Alaskans must take what nature gives them to ensure their survival.

Usually a pristine location, the waters of Cancun suddenly become a hot spot for shark attacks between 2011 and 2013, with six attacks along the shores; scientists work to figure out the cause behind the surge in attacks.

South Africa is home to the world's deadliest beach for shark attacks.

The Hawaiian island of Oahu becomes besieged by shark attacks in 2015.

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Alaskans use limited resources to acquire food and resources for survival in the deadly cold.

Young Alaskans must adapt with the seasons to survive in the Arctic.

With spring rapidly approaching, young Alaskans struggle to complete necessary tasks while the Arctic melts beneath them.

As seasons begin to change, Alaska comes alive with deadly threats.

Alaskans fight through winter in hopes to see the light spring brings.

Alaskans must take what nature gives them to ensure their survival.

As winter closes in, the quest for sustenance becomes essential as four Alaskans fight to stay ahead of the season.

Four Alaskans living in the remote bush must gather and manage scarce resources to ensure their survival.

Six Alaskans living in the remote corners of the state are in a rush to prepare for the challenging months ahead.

Mechanical breakdowns and invading predators threaten the lives of six people as they try to survive the dark and cold winter in Alaska.

A fierce winter storm threatens Sue's fuel supply and Erik struggles to capture a thieving wolf.

Kate joins Andy out in the wilderness for a challenging day of collecting lumber.

Every day challenges can be life threatening or just plain bothersome.

Andy battles dangerous snowdrifts while driving over steep mountain roads; Chip and Agnes hone in on prey in their frozen hunting grounds.

Chip and Agnes try to hunt down a wolf whose fur they can use to barter for items that they need to survive.

Erik prepares for grizzly hunting season by renting out his property to fellow hunters and guides; spring is looking hopeful for the six survivors.

The melting ice reveals new dangers and deadly threats for remote Alaskans.

A tropical paradise becomes one of the world's deadliest islands for shark attacks.

In 2011, the Seychelles archipelago is rocked by two deadly shark attacks in two weeks.

Twelve days of bloodshed on the Jersey Shore give rise to America's fear of sharks.

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A black bear preps for winter; an orphaned sea otter is bottle-raised.

A raven falls in fish guts, a seal swims through a fuel spill, and a keeper dives headfirst into a filthy moose pond; animal rescue in Alaska isn't always a pleasant, or pleasant smelling, business.

An unexplained injury shakes up the wolf pack; a mystery shark from the deep arrives at the Sealife Center; a one-eyed eagle needs serious help.

A rescued sea otter pup narrowly escapes one wildfire, while another presents a problem for a very unique owl; an expedition to see wild wood bison is threatened as a heat wave complicates the breeding herd.

The Alaskan conservation heroes have their hands full with an orphaned newborn sea otter pup, a young bald eaglet that's fallen from its nest, and rescued foxes preparing for a habitat upgrade.

Stranded harbor seal pups, fighting bald eagles and an ornery wood bison bull cause the Alaskan conservation centers to operate at maximum capacity.

With an orphaned newborn sea otter pup, a young bald eaglet that's fallen from its nest, and rescued foxes preparing for a habitat upgrade, nobody's getting much rest.

When sunlight returns in the North, animals in Alaska must move fast to make the most of it.

The new vet, Dr. Emily; a horse combating colic; a rabbit that cannot hop; a working dog with possible head trauma.

After a long winter the animals of Isabella County are getting antsy, and they are up to more trouble than usual.

A pit bull needs emergency surgery; pups run into a porcupine; a pet pig is attacked; Charles enters the annual pancake-eating contest.

A therapy rabbit with overgrown teeth; Jodi of Hopewell Therapeutic Ranch persuades Dr. Pol to go on a dinner date for an auction fundraiser.

A pup's eye problems; a bird's injured beak; a trio of alpacas that could be pregnant; a frantic Friday for the clinic with emergency after emergency.

Explore the partnership between clownfish and anemones; watch oxpeckers keep savannah residents healthy; review the agreements of dung beetles and pitcher plants.

On a British farm, busy bugs join the farmer to lend a hand.

The forest buzzes with insects seeking mates during their brief reproductive window, striving to continue their species.

Ryan reveals a guide to romance and reproduction, underdog style, forgetting the birds and the bees and rewriting the rule book to finding the one.

On a British farm, busy bugs join the farmer to lend a hand.

The forest buzzes with insects seeking mates during their brief reproductive window, striving to continue their species.

Ryan reveals a guide to romance and reproduction, underdog style, forgetting the birds and the bees and rewriting the rule book to finding the one.

With an orphaned newborn sea otter pup, a young bald eaglet that's fallen from its nest, and rescued foxes preparing for a habitat upgrade, nobody's getting much rest.

