Love Nature

Revisit the evolutionary journey of brown bears, from ursid ancestors that dominated the ice ages to today's modern omnivores; witness their symbiotic relationship with salmon and the surprisingly interconnected ecosystems they thrive in.

Following the journey of the black rhino and seeing how adaptation and conservation have influenced the evolution of an ancient titan of nature; experiencing this armoured herbivore's extraordinary hearing, sense of smell, and other biological advantages.

Looking inside the life of one of Africa's most iconic but misunderstood megafauna: the hippopotamus; getting in the middle of a sparring match and seeing just how deadly a territorial male's bite can be, then witnessing the miracle of their underwater births.

Understanding how adaptability has helped the caiman, a beast as old as the dinosaurs, evolve to face the modern world; watching butterflies feed on their tears, then marvelling at the maternal devotion on display in their communal nurseries.

Featuring the wisdom of one of the natural world's leading conservationist campaigners, Jane Goodall shines an enlightening spotlight on practical marine conservation.

Descend into the tide pool, where a hermit crab house hunts; a baby catshark runs into strange neighbors; an octopus terrorizes prey; watch seagulls and other creatures hunt on the surface as the heat rises and oxygen depletes in the pool.

The sun sets and predators prowl around the pool before the tide finally rolls in; persevere as night falls with a kleptomaniacal slug and an acrobatic scallop; a pair of sneaky crabs take a dangerous shot at romance.

Descend into the tide pool, where a hermit crab house hunts; a baby catshark runs into strange neighbors; an octopus terrorizes prey; watch seagulls and other creatures hunt on the surface as the heat rises and oxygen depletes in the pool.

The sun sets and predators prowl around the pool before the tide finally rolls in; persevere as night falls with a kleptomaniacal slug and an acrobatic scallop; a pair of sneaky crabs take a dangerous shot at romance.

Epic snake rescues: browns, pythons and a wild mating ball in Queensland!

The snakes are mating, invading a lounge and infiltrating a chicken coop.

Deadly snakes lurk as elite wranglers race to stop danger before it strikes.

Wranglers face venom, tangled traps and fierce reptiles in high-stakes rescues.

A dental surgery goes from one tooth to nine teeth for a pair of unsuspecting dog owners; Savannah must investigate to figure out why a ferret named Sophie has stopped peeing, and a bunny needs intervention to stop him from biting at his sutures.

An elderly dog named Freddie has a rare form of cancer that requires quick intervention; a barn cat named Suzie needs help to feed her kittens; Savannah heads to Back to Batoche - the largest Métis festival in the world.

A fox needs several surgeries to survive; four raptors leave Hope for Wildlife.

Jean witnesses how infant calves fare against the predatory lions and crocodiles of the Mara.

Keepers dole out buckets of fresh fish for their sea lions and penguins and a bouquet of veggies for their century old tortoises.

Feeding critically endangered orangutans, cheetah and painted dogs.

Cockatoos and platypuses inspire new careers; a shared trauma bonds a human and an elephant for life; George the turkey vulture gets playful; a farewell to human-raised kangaroos.

Jean witnesses how infant calves fare against the predatory lions and crocodiles of the Mara.

A fox needs several surgeries to survive; four raptors leave Hope for Wildlife.

Meeting Dr. Cori Stephen and Dr. Allison Hay, two vets in two different locations; one resides in the country and the other in the city, but both share their passion for keeping animals, from foxes to pet pigs, happy and healthy.

Dr. Emma Jackson takes on a new role at one of Calgary's busiest animal rescue shelters; Dr. Allison's love for cats shines through as she provides emergency surgery on an aging cat with a broken leg.

Novice fliers tackle their first ascents; earth-bound creatures soar uniquely; sky masters race with speed and agility.

Each species evolves unique tools to outpace rivals in the eat-or-be-eaten game, taking to the skies is the ultimate advantage.

Almost all the species that inhabit the Earth seek out mates to ensure the survival of their kind through reproduction; but while some mate for life, others live in fleeting moments.

Meeting Dr. Cori Stephen and Dr. Allison Hay, two vets in two different locations; one resides in the country and the other in the city, but both share their passion for keeping animals, from foxes to pet pigs, happy and healthy.

Dr. Emma Jackson takes on a new role at one of Calgary's busiest animal rescue shelters; Dr. Allison's love for cats shines through as she provides emergency surgery on an aging cat with a broken leg.

