Focus Features
Focus Features

25 Shelter Dogs Who Made It Big

Focus Features
Focus Features

If you’ve been thinking of adding a four-legged friend to your brood and are deciding whether a shelter dog is right for you, consider this: Some of history’s most amazing pooches—from four-legged movie stars to heroic rescue dogs—were found in animal shelters. In honor of Adopt-a-Shelter-Dog Month, here are 25 shelter dogs who made it big.

1. OLD YELLER

Photo of Spike from 'Old Yeller' (1957)
Walt Disney Studios

Old Yeller may be one of Disney’s saddest movies, but the backstory of its canine star is anything but: Spike, who played the title role, was adopted from a Van Nuys, California shelter when he was still just a puppy by animal trainer Frank Weatherwax for a fee of just $3. When Weatherwax’s wife, Connie, read part of Frank Gipson’s classic novel in The Saturday Evening Post, the author’s description of the dog reminded her of Spike. So when Disney announced that they’d be adapting the book to the big screen, Weatherwax got Spike an audition. But there was a problem: The lop-eared yellow Mastador was just too sweet. So Weatherwax went to work on training the lovable pup to snarl and growl on command. Spike nailed the part, and went on to have a fruitful acting career (he even made a few appearances as one of Lassie’s buds).

2. JAKE

Photo of Jake the Rescue Dog
Anita Westervelt/FEMA

In 1995, FEMA worker Mary Flood met Jake: a 10-month-old black Lab who was taken in by a shelter after he was found roaming the streets with a broken leg and a dislocated hip. "But against all odds he became a world-class rescue dog,” Flood, who works as part of a federal search-and-rescue team that has searched for human remains at both Ground Zero and following Hurricane Katrina, told CNN.

Following the events of September 11, Jake was officially hailed as a “hero” by the City of New York. In addition to his own acts of heroism, Jake helped train other rescue dogs and worked as a therapy dog at nursing homes and at a camp for burn victims. On July 25, 2007, Jake died of cancer; his body was donated to researchers at the University of Pennsylvania’s School of Veterinary Medicine, who were studying the long-term effects of 9/11 on the health of the rescue dogs.

3. HIGGINS

Frank Inn was a dog lover through and through: Though he made his living as a professional animal trainer, he was also an enormous advocate of shelter dogs. He’d regularly adopt pups who were at risk of being euthanized, then attempt to train them; if they weren't into the whole acting thing, he’d find loving homes for them through friends and family. One of his greatest success stories was Higgins, a mutt he found at California’s Burbank Animal Shelter, who proved to be a natural in front of the camera. After making his onscreen debut on Petticoat Junction, his real star-making turn came in the first Benji film. According to the Humane Society, Higgins’s history as a shelter dog led to the adoption of 1 million more because of Benji.

4. PEETY

Eric O’Grey and Peety
Eric O’Grey

In 2010, Eric O’Grey—a Silicon Valley-based sales rep who worked from home and spent much of his day on the phone—was taking more than a dozen different medications to control a range of health problems, including type 2 diabetes, high blood pressure, and depression. “It was a day-to-day existence of me and myself and really, the phone and the internet,” the 58-year-old told Metro earlier this month. His diet consisted of takeout food and he would sometimes eat up to 10,000 calories per day; eventually, he began to lose contact with many of his friends and stopped leaving the house altogether. Then a doctor made a seemingly odd suggestion: Get a rescue dog.

That’s when O’Grey met Peety, an overweight, middle-aged Australian Shepherd/Border Collie mix at the Humane Society Silicon Valley. Together, they began taking twice-a-day walks and eventually worked up to three miles. Within 10 months, O’Grey had lost 140 pounds (and Peety had dropped 25). Today, O’Grey is running about five marathons a year and just released a book, Walking With Peety: The Dog Who Saved My Life, about how Peety changed his life.