A look at the migration patterns of millions of animals on this planet that have been passed down for generations.

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Kate joins Andy out in the wilderness for a challenging day of collecting lumber.

Every day challenges can be life threatening or just plain bothersome.

Andy battles dangerous snowdrifts while driving over steep mountain roads; Chip and Agnes hone in on prey in their frozen hunting grounds.

Chip and Agnes try to hunt down a wolf whose fur they can use to barter for items that they need to survive.

Erik prepares for grizzly hunting season by renting out his property to fellow hunters and guides; spring is looking hopeful for the six survivors.

The melting ice reveals new dangers and deadly threats for remote Alaskans.

Dr. Oakley treats a beagle mix with a severely infected paw and rappels to an eagle's nest.

Dr. Oakley treats a kitten with a bulging eye, and Sierra preg checks a miniature cow.

Back in the Yukon, the Oakleys help over 100 cattle and a rowdy mini mule.

Dr. Oakley operates on an unusual mass and investigates a musk ox with a hair loss problem.

Dr. Oakley performs a checkup on two scrappy lynx, and Sierra takes charge on clinic day.

The vets are busy treating fair animals and making sure they are in top shape for competition at the Isabella County Fair.

The staff is presented with one strange case after another, from the peculiar to the downright bizarre, including many unique cases they have never seen before.

Animals around town are acting strangely, from canine hijinks and bulls on the loose to an attempted kitten getaway.

The vets repair do-it-yourself dorctoring from clients who took matters into their own hands; ambitious home improvement projects at the lake house.

Families all around rely on Pol Veterinary to care for their animals this summer; from belligerent bulls to gimpy goats.

A day of all dogs at Pol Veterinary Services; from unclaimed strays to nosey farm dogs, Dr. Pol and his crew treat them all.

Dr. Pol helps animals at the Michigan Renaissance Festival; a limping horse's hooves and a jousting giant.

Before celebrations can begin for Dr. Pol's birthday, there are a number of cases for the veterinary staff to tackle.

Dr. Pol and the veterinary crew work hard to service the farms and small animal owners of the area as the leaves change and Michigan's first hints of winter appear.

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Celebrating the Hubble Space Telescope on its 25th anniversary with recollections of those who built, launched, repaired and upgraded it, including current NASA Chief Charles Bolden and theoretical physicist Stephen Hawking.

Europa, an icy moon of Jupiter, is 485 million miles away from Earth, and it may be the best hope for finding alien life in the solar system; explorers and scientists are planning a trip to Europa to answer questions about extraterrestrial life.

A tour of the stunning volcanoes and canyons of Mars.

Telescopes reveal new things about the moons in Jupiter's kingdom.

Iconic Australian animal arrivals make quite an impression with their unexpected screeching; a rare mountain goat birth is observed.

Rory the duck, Krypto the onager, and Unga the bonobo are given a whole new lease on life; Zucchini the beaver has a gigantic tooth problem.

Staff members at Columbus Zoo and The Wilds count down the days until spring.

An ornery ostrich refuses to get its shots; a pregnant rhino prepares to give birth; a beloved nanny goat fights for its life.

An Asian takin calf hangs on for dear life; a very grumpy tiger arrives at the zoo.

A 44-year-old orangutan has the biggest birthday bash of the year at the zoo.

A litter of wolves is born, and a tortoise needs treatment for a mysterious illness.

Meeting adorable baby goats, flamingo chicks and a sweet gazelle kid.

A cheetah fights for its life, and an elephant is artificially inseminated.

A monkey shows its true colors; a gigantic female bison gets a checkup.

Following the journey of an underweight and vulnerable little penguin through her progression from tiny to mighty; Brian and Security Steve determine what triggered the monitoring systems that protect Taronga's fence lines.

Two of the zoo's cats receive some high-tech assistance in the baby-making department.

The flamingos get their annual exam; two adorable manatee orphans arrive at the zoo before returning to the wild.

Following the journey of an underweight and vulnerable little penguin through her progression from tiny to mighty; Brian and Security Steve determine what triggered the monitoring systems that protect Taronga's fence lines.

Meeting adorable baby goats, flamingo chicks and a sweet gazelle kid.

A litter of wolves is born, and a tortoise needs treatment for a mysterious illness.

A look at the migration patterns of millions of animals on this planet that have been passed down for generations.

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The 25-mile coastline of Recife, Brazil, is one of the most dangerous places for shark attacks.

In Western Australia, shark attacks are on the rise, and investigators are racing to find out why.

Investigators seek the cause behind a strange surge of shark attacks in Texas.

Florida is the.

Just miles apart, two children are attacked by sharks within one hour of each other.

Three shark attacks in 13 months stun beachgoers on the otherwise peaceful beaches of Cape Cod, Mass.

