Marine Animals
Spiral tusks, big square heads, strange pink skin: 10 weirdest dolphins and whales on the planet
From unicorn-like narwhals to pink river dolphins and whales with boxy skulls, the ocean is home to some truly bizarre-looking cetaceans.
Drones capture rare killer whales off Washington coast doing something very special
Orca scientists filmed the touching moment Southern Resident killer whales rubbed their bellies together.
When a drone photographer filