continue to hunt whales for oil and meat, the IUCN reported in 2018 that the fin whale population has doubled since the 1970s.

10. THE WHITE RHINO

White rhino adult and calf
Marcello Calandrini/iStock via Getty Images

Make no mistake: The long-term survival of Earth’s largest living rhino is still very uncertain because poachers continue to slaughter them en masse. Nevertheless, there is some good news. Like black-footed ferrets and northern elephant seals, white rhinos were once presumed to be extinct. But in 1895, just under 100 of them were unexpectedly found in South Africa. Thanks to environmental regulations and breeding efforts, more than 20,000 are now at large.

11. THE WILD TURKEY

two male wild turkeys
Lois_McCleary/iStock via Getty Images

It’s hard to imagine that these birds were ever in any real trouble, and yet they looked destined for extinction in the early 20th century. With no hunting regulations to protect them, and frontiersmen decimating their natural habitat, wild turkeys disappeared from several states. By the 1930s, there were reportedly fewer than 30,000 left in the American wilderness. Now, over 6 million are strutting around. So what changed? A combination of bag limits set by various agencies and an increase in available shrublands.

12. THE BLACK-FOOTED FERRET

black-footed ferret
USFWS Mountain-Prairie, Flickr // CC BY 2.0

North America’s only indigenous ferret is a prairie dog-eater that was written off as “extinct” in 1979. But the story of this animal took a surprising twist two years later, when a Wyoming dog gave a freshly dead one to its owner. Amazed by the canine’s find, naturalists soon located a wild colony. Some of these ferrets were then inducted into a breeding program, which helped bring the species’ total population up to over 1000.

13. THE CALIFORNIA CONDOR

portrait of a California condor
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Since 1987, the total number of California condors has gone up from 27 birds to about 450, with roughly 270 of those being wild animals (according to a 2016 count by the FWS). With its 10-foot wingspan, this is the largest flying land bird in North America.

14. THE GOLDEN LION TAMARIN

two tamarins
Enjoylife2/iStock via Getty Images

A flashy orange primate from Brazil’s Atlantic Forest, the golden lion tamarin has been struggling to cope with habitat destruction. The species hit rock-bottom in the early 1970s, when fewer than 200 remained in the wild. A helping hand came from the combined efforts of Brazil’s government, the World Wildlife Federation, public charities, and 150 zoos around the world. There’s now a healthy population of captive tamarins tended to by zookeepers all over the globe. Meanwhile, breeding, relocation, and reintroduction campaigns have increased the number of wild specimens to around 1700—although urban sprawl could threaten the species with another setback. But at least the animal doesn’t have a PR problem: Golden lion tamarins are so well-liked that the image of one appears on a Brazilian banknote.

15. THE ISLAND NIGHT LIZARD

island night lizard
Ryan P. O'Donnell, Wikimedia Commons // CC BY-SA 3.0

Native to three of California’s Channel Islands, this omnivorous, 4-inch reptile was granted federal protection under the Endangered Species Act in 1977. The designation couldn’t have come at a better time, as introduced goats and pigs were decimating the night lizard’s wild habitat in those days. But now that wild plants have been reestablished under FWS guidance, more than 21 million of the reptiles are believed to be living on the islands.

16. THE OKARITO KIWI

Small, flightless, island birds usually don’t fare well when invasive predators arrive from overseas. (Just ask the dodo.) New Zealanders take great pride in the five kiwi species found exclusively in their country, including the Okarito kiwi, which is also known as the Okarito brown or rowi kiwi. These animals have historically suffered at the hands of introduced dogs and stoats. But recently, there’s been some cause for celebration. Although there were only about 150 Okarito kiwis left in the mid-1990s, conservation initiatives have triggered a minor population boom, with about 400 to 500 adult birds now wandering about. Taking note of this trend, the International Union for Conservation of Nature (IUCN) has declared that the Okarito kiwi is no longer endangered.

17. THE BROWN BEAR

brown bear with three cubs
LuCaAr/iStock via Getty Images

Let’s clear something up: The famous grizzly bear technically isn’t its own species. Instead, it is a North American subspecies of the brown bear (Ursus arctos), which also lives in Eurasia. Still, grizzlies are worth mentioning here because of just how far they’ve come within the confines of Yellowstone National Park. In 1975, there were only 136 of them living inside the park. Today, approximately 700 of them call the place home. In 2018, the FWS delisted the Greater Yellowstone population grizzlies from Endangered Species Act protection, but reinstated them in July 2019 as "threatened" to comply with a Montana court ruling.