During 2019, North Carolina's beaches are rocked by a series of four shark attacks in less than two months; desperate to restore harmony to this vacation paradise, experts hunt for clues that could reveal the cause of these tragic events.

Three beachgoers in the Bahamas are attacked by sharks and one of the attacks is fatal; locals and vacationers alike are left reeling and the country's $1 billion tourism industry is suddenly in peril.

A moose with a cough; a cheetah with nine lives.

A scrawny sea lion pup, a bat with holey wings, and zebra spa day.

Adventure Cove opens with a sea lion brigade; vets see a loris and iguana.

Patients include a koala, a rhino, reindeer, a bear cat, and a saucy monkey.

A flamingo fights for its life, a cheetah gets a biopsy and keeper love abounds.

The Columbus Zoo presents flying baby goats, a cranky tiger, a painting rhino and more.

A baby Rhino; a polar bear birth; a rare bird named Marla.

Two baby white rhinos join the herd; a pair of red pandas have a blind date in a tree; and a tortoise confuses doctors.

Sapo the komodo dragon doesn't like to be poked with a needle; the penguin colony gets annual exams; a rare pangolin pregnancy unfolds.

Two vets help keep everything from foxes to pigs happy and healthy.

Dr. Cori must pregnancy test a cow, while Dr. Allison has a lucky break.

Dr. Cori tries to save an ailing cat while a lost kitty finds a new home.

A dog might be too sick for surgery; vets visit a remote Cree community.

A puppy needs major help; Dr. A. treats an infection and learns to jig.

Help for a retired Olympian horse; difficult x-ray results for an old dog.

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The vets help a koi with a skin issue and invite a group of inner-city kids to the farm to learn how to check cows for pregnancy.

The vets perform surgery on a serval and a chihuahua with a damaged eye; alpacas come in for parasite and pregnancy checks.

The docs try to save a dog bitten by a rattlesnake.

The doctors carefully treat a giant Burmese python, perform a cesarean section on a dog and try to prevent parasites from decimating a herd of goats.

The docs at Critter Fixer are confused by a goat and must deflate a turkey.

The docs help a wild hawk and a dog that swallowed a toy.

The vets perform a blood transfusion on a very sick goat, a cesarean section on a French bulldog and high-stakes surgery on a cat's tongue.

The doctors at Critter Fixer hunt for a surprising item in three dogs.

The docs at Critter Fixer help a greyhound suffering from seizures and a kitten in need.

Everyone gathers to welcome the newest member of the Pol Veterinary Services family.

It's the dead of winter but the arctic temperatures won't stop clients from going to the Pol Veterinary Clinic.

The elements have never stopped the staff at Pol Veterinary Services from working hard, not even lots of snow and ice.

The deep freeze of late winter has everyone feeling uncomfortable, but the temperatures won't stop Dr. Pol from taking on a new home improvement project.

Dr. Pol is partially colorblind, so when Charles hears of a new technological breakthrough, he decides it's time to give his dad the greatest gift of all - the gift of color.

After a tough winter breaks in Michigan, the local animals enjoy the warm weather.

The gloomy weather doesn't stop the crew from taking on a range of unique cases, including testy bulls, coughing pigs and wobbly reindeer.

The vets at Pol Veterinary Services have their hands full with unplanned pregnancies, long labors, mystery symptoms and power outages.

A vet's first day; a veteran vet cares for a cat with a broken leg.

Dr. Emma treats stray dogs; Dr. Allison helps a dog with a scary lump.

It's stressful for the team to treat their own pets; Dr. Emma visits home.

Dr. Emma faces her fears; a dog's dental cleaning reveals big problems.

A routine spay takes a turn when Dr. Emma finds a bullet in the dog.

Hero dogs donate blood at the shelter; a shih tzu with bladder stones.

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Hero dogs donate blood at the shelter; a shih tzu with bladder stones.

Help for a retired Olympian horse; difficult x-ray results for an old dog.

A routine spay takes a turn when Dr. Emma finds a bullet in the dog.

A puppy needs major help; Dr. A. treats an infection and learns to jig.

Dr. Emma faces her fears; a dog's dental cleaning reveals big problems.

A dog might be too sick for surgery; vets visit a remote Cree community.

It's stressful for the team to treat their own pets; Dr. Emma visits home.

Dr. Cori tries to save an ailing cat while a lost kitty finds a new home.

Dr. Emma treats stray dogs; Dr. Allison helps a dog with a scary lump.

Dr. Cori must pregnancy test a cow, while Dr. Allison has a lucky break.

A vet's first day; a veteran vet cares for a cat with a broken leg.

Two vets help keep everything from foxes to pigs happy and healthy.