5. RIN TIN TIN

Rin Tin Tin
Hulton Archive/Getty Images

In 1918, American corporal Leland Duncan stumbled upon a bombed-out dog kennel near Lorraine, France, where he found a German Shepherd mom tending to her litter of newborn puppies. Duncan rescued the dogs, and brought two of the puppies home to California with him: Nanette and Rin Tin Tin. Though Nanette passed away, Rin Tin Tin became a huge star, appearing in more than two dozen silent films. Today, you can visit his star on the Hollywood Walk of Fame.

6. AND 7. PICASSO AND PABLO

Shelter dogs Picasso and Pablo
Mecca Ray-Rouse for Luvable Dog Rescue

If it weren’t for Liesl Wilhardt and the devoted dog lovers at Luvable Dog Rescue, the world may never have been introduced to Picasso. Earlier this year, the Eugene, Oregon animal shelter rescued the 10-month-old pit bull-corgi mix and his brother, Pablo, from a high-kill shelter in California. The brothers had been surrendered by a breeder who couldn’t place them—in Picasso’s case, because of a misaligned snout that made him look like a Pablo Picasso painting (hence the name).

When Luvable began posting photos of the pair on their Instagram and Facebook pages, they turned into internet stars practically overnight. The organization has reportedly received inquiries from hundreds of people around the world who are interested in giving a home to the brothers—who will only be adopted as a pair—but they will remain under Luvable’s care while Picasso undergoes dental surgery to correct an issue with his snout (which can cause him pain). If you’re interested in following their progress, check out the group’s social media feeds.

8. ALEISTER

Keira Knightley, Steve Carell and Aleister the shelter dog in 'Seeking a Friend for the End of the World'
Focus Features

In 2008, Aleister—a 5-year-old terrier mix—was rescued from an animal shelter in California. Four years later, he was starring alongside Steve Carell and Keira Knightley in Seeking a Friend for the End of the World, Lorene Scafaria’s 2012 dramedy about two strangers who meet in the final days before an asteroid strikes Earth and obliterates everything and everyone on it. The pooch played “Sorry,” an abandoned dog that ends up giving Carell’s character a reason to live when death is imminent.

9. PABST 

Pabst, the 2009 winner of World's Ugliest Dog
Justin Sullivan/Getty Images

In 2009, Pabst—a then-4-year-old boxer mix with an extremely pronounced underbite—was named the World’s Ugliest Dog, becoming the first pup who wasn’t a Chinese crested to claim the title in seven years. The title brought him $1600 in prize money plus a modeling contract from House of Dog. While Miles Egstad, who adopted Pabst from a shelter in 2006, appreciated the accolades, he didn’t necessarily agree with the description. “I don’t think he’s that ugly!” Egstad told People Magazine.

10. DOG

Mel Gibson and Dog star in 'The Road Warrior'
Warner Home Video

A professionally trained pooch is the dream of any filmmaker who decides to work with a dog, but sometimes not even the most talented of canine performers tick every box for a director. That was definitely the case for George Miller, who auditioned more than 100 dogs to play the part of Dog, faithful companion to Max Rockatansky in Mad Max 2: The Road Warrior. The filmmakers had just about given up on finding their Dog when they came across an Australian cattle dog that was scheduled to be put down at the local pound. Miller threw a rock and the dog retrieved it, which was enough for the director to cast him as Max’s furry pal. When filming ended, he was adopted by Max and Dale Aspin, the film’s stunt coordinator and animal trainer, respectively.

11. WHEELY WILLY 

Wheely Willy the rescue dog
Koichi Kamoshida/Getty Images

Originally found abandoned in a cardboard box suffering from both spinal injuries and a cut throat, Willy—who was then just a puppy—was rescued and received the medical attention he needed, though the injuries left him paraplegic. After spending more than a year in a shelter, he had still not found his forever home, and was scheduled to be euthanized. That’s when pet groomer Deborah Turner took action, and brought him home.