Reptiles have expanded into nearly every habitat in Africa.

Meet more Amazing Animal Friends, including ranch manager Barclay, a Great Dane who happens to be a gifted horse whisperer. In Africa, a tiny marmoset called Thor has become obsessed with two young rescued mongooses.

It really is a big bad world out there; so what happens if you are the little guy.

Spinner dolphins hunt shoals of lanternfish while dodging giant rays.

Revealing the family life of the orca and dolphins that wear sponges on their noses.

Every year, up to 80 polar bears gather on the frozen shores of Barter Island on the Arctic coast of Alaska.

Spinner dolphins hunt shoals of lanternfish while dodging giant rays.

Revealing the family life of the orca and dolphins that wear sponges on their noses.

Every year, up to 80 polar bears gather on the frozen shores of Barter Island on the Arctic coast of Alaska.

It really is a big bad world out there; so what happens if you are the little guy.

Reptiles have expanded into nearly every habitat in Africa.

Meet more Amazing Animal Friends, including ranch manager Barclay, a Great Dane who happens to be a gifted horse whisperer. In Africa, a tiny marmoset called Thor has become obsessed with two young rescued mongooses.

Meeting Dr. Cori Stephen and Dr. Allison Hay, two vets in two different locations; one resides in the country and the other in the city, but both share their passion for keeping animals, from foxes to pet pigs, happy and healthy.

Dr. Emma Jackson takes on a new role at one of Calgary's busiest animal rescue shelters; Dr. Allison's love for cats shines through as she provides emergency surgery on an aging cat with a broken leg.

A patient moves towards recovery; a mysterious illness kills dozens of animals.

Jean visits Tanzania's Ngorongoro Crater, home to the highest concentration of mammals in the world.

Keepers can't let their guards down when it comes to feeding tigers, sun bears or rhinos.

The moose and wolves of Lake Superior battle.

Exploring the softer side of Tasmanian devils; meeting a pioneering sea turtle and enjoying family dinner with Buttons, the deer; playing football with a bull.

Jean visits Tanzania's Ngorongoro Crater, home to the highest concentration of mammals in the world.

A patient moves towards recovery; a mysterious illness kills dozens of animals.

Dr. Cori puts on a smile for her least favorite job, cow pregnancy testing; Dr. Allison treats an orange cat with a skin condition and uses a musical trick to calm the nerves of a soon-to-be neutered dog.

Dr. Emma sets off on a road trip to Siksika Nation to help stray dogs get healthy and find their forever homes; in Saskatoon, Dr. Allison examines a worrying lump on an older dog with a big personality.

Spinner dolphins hunt shoals of lanternfish while dodging giant rays.

Revealing the family life of the orca and dolphins that wear sponges on their noses.

Every year, up to 80 polar bears gather on the frozen shores of Barter Island on the Arctic coast of Alaska.

Dr. Cori puts on a smile for her least favorite job, cow pregnancy testing; Dr. Allison treats an orange cat with a skin condition and uses a musical trick to calm the nerves of a soon-to-be neutered dog.

Dr. Emma sets off on a road trip to Siksika Nation to help stray dogs get healthy and find their forever homes; in Saskatoon, Dr. Allison examines a worrying lump on an older dog with a big personality.

An old Leopard struggles to find a meal while avoiding a pride of lions.

The great plains of Africa are home to some of the most iconic animals on the planet. Growing up here means safari babies face immense challenges that will really test them.

Steve Backshall explores the moves animals make in pursuit of romance, from soliciting that first amorous glance, to the final act of seduction. The colourful cast includes beautiful birds of paradise, ring-tailed lemurs and a tiny brown banana frog.

Eoin starts his island voyage on Rathlin, then heads west for Malin Head and Inishtrahull meeting Basking Sharks and Dolphins en route, before going south to Achill Island and the story of the Irish Stoat.

Eoin visits a wondrous native woodland on Clare Island and as he sails his Galway Hooker through Connemara's turquoise waters he finds deserted islands home to skylarks and on the Aran Islands, Ireland's only native reptile.

Eoin is back in his Galway Hooker and sailing to the islands off County Kerry before heading south into his home waters off Cork and the end of his journey at Fastnet Rock.