The thaw brings new opportunities and new dangers to Alaska's residents.

Hunt or be hunted is the name of the game during summer in Alaska.

As the weather shifts, Alaskans must adapt to harvest off of the land.

Alaskans do all that it takes to prepare for the harsh, looming winter.

On land and sea, Alaskans gather valuable resources for their survival.

Winter is creeping up in the Arctic as Alaskans scramble to prepare.

Winter descends upon the young Alaskans as they prepare for the big freeze.

It's life or death as the next generation battles winter's wrath.

The next generation of Alaskans face Mother Nature's winter wrath.

Alaskans face unplanned challenges in the wild to survive and thrive.

Arctic temperatures dip below zero, complicating the lives of Alaskans.

Florida is the.

In Western Australia, shark attacks are on the rise, and investigators are racing to find out why.

The 25-mile coastline of Recife, Brazil, is one of the most dangerous places for shark attacks.

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Winter is creeping up in the Arctic as Alaskans scramble to prepare.

Winter descends upon the young Alaskans as they prepare for the big freeze.

It's life or death as the next generation battles winter's wrath.

The next generation of Alaskans face Mother Nature's winter wrath.

Alaskans face unplanned challenges in the wild to survive and thrive.

Arctic temperatures dip below zero, complicating the lives of Alaskans.

During the summer months, Sue's camp in Kavik is generally busy, but the rapidly melting snow is encroaching on her runway.

The Hailstone family embarks on a seal hunt before guests arrive at the Kavik River Camp; Andy and Kate struggle to build a greenhouse.

Glenn is running perilously low on food; vicious mosquitos and fish that aren't taking the bait, make it a bigger hassle than expected.

Summer is winding down and everyone prepares for the upcoming winter.

The lack of food in Chandalar forces Glenn to pack his things and embark on the long journey back to Fairbanks.

Follow the struggles of four groups of Alaskans as they prepare for winter.

Erik Salitan hunts on Kodiak Island he has the opportunity to go after the elusive mountain goat, one of the most difficult hunts in Alaska.

Chip and Agnes are ready to embark on an autumn moose hunt; Erik has ordered powerful new traps with the hopes of catching a valuable fox.

Trapped by ice, Andy and Kate must cut a new trail to the outside world; Erik struggles to make opportunities count.

Andy and Kate teach subsistence and survival skills; Cody Allen has ventured into the bush from Oregon to learn how to live off the land.

In Alaska, the unusually warm weather has resulted in a late freeze that is wreaking havoc.

Investigators seek the cause behind a strange surge of shark attacks in Texas.

Three shark attacks in 13 months stun beachgoers on the otherwise peaceful beaches of Cape Cod, Mass.

Just miles apart, two children are attacked by sharks within one hour of each other.

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New challenges for rescued brown bears, a bitey harbor seal's epic rehab journey, a mysteriously injured eagle and a raven stuck in a gutter.

A Steller sea lion pup and adolescent moose get some help with growing up.

A starving otter, three skinny owls, and a baby reindeer need to fatten up!

Harbor seal pups, a great blue heron and a porcupine shock their rescuers.

Two orphaned moose calves adjust to their new home; a sea lion endures a long pregnancy; a juvenile bald eagle gets a chance to go free.

An elk is tangled in wire, and an eagle's wing presents a new challenge.

A bald eagle prepares for freedom and a lonely caribou needs a new family.

Wildlife survival is never easy in some of the coldest areas on earth. The animals need to adapt to survive, and so they have become hunters.

With spring on the horizon, calves are being born and the Pol's go all out to boost their peafowl flock.

Early springtime in Michigan means mothers, including Diane Pol, are being celebrated across the state.

Spring showers bring a rather painful situation for one unlucky patient.

Dr. Pol handles an emergency calving, where a bone has cracked and fallen into the pelvis of the cow, blocking the calf's way out.

The vets deal with an assortment of pups, from constipated canines to nasty dogfights.

Watch the cannibalistic Portia spider devour the competition; uncover the bloodthirsty side of cuddly koalas; catch an epic giraffe battle.

On a tropical beach, a hermit crab gets in trouble looking for a new home.

Tiny bugs must survive predators and humans to escape the pond by summer.

Ryan Reynolds puts the spotlight on nature's ingenious con artists.

On a tropical beach, a hermit crab gets in trouble looking for a new home.

Tiny bugs must survive predators and humans to escape the pond by summer.

Ryan Reynolds puts the spotlight on nature's ingenious con artists.

A bald eagle prepares for freedom and a lonely caribou needs a new family.

Aardvarks Willie and Peanut go on a blind date that could ultimately produce the park's first-ever aardvark babies; a black rhino undergoes a blood draw; a massive Nile crocodile gets a checkup for his injured tail.

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