In order to help Willy walk on his own, Turner spent a lot of time trying to come up with new ways to help his mobility, then learned about K-9 Carts, a special kind of wheelchair for dogs. With his fancy new wheels, Willy began attracting lots of attention, which eventually led to him becoming the subject of a pair of bestselling children’s books where he was rechristened Wheely Willy. When he wasn’t posing for the cameras, Willy—who passed away in 2010—helped raise public awareness about animals with disabilities and visited hospitals, where his tenacity regularly inspired patients.

12. SANDY

Sandy the dog in 'Annie'
Kevin Winter/Getty Images

In Annie, the red-headed orphan finds a kindred spirit in Sandy, a streetwise stray dog she adopts as her own faithful companion. Since the musical’s original Broadway run, animal trainer and behaviorist William Berloni has filled the role with shelter dogs. In 1976, he paid just $7 to save the original Sandy from being euthanized and trained him to appear on Broadway; he ended up stealing the show in more than 2300 performances. It started a bit of a trend; when Annie was revived for the stage in 2012, Berloni put a dog named Sunny to work for the part.

13. MOCHI

Photo of a dog's tongue
iStock

In 2016, Mochi "Mo" Rickert was awarded a Guinness World Record for The Dog With the Longest Tongue, with an official measurement of 7.3 inches. "With this record, we hope to bring attention to how much joy rescued animals can bring to their new family," Carla Rickert, who adopted Mochi from a South Dakota rescue with her husband Craig, said of the accolade. "Mo is resilient, comical, loving, and eternally grateful and loyal to us—her forever family. This once abused and neglected pup has taught us that it's okay to be different. We are proud of her unique feature."

14. MAUI

Paul Reiser, Helen Hunt, and Maui in 'Mad About You'
NBC Universal

From 1992 to 1999, Maui—a collie mix who was adopted from a California shelter by animal trainer Boone Narr—played Murray, the lovable pooch of Paul and Jamie Buchman (Paul Reiser and Helen Hunt) on Mad About You. “Maui is very sweet and takes direction well,” Betty Linn, who trained Maui for several years, told Mutt News in 2008. “He’s completely spoiled by everyone and consequently loves to go to the set when we begin a new show on Mondays.”

15. PEANUT

A dog digging.
iStock

In 2016, Petunia—a tan and brown mixed breed pup—found her forever home after being adopted out by the Delta Animal Shelter in Escanaba, Michigan following years of abuse (she arrived at the shelter with broken legs and ribs). A year later, the pup (now known as Peanut) returned that kindness by helping to save a 3-year-old girl.

In March 2017, Peanut was clearly distressed; the normally quiet pooch was running up and down the stairs and barking at her owner. Sensing that something must be wrong, Peanut’s owner took her outside, where she immediately ran into the field behind the house. It’s there that Peanut located a young girl curled up into a ball, wearing no clothing, and shivering from the cold. “By the time the ambulance and police arrived, the little girl could only say one thing—‘doggie,’” Peanut’s owner wrote in a letter to the shelter. “Thanks to Peanut, a little girl’s life was saved.”

16. AND 17. CLYDE AND RUDY

20th Century Fox Home Entertainment

In 2005, readers fell in love with Marley & Me, John Grogan’s loving tribute to the many years he and his family spent living with Marley, a destructive yellow lab who Grogan deemed “the world’s worst dog.” When the book was adapted into a movie starring Owen Wilson and Jennifer Aniston in 2008, the filmmakers had to employ a total of 22 dogs to play Marley at various stages of his life, and six of them were rescue dogs.

Of all the pups, Clyde—who was rescued from a breeder—had the most screen time (and managed to earn a Teen Choice Award nomination for Choice Movie Liplock alongside Wilson). Then there was Rudy, who managed to find an adopter just 24 hours before he was set to be euthanized. He was adopted by Susan Woolley and Dean Kagawa, who regularly take in strays. When Woolley, who volunteers with the Labrador Retriever Rescue of Florida Inc., learned that Rudy was going to be destroyed, she stepped in and tried to find him a new home. But his energy level proved to be too much for many potential adopters.

"We kept him because nobody wanted him," Woolley told the Tampa Bay Times. "He's a hoot," Kagawa added. "You rarely get a dog like him. He's just nuts. He's very smart. Very stubborn. Loves being the center of attention." When Woolley learned that the makers of Marley & Me were in need of just such a pup, she told them: "I have the perfect dog."

18. CHANEL

Dog in goggles
iStock

In 1988, Denice Shaughnessy—then a soldier in the U.S. Army—fell in love with Chanel, a 6-week-old white dachshund she adopted from a shelter in Newport News, Virginia. More than 20 years later, Shaughnessy noticed that there was no current Guinness World Record holder for World’s Oldest Dog, so she submitted Chanel’s information. In 2009, Chanel (who was often seen wearing goggles because of cataracts, in sweaters because of a sensitivity to cold, and being pushed in a stroller because of the difficulty she had walking) was the center of attention at a big birthday party held in her honor in New York City, where her Guinness World Record distinction was announced. Sadly, Chanel passed away just a few months later, at the age of 21 years and 114 days.

19. MARNIE

Marnie the dog
Neilson Barnard/Getty Images for ASPCA

In 2012, animal control officers in Connecticut came across a homeless 10-year-old shih tzu and brought her to a shelter, where she was named “Stinky” and sat for several months until Shirley Braha discovered her. After taking the dog home, Braha renamed her new four-legged friend Marnie, and began posting pictures of the unusual pooch, whose head tilts to one side, likely due to a previous illness. Today, Marnie is a bona fide celebrity with her own book and app and more than 2 million Instagram followers.

20. TUNA

Tuna the dog
Michael Kovac/Getty Images for Annenberg PetSpace

Like Marnie, Tuna the dog went from homeless to internet sensation—though in his case, it seemed practically overnight. After being found on the side of a road in California, Tuna was made adoptable by a rescue group, which is how Courtney Dasher came across him in 2010. He was then just 4 months old, and Dasher decided to foster the Chihuahua/Dachshund for a week—but was quickly charmed by him and his adorably odd appearance.

Tuna’s extreme overbite and misaligned jaw earned him some instant online love; in addition to his nearly 2 million Instagram followers, Tuna has his own book and is doing his part to raise awareness (and money) for rescue organizations that have a soft spot for unconventionally cute would-be pets.

21. HOBO

Photo of a Border Collie dog.
iStock

In 2005, a lovable Border Collie named Castor was having trouble finding a home. Just as his longtime foster, Lori, was getting ready to offer him a forever home, the mother of a 4-year-old girl named Melorah who had daily seizures decided that Castor just might be the perfect service dog for their home. They were right. “Castor is now Hobo, and he is a seizure alert dog for Melorah,” Lori wrote in a blog post. “He alerts Melorah’s mom when a seizure is on its way, and her mom actually gives her medicine when Hobo predicts a seizure.

“The medicine can lessen the effects of the seizure. He has done his job for many years now. He has been all over the U.S. He has also spent many nights in hospitals in Melorah’s bed comforting her when she was scared and away from home. He has ridden the carousel at DisneyWorld, he has ridden on trains, subways, and even in an ambulance. Melorah’s mom now speaks at large events on the benefits of service dogs.”

22. MR. WINKLE

Photo of Mr. Winkle the dog
Amanda Edwards/Getty Images

It’s hard not to fall in love with Mr. Winkle, a tiny toy dog who is believed to be a mix of Chihuahua and Pomeranian, but looks more like a teddy bear. That’s exactly what happened when renowned photographer Lara Jo Regan met him, and why she adopted him. Immediately, she began dressing Mr. Winkle up and posting photos of him in all sorts of settings and costumes. Next came a line of merchandise, including books and calendars, that endeared Mr. Winkle to the world.

23. LADY

Phot of a dog shaking hands.
iStock

Pit bulls can get a bad rap, but time and again, they’ve proven to be an amazing breed—saving and changing many people’s lives in the process. Case in point: Lady, who found her way to the Baltimore Animal Rescue and Care Shelter (BARCS).

"She's just one of those dogs who was very overlooked," BARCS’s communications director Bailey Deacon told The Dodo in 2016. "She was loved by our staff and volunteers. But she wasn't getting a lot of chances for people to get her out and see how wonderful she really was. People weren't picking her. Everybody just walked by the brown and white pit bull." Then she met Mandy Weikert and Chris Kimple, who immediately connected to Lady’s fun-loving spirit and brought her home.

But Lady wanted to do more: Weikert, who is a nurse at a cancer treatment center in Pennsylvania, brought Lady to work with her one day, and the pup immediately got to work cheering everyone up. "She makes people laugh and makes people smile and makes people forget why they are there," Weikert told People. "When they are with Lady, they are not cancer patients anymore. They are just people who are happy."

24. MURRAY

iStock

By the time Murray, a 2-year-old beagle, was rescued by Georgia’s Alcovy Pet Rescue from the Northeast Georgia Animal Shelter, it was clear he had had a tough life. In addition to being severely underweight and beat up, his tail was injured and he was missing half of one of his ears. But, “He was very eager for love and very eager for attention,” Tammie Jourdanais, the shelter’s director, told the Atlanta Journal-Constitution in early 2017. Murray was also smart and eager to please, which is how—about one year later—he found himself joining the elite crew of agriculture detector dogs at Hartsfield-Jackson Atlanta International Airport, where he ensures that no harmful foods or pests make their way into the U.S.

“The dogs we’re looking for are working dogs that really need something to do,” Kathleen Warfield, a training specialist at the National Detector Training Center, told the AJC. “They need to keep busy and be active … Murray is the happiest dog you will ever meet. When he’s at the airport, he just loves being in that environment."

25. CHARLIE GRAY

A scene from Hart to Hart
Shout! Factory

Beginning in 1979, Robert Wagner and Stefanie Powers portrayed Jonathan and Jennifer Hart, a married couple who regularly find themselves embroiled in some sort of weird mystery that forces them to play amateur detectives to solve it, on Hart to Hart. Helping them in their investigations is Freeway, a stray Löwchen they found roaming the freeway (hence the name). In real life, the story of Charlie Gray—the dog who portrayed Freeway—wasn’t too different. Charlie was close to being euthanized when Hollywood animal trainer Bob Blair found him. "I went down to the shelter, just down the road from here and there was this little dog, looking at me and saying 'When's my call to go to the studio?'" Blair recalled. “I brought him back, and he turned out to be a great little dog.”

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14 Bold Facts About Bald Eagles
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Bald eagles are powerful symbols of America—but there’s a whole lot more to these quirky birds.

1. YOUNG BALD EAGLES AREN'T BALD.

A young bald eagle with a brown head on a beach.
iStock

So obviously adult bald eagles aren't really bald, either—their heads have bright white plumage that contrasts with their dark body feathers, giving them a "bald" look. But young bald eagles have mostly brown heads. In fact, for the first four or five years of their lives, they move through a complicated series of different plumage patterns; in their second year, for instance, they have white bellies.

2. BALD EAGLES SOUND SO SILLY THAT HOLLYWOOD DUBS OVER THEIR VOICES.

A red-tailed hawk.
A red-tailed hawk's screech is usually dubbed over the bald eagle's weaker scream.
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It's a scene you’ve probably seen countless times in movies and on TV: an eagle flies overhead and emits a rough, piercing scream. It's a classic symbol of wilderness and adventure. The only problem? Bald eagles don't make that sound.

Instead, they emit a sort of high-pitched giggle or a weak scream. These noises are so unimpressive that Hollywood sound editors often dub over bald eagle calls with far more impressive sounds: the piercing, earthy screams of a smaller bird, the red-tailed hawk. If you were a fan of The Colbert Report, you might remember the show's iconic CGI eagle from the opener—it, too, is making that red-tailed hawk cry. Listen for yourself and decide who sounds more impressive.