Eoin starts his island voyage on Rathlin, then heads west for Malin Head and Inishtrahull meeting Basking Sharks and Dolphins en route, before going south to Achill Island and the story of the Irish Stoat.

Eoin visits a wondrous native woodland on Clare Island and as he sails his Galway Hooker through Connemara's turquoise waters he finds deserted islands home to skylarks and on the Aran Islands, Ireland's only native reptile.

Eoin is back in his Galway Hooker and sailing to the islands off County Kerry before heading south into his home waters off Cork and the end of his journey at Fastnet Rock.

Steve Backshall explores the moves animals make in pursuit of romance, from soliciting that first amorous glance, to the final act of seduction. The colourful cast includes beautiful birds of paradise, ring-tailed lemurs and a tiny brown banana frog.

An old Leopard struggles to find a meal while avoiding a pride of lions.

The great plains of Africa are home to some of the most iconic animals on the planet. Growing up here means safari babies face immense challenges that will really test them.

Dr. Cori puts on a smile for her least favorite job, cow pregnancy testing; Dr. Allison treats an orange cat with a skin condition and uses a musical trick to calm the nerves of a soon-to-be neutered dog.

Dr. Emma sets off on a road trip to Siksika Nation to help stray dogs get healthy and find their forever homes; in Saskatoon, Dr. Allison examines a worrying lump on an older dog with a big personality.

Hope tries to stop the outbreak from spreading; decisions to save Hope for Wildlife.

Jean climbs through Mount Kilimanjaro's five different climates.

The Asian carp, an invasive species, travels through North American waters, eating, breeding and decimating native fish populations.

Researchers continue to fight for the survival of the Lake Erie Watersnake, a species on the brink of extinction; a new source of food could mean the snakes have a future after all, so long as the lake's algae blooms cooperate.

Flapping around with Banksy the fruit bat and his human surrogate mom; eyeing a mischievous emu; celebrating a pig's rescue-versary; touring manatee heaven; learning to speak baboon with Dingani.

Jean climbs through Mount Kilimanjaro's five different climates.

Hope tries to stop the outbreak from spreading; decisions to save Hope for Wildlife.

Dr. Cori taps into her wealth of experience to bring Ranger, the ailing cat, back from a life-or-death situation; in Saskatoon, a lost kitty gets a clean bill of health and finds a loving home with one of Dr. Allison's team members.

Dr. Allison's clinic is full of nerves and worry as she and her staff bring in their own animals for vet care; Dr. Emma picks up some tips for working with small companion animals from Calgary's top exotic vet specialist.

Eoin starts his island voyage on Rathlin, then heads west for Malin Head and Inishtrahull meeting Basking Sharks and Dolphins en route, before going south to Achill Island and the story of the Irish Stoat.

Eoin visits a wondrous native woodland on Clare Island and as he sails his Galway Hooker through Connemara's turquoise waters he finds deserted islands home to skylarks and on the Aran Islands, Ireland's only native reptile.

Eoin is back in his Galway Hooker and sailing to the islands off County Kerry before heading south into his home waters off Cork and the end of his journey at Fastnet Rock.

Dr. Cori taps into her wealth of experience to bring Ranger, the ailing cat, back from a life-or-death situation; in Saskatoon, a lost kitty gets a clean bill of health and finds a loving home with one of Dr. Allison's team members.

Dr. Allison's clinic is full of nerves and worry as she and her staff bring in their own animals for vet care; Dr. Emma picks up some tips for working with small companion animals from Calgary's top exotic vet specialist.

An aging leopard in Zambia is challenged by a younger female.

Many animals that live in water come on land to have their babies. Being born this way presents some major challenges for water babies to overcome. For some, simply getting to water in the first place can be the biggest trial of their young lives.

Steve Backshall looks at the dance-like moves that animals perform to survive all aspects of life.

Summer days mean the animals get to roam in the open meadows; the Hebridean sheep stage a breakout, giving the sheepdog her first chance at a roundup.

As the leaves change, wild urges grip the animals; Rams Roger and Hamish battle for dominance, while Sally the hen flies the coop for a tour of the farm.

The farm animals settle for the shortest days of the year; to stave off boredom, the cows enjoy holiday treats and a concert; Sheila is busy with nine piglets.

Summer days mean the animals get to roam in the open meadows; the Hebridean sheep stage a breakout, giving the sheepdog her first chance at a roundup.