18. THE THERMAL WATER LILY

thermal water lily

With pads that can be as tiny as one centimeter across, the thermal water lily is the world’s smallest water lily. Discovered in 1985, it was only known to grow in Mashyuza, Rwanda, where it grew in the damp mud surrounding the area’s hot spring. Or at least it did. The thermal water lily seems to have disappeared from its native range. Fortunately, before the species went extinct in the wild, some seeds and seedlings were sent to London’s Royal Botanic Gardens at Kew. There, horticulturalists figured out a way to make the lilies flower in captivity, and managed to saved the species.

19. THE PEREGRINE FALCON

Peregrine falcon
ca2hill/iStock via Getty Images

When a peregrine falcon dives toward its airborne prey, the bird-eating raptor has been known to hit speeds of up to 242 miles per hour. The species endured a plummet of a different sort when DDT dropped its population. In the first few decades of the 20th century, there were around 3900 breeding pairs in the United States. By 1975, the number of known pairs had been whittled down to 324. Things got better after the insecticide was banned, and according to the FWS, somewhere between 2000 and 3000 peregrine falcon pairs currently patrol the skies in the United States, Canada, and Mexico.

20. PRZEWALSKI'S HORSE

Przewalski's horse in autumn field
Nemyrivskyi Viacheslav/iStock via Getty Images

There are a few different subspecies of wild horse, all of which are endangered. One variant is the Przewalski's horse (Equus ferus perzewalskii) from Mongolia. It completely vanished from that nation during the 1950s, but by then assorted zoos around the world had started breeding them. From 1992 to 2004, some 90 captive-born horses were released into Mongolia. They thrived and around 300 are living in their native habitat today, while other populations have been successfully introduced in Hungary and Russia (including in the Chernobyl exclusion zone).

21. THE NORTH AMERICAN BEAVER

North American beaver
webmink/iStock via Getty Images

No one knows how many hundreds of millions [PDF] of these buck-toothed rodents were living on the continent before European fur traders showed up. But after two centuries of over-trapping, spurred by the lucrative pelt trade, the number of North American beavers had shrunk to an abysmal 100,000 in 1900. Their fortunes reversed when restocking programs were implemented in the U.S. and Canada. Nowadays, somewhere between 10 and 15 million beavers live in those countries. Thanks to beaver's amazing landscaping talents, many property owners have come to see them (unfairly) as pests.

22. THE CAFÉ MARRON

Cafe Marron tree
Abu Shawka, Wikimedia Commons // CC0 1.0

Rodrigues Island in the Indian Ocean once gave biologists a chance to raise the (near) dead. This landmass is the home of a small tree with star-shaped flowers called the café marron. It was thought that the plant had long since died out when a single specimen was found by a schoolboy named Hedley Manan in 1980. As the only surviving member of its species known to humankind, that lone plant assumed paramount importance. Cuttings from the isolated café marron were used to grow new trees at England’s Royal Botanical Gardens at Kew. Right now, there are more than 50 of these plants—and all of them can have their ancestry traced straight back to that one holdout tree.

23. THE WEST INDIAN MANATEE

Manatee with fish
U.S. Fish and Wildlife Service, Wikimedia Commons // Public Domain

A docile, slow-moving marine mammal with a taste for sea grasses, the Floridian subspecies of the West Indian manatee is a creature that does not react well to razor-sharp propellers. Collisions with boats are a significant threat, and the danger won’t go away altogether. Still, the passage of tighter boating regulations has helped the Sunshine State rejuvenate its manatee population, which has more than tripled since 1991.

24. THE BURMESE STAR TORTOISE

Burmese star tortoise
LagunaticPhoto/iStock via Getty Images

The pet trade did a number on these guys. Beginning in the 1990s, wildlife traffickers harvested Burmese star tortoises until they effectively became “ecologically extinct” in their native Myanmar. Luckily, conservationists had the foresight to set up breeding colonies with specimens who’d been confiscated from smugglers. The program started out with fewer than 200 tortoises in 2004; today, it has more than 14,000 of them. “Our ultimate objective is to have about 100,000 star tortoises in the wild,” Steve Platt, a herpetologist who’s been taking part in the initiative, said in a Wildlife Conservation Society video.

25. THE GIANT PANDA

panda in tree
DennisvandenElzen/iStock via Getty Images

Here we have it: the poster child for endangered animals everywhere … except that the giant panda is no longer endangered. In 2016, the IUCN changed its status from “endangered” to “vulnerable.” There’s still a chance that we could lose the majestic bamboo-eater once and for all someday, but the last few years have offered a bit of hope. Between 2004 and 2014, the number of wild pandas increased 17 percent. The welcome development was made possible by enacting a poaching ban and establishing new panda reserves. It’s nice to know that, with the right environmental policies, we can make the future brighter for some of our fellow creatures.

This story first ran in 2017.

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