3. THEY EAT TRASH AND STOLEN FOOD.

Two bald eagles guard their prey against two magpies on a snowy field.
iStock

Picture a majestic bald eagle swooping low over a lake and catching a fish in its powerful claws. Yes, bald eagles eat a lot of fish—but they don't always catch it themselves. They've perfected the art of stealing fish from other birds such as ospreys, chasing them down until they drop their prey.

Bald eagles will also snack on gulls, ducks, rabbits, crabs, amphibians, and more. They'll scavenge in dumpsters, feed on waste from fish processing plants, and even gorge on carrion (dead, decaying animals).

4. BALD EAGLES USUALLY MATE FOR LIFE.

Two bald eagles perched on a tree.
iStock

Trash and carrion aside, they're pretty romantic animals. Bald eagles tend to pair up for life, and they share parenting duties: the male and the female take turns incubating the eggs, and they both feed their young.

5. … AND THEY LIVE PRETTY LONG LIVES.

Two bald eagles sitting on a rock.
iStock

Those romantic partnerships are even more impressive because bald eagles can survive for decades. In 2015, a wild eagle in Henrietta, New York, died at the record age of 38. Considering that these birds pair up at 4 or 5 years of age, that's a lot of Valentine's Days.

6. THEY HOLD THE RECORD FOR THE LARGEST BIRD'S NEST.

Two bald eagles in their large nest.
iStock

Bald eagles build enormous nests high in the treetops. The male and female work on the nest together, and this quality time helps them cement their lifelong bond. Their cozy nurseries consist of a framework of sticks lined with softer stuff such as grass and feathers. If the nest serves them well during the breeding season, they'll keep using it year after year. And, like all homeowners, they can't resist the thought of renovating and adding to their abode. Every year, they'll spruce it up with a whopping foot or two of new material.

On average, bald eagle nests are 2-4 feet deep and 4-5 feet wide. But one pair of eagles near St. Petersburg, Florida, earned the Guinness World Record for largest bird’s nest: 20 feet deep and 9.5 feet wide. The nest weighed over two tons.

7. FEMALES ARE LARGER THAN MALES.

Two bald eagles in their large nest.
iStock

In many animal species, males are (on average) larger than females. Male gorillas, for example, dwarf their female counterparts. But for most birds of prey, it's the opposite. Male bald eagles weight about 25 percent less than females.

Scientists aren't sure why there's such a size difference. One reason might be the way they divide up their nesting duties. Females take the lead in arranging the nesting material, so being bigger might help them take charge. Also, they spend longer incubating the eggs than males, so their size could intimidate would-be egg thieves.

If you're trying to tell male and female eagles apart, this size difference may help you—especially since both sexes have the same plumage patterns.

8. TO IDENTIFY THEM, LOOK AT THE WINGS.

A bald eagle flies across the water.
iStock

People often get excited about a big soaring bird and yell "It's an eagle!” just before it swoops closer and … oops, it's a vulture. Here's a handy identification tip. Bald eagles usually soar with their wings almost flat. On the other hand, the turkey vulture—another dark, soaring bird—holds its wings up in a shallow V shape called a dihedral. A lot of large hawks also soar with slightly raised wings.

9. THEY'RE COMEBACK KIDS.

Baby eagle chicks in a nest.
iStock

Before European settlers arrived, bald eagles were abundant across the U.S. But with settlement came habitat destruction, and the settlers viewed the eagles as competition for game and as a threat to livestock. So many eagles were killed that in 1940 Congress passed an act to protect the birds.

Unfortunately, another threat rose up at about that time. Starting after World War II, farmers and public health officials used an insecticide called DDT. The chemical worked well to eradicate mosquitos and agricultural pests—but as it traveled up the food chain, it began to heavily affect birds of prey. DDT made eagle eggshells too thin and caused the eggs to break. A 1963 survey found just 471 bald eagle pairs in the lower 48 states.

DDT was banned in the early 1970s, and conservationists began to breed bald eagles in captivity and reintroduce them in places across America. Luckily, this species made a spectacular recovery. Now the lower 48 states boast over 9700 nesting pairs.