As the leaves change, wild urges grip the animals; Rams Roger and Hamish battle for dominance, while Sally the hen flies the coop for a tour of the farm.

The farm animals settle for the shortest days of the year; to stave off boredom, the cows enjoy holiday treats and a concert; Sheila is busy with nine piglets.

Steve Backshall looks at the dance-like moves that animals perform to survive all aspects of life.

An aging leopard in Zambia is challenged by a younger female.

Many animals that live in water come on land to have their babies. Being born this way presents some major challenges for water babies to overcome. For some, simply getting to water in the first place can be the biggest trial of their young lives.

Dr. Cori taps into her wealth of experience to bring Ranger, the ailing cat, back from a life-or-death situation; in Saskatoon, a lost kitty gets a clean bill of health and finds a loving home with one of Dr. Allison's team members.

Dr. Allison's clinic is full of nerves and worry as she and her staff bring in their own animals for vet care; Dr. Emma picks up some tips for working with small companion animals from Calgary's top exotic vet specialist.

A look at the care, cleaning and feeding of the animals; a patient refuses to leave.

Jean meets the inhabitants of the Serengeti.

Some people are fighting to save the endangered massasauga rattlesnake, which was vilified for years.

The peregrine falcon population has been rising in numbers.

Visiting Penny the pigeon and her rescuer; getting a buzz from a refugee who finds comfort in beekeeping; diving with a shark dancer.

Jean meets the inhabitants of the Serengeti.

A look at the care, cleaning and feeding of the animals; a patient refuses to leave.

Dr. Cori does emergency surgery on Bijoux, a tiny shih tzu puppy in a life-or-death situation; Dr. Allison brings her veterinarian skills to help a small northern Saskatchewan Cree community with the health of their pets.

Dr. Emma takes on her first rabbit surgery and tackles her fear of rodents; Dr. Allison and the team realize Callie the dog has more than a sore tooth when a routine dental reveals bigger problems below the surface.

Summer days mean the animals get to roam in the open meadows; the Hebridean sheep stage a breakout, giving the sheepdog her first chance at a roundup.

As the leaves change, wild urges grip the animals; Rams Roger and Hamish battle for dominance, while Sally the hen flies the coop for a tour of the farm.

The farm animals settle for the shortest days of the year; to stave off boredom, the cows enjoy holiday treats and a concert; Sheila is busy with nine piglets.

Dr. Cori does emergency surgery on Bijoux, a tiny shih tzu puppy in a life-or-death situation; Dr. Allison brings her veterinarian skills to help a small northern Saskatchewan Cree community with the health of their pets.

Dr. Emma takes on her first rabbit surgery and tackles her fear of rodents; Dr. Allison and the team realize Callie the dog has more than a sore tooth when a routine dental reveals bigger problems below the surface.

Lions along the Luangwe River raise their cubs.

Mountains are some of the most challenging places for animals to live. Mountain babies must battle extreme weather and hungry predators. With food difficult to find, they have to work hard for every mouthful.

An international team of scientists investigates overfishing and how close we are to a global crash in fish populations.

The crucial ecological roles that beetles play in nearly every environment, and why they are often regarded "the most important species on the planet.".

In Samburu, matriarch Anastasia turns her elephant herd north after a local river dries up; cheetah mom Kuleta evades a crafty pack of hyenas in Naboisho; checking in on wild dog Phoenix and her new litter in Laikipia.

How elephants dig wells; a sudden river-filling downpour; cheetah Kuleta loses one of her cubs to lions; wild dog Phoenix faces off with a hyena mob.

The crucial ecological roles that beetles play in nearly every environment, and why they are often regarded "the most important species on the planet.".

In Samburu, matriarch Anastasia turns her elephant herd north after a local river dries up; cheetah mom Kuleta evades a crafty pack of hyenas in Naboisho; checking in on wild dog Phoenix and her new litter in Laikipia.

How elephants dig wells; a sudden river-filling downpour; cheetah Kuleta loses one of her cubs to lions; wild dog Phoenix faces off with a hyena mob.

An international team of scientists investigates overfishing and how close we are to a global crash in fish populations.

Lions along the Luangwe River raise their cubs.

Mountains are some of the most challenging places for animals to live. Mountain babies must battle extreme weather and hungry predators. With food difficult to find, they have to work hard for every mouthful.