10. THEY'RE UNIQUELY NORTH AMERICAN.

An African fish eagle flies over the water.
The African fish eagle is a relative of the North American bald eagle.
iStock

You've probably heard of America's other eagle: the golden eagle. This bird lives throughout much of the northern hemisphere. But the bald eagle is only found in North America. It lives across much of Canada and the U.S., as well as northern parts of Mexico.

Though it may be North American, the bald eagle has seven close relatives that are found throughout the world. They all belong to the genus Haliaeetus, which comes—pretty unimaginatively—from the Latin words for "sea" and "eagle." One relative, the African fish eagle, is a powerful symbol in its own right. It represents several countries; for example, it's the national symbol of Zambia, and graces the South Sudanese, Malawian, and Namibian coats of arms.

11. THEY'RE AERIAL DAREDEVILS.

A bald eagle carries a fish off in its talons.
iStock

It seems too weird to be true: While flying, bald eagles sometimes grab each other's feet and spin while plummeting to the Earth. Scientists aren't sure why they do this—perhaps it's a courtship ritual or a territorial battle. Usually, the pair will separate before hitting the ground (as seen in this remarkable set of photographs). But sometimes they hold tight and don't let go. These two male bald eagles locked talons and hit the ground with their feet still connected. One subsequently escaped and the other was treated for talon wounds.

12. THEIR EYES ARE AMAZING.

Close-up of a bald eagle's face.
iStock

What if you could close your eyes and still see? Besides the usual pair of eyelids, bald eagles have a see-through eyelid called a nictitating membrane. They can close this membrane to protect their eyes while their main eyelids remain open. The membrane also helps moisten and clean their eyes.

Eagles also have sharper vision than people, and their field of vision is wider. Plus, they can see ultraviolet light. Both of those things mean the expression "eagle eye" is spot-on.

13. THEY MIGRATE … SORT OF.

A bald eagle sits in a snowy tree.
iStock

If you're a bald eagle that nests in northern Canada, you'll probably head south for the winter to avoid the punishing cold. Many eagles fly south for the winter and return north for the summer—as do plenty of other bird species (and retired Canadians). But not all bald eagles migrate. Some of them, including individuals in New England and Canada's Maritime provinces, stick around all year. Whether or not a bird migrates depends on how old it is and how much food is available.

14. THEY CAN SWIM … SORT OF.

A bald eagle
iStock

There are several videos online—like the one above—that show a bald eagle swimming in the sea, rowing itself to shore with its huge wings. Eagles have hollow bones and fluffy down, so they can float pretty well. But why swim instead of soar? Sometimes, an eagle will swoop down and grab an especially weighty fish, then paddle it to shore to eat.

Note that the announcer in the video above says that the eagle's talons are "locked" on a fish that's too heavy to carry. In fact, those lockable talons are an urban legend.

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How Bats Protect Rare Books at This Portuguese Library
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Visit the Joanina Library at the University of Coimbra in Portugal at night and you might think the building has a bat problem. It's true that common pipistrelle bats live there, occupying the space behind the bookshelves by day and swooping beneath the arched ceilings and in and out of windows once the sun goes down, but they're not a problem. As Smithsonian reports, the bats play a vital role in preserving the institution's manuscripts, so librarians are in no hurry to get rid of them.

The bats that live in the library don't damage the books and, because they're nocturnal, they usually don't bother the human guests. The much bigger danger to the collection is the insect population. Many bug species are known to gnaw on paper, which could be disastrous for the library's rare items that date from before the 19th century. The bats act as a natural form of pest control: At night, they feast on the insects that would otherwise feast on library books.

The Joanina Library is famous for being one of the most architecturally stunning libraries on earth. It was constructed before 1725, but when exactly the bats arrived is unknown. Librarians can say for sure they've been flapping around the halls since at least the 1800s.

Though bats have no reason to go after the materials, there is one threat they pose to the interior: falling feces. Librarians protect against this by covering their 18th-century tables with fabric made from animal skin at night and cleaning the floors of guano every morning.

[h/t Smithsonian]

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