Dr. Cori does emergency surgery on Bijoux, a tiny shih tzu puppy in a life-or-death situation; Dr. Allison brings her veterinarian skills to help a small northern Saskatchewan Cree community with the health of their pets.

Dr. Emma takes on her first rabbit surgery and tackles her fear of rodents; Dr. Allison and the team realize Callie the dog has more than a sore tooth when a routine dental reveals bigger problems below the surface.

Hope says goodbye to two celebrated patients; the grim reality of wildlife rehabilitation.

The Hudson Bay lowlands are critical to life in North America.

Animals that inhabit waters controlled by dams are put in danger.

Flying squirrels leaping through the air.

Embracing an invasive nutria who's become a part of the family; paddling around with Gumbo the goose; visiting a blind hedgehog and his human chum; exploring a swimmer's bond with wild gray seals.

The Hudson Bay lowlands are critical to life in North America.

Hope says goodbye to two celebrated patients; the grim reality of wildlife rehabilitation.

Dr. Cori's team is busy when they find a mysterious scar on a new shop cat and assist a puppy who was hurt after leaping from a car; Dr. Allison discovers an infection in a dog but is less confident in her dancing abilities as she learns to jig.

Volunteering with the Mission PAWSible mobile vet unit in a remote Indigenous community, Dr. Emma manages loose dogs getting rowdy at the clinic; a routine spay takes a shocking turn when she finds a bullet in a dog.

The crucial ecological roles that beetles play in nearly every environment, and why they are often regarded "the most important species on the planet.".

In Samburu, matriarch Anastasia turns her elephant herd north after a local river dries up; cheetah mom Kuleta evades a crafty pack of hyenas in Naboisho; checking in on wild dog Phoenix and her new litter in Laikipia.

How elephants dig wells; a sudden river-filling downpour; cheetah Kuleta loses one of her cubs to lions; wild dog Phoenix faces off with a hyena mob.

Dr. Cori's team is busy when they find a mysterious scar on a new shop cat and assist a puppy who was hurt after leaping from a car; Dr. Allison discovers an infection in a dog but is less confident in her dancing abilities as she learns to jig.

Volunteering with the Mission PAWSible mobile vet unit in a remote Indigenous community, Dr. Emma manages loose dogs getting rowdy at the clinic; a routine spay takes a shocking turn when she finds a bullet in a dog.

A Lion cub runt must survive alone.

Chris Packham investigates how nature's masterminds measure up against human brainpower; he explores how different animals, such as ravens, crows, bees and starlings, can use tools and solve complex puzzles.

A front-row seat to the planet's biggest biomass migration, the annual 1,000-mile sardine run along South Africa's east coast.

All airborne creatures embark on remarkable journeys through the air; some routes are short and others span across hundreds of miles.

Discover a city lying beneath the waves, where commuters flood the coral reef's main highways.

Feel the heat of summer's arrival as supersize sea snails try to fend off an invading gang of coral-hungry starfish; accompany reef sharks as they prowl for a midnight meal and marvel at the slippery disguise a parrotfish uses to survive the night.

All airborne creatures embark on remarkable journeys through the air; some routes are short and others span across hundreds of miles.

Discover a city lying beneath the waves, where commuters flood the coral reef's main highways.

Feel the heat of summer's arrival as supersize sea snails try to fend off an invading gang of coral-hungry starfish; accompany reef sharks as they prowl for a midnight meal and marvel at the slippery disguise a parrotfish uses to survive the night.

A front-row seat to the planet's biggest biomass migration, the annual 1,000-mile sardine run along South Africa's east coast.

A Lion cub runt must survive alone.

Chris Packham investigates how nature's masterminds measure up against human brainpower; he explores how different animals, such as ravens, crows, bees and starlings, can use tools and solve complex puzzles.

Dr. Cori's team is busy when they find a mysterious scar on a new shop cat and assist a puppy who was hurt after leaping from a car; Dr. Allison discovers an infection in a dog but is less confident in her dancing abilities as she learns to jig.

Volunteering with the Mission PAWSible mobile vet unit in a remote Indigenous community, Dr. Emma manages loose dogs getting rowdy at the clinic; a routine spay takes a shocking turn when she finds a bullet in a dog.

Hope prepares for one of the most important days of the year; a violent storm threatens the event.

Keepers dole out buckets of fresh fish for their sea lions and penguins and a bouquet of veggies for their century old tortoises.

Feeding critically endangered orangutans, cheetah and painted dogs.

Dr. Savannah treats a hound after the poor pup is kicked in the head by a horse; she must also race against time to treat and return an injured fawn into the wild after a cougar attacked it.

Dogs indeed account for more than half of the patients at Rocky Rapids Clinic; Dr. Savannah works tirelessly to keep rural Alberta's four-legged canine friends healthy and safe.

Walk on the wild side with Sirga the lion, whose human pal, Val, has been by her side since she was an orphaned cub; See Loki the raven entertain his BFF Elliott, cuddle with Hugger the stingray, and see why Trish and Garri the koala are like family.

The Asian carp, an invasive species, travels through North American waters, eating, breeding and decimating native fish populations.

Researchers continue to fight for the survival of the Lake Erie Watersnake, a species on the brink of extinction; a new source of food could mean the snakes have a future after all, so long as the lake's algae blooms cooperate.

Hope prepares for one of the most important days of the year; a violent storm threatens the event.

Dr. Cori sees it all, from stray puppies and anxious dogs with persistent paw injuries, to horses needing dental work; Dr. Allison tackles a growing lump on cuddly Jorah and takes an x-ray that means bad news for an older dog.

Dr. Allison and her team must monitor Shelby the Shih Tzu while trying to remove hundreds of tiny, grainy bladder stones; in Calgary, Dr. Emma and her team try to wrangle dogs for a blood drive.

Madagascar is home to strange animals not found anywhere else on Earth; when these animals fight for supremacy, their battles are just as strange, from weird neck-wrestling weevils to ring-tailed lemur moms that go into battle with baby on board.

Australia is home to an eclectic array of creatures, and the ways to succeed as an alpha are just as diverse; the beach turns into a dueling ground and the outback becomes a boxing ring, as animals face off with their own kind.

The African savanna is an epic landscape, and whether it's head-bashing hippos, hormone-crazed elephants or dueling lions, battles that rage on the savanna are just as epic.

Welcome to India - a land of exotic animals and exotic warfare; monkeys stage dusty dust-ups, blackbucks wage open war on the open plains, and peacock dandies swing switchblades: these are colorful battles worthy of a vibrant land.

Massive elephant seals go nose to nose to win the title of beach master; giant petrels earn the nickname "murderous garbagemen"; a female humpback goes to extremes to protect her calf from amorous males.

Canada, where summer is short and time is tight, any time is the right time to fight; the mighty North provides the setting for bison, bald eagles and polar bears to wage some of the most heavy-duty fighting in the animal kingdom.

Learning to fight dirty with a guanaco, headbutting a fellow iguana to claim a piece of prime territory, and meeting a hermit crab who forcibly evicts a tenant from its shell.

With real-life dueling dragons, giant sumo-wrestling beetles, street-fighting monkeys, and sea turtles that play king of the hill - on top of another sea turtle, Southeast Asia boasts a wide range of wildlife warriors.

Bighorn rams rattle the mountaintops; Brown bears battle, desperate to fatten up for winter; Sharp-tailed grouse shake their tail-feathers; Wild stallions rumble with beauty and grace.

From the Highlands to the Alps, Europe's evocative landscapes are the backdrop for epic wildlife drama; normally stoic red deer go wild during the rut; wolf packs clash over territory, and foxes do the foxtrot, but it's not as nice as it sounds.

Wildebeest battle for herd hierarchy, meerkats live the thug life, floppy fish fight it out on land and locusts give up their vegetarian ways in a frenzy of cannibalism; it all happens on the wild and wide-open landscape of South Africa.

The latitudes south of the Sahara offer vastly different battlegrounds for a wide range of warriors; male giraffes swing their heads like wrecking balls, zebras boast the most powerful kick in the animal kingdom, and chimpanzee warfare is familiar.

Every year, up to 80 polar bears gather on the frozen shores of Barter Island on the Arctic coast of Alaska.

Experience a pigeon's internal GPS and a dolphin's prey-sensitive seventh sense.

Strike foes with venomous jellyfish and see birds crush poisonous attacks.

Experience a pigeon's internal GPS and a dolphin's prey-sensitive seventh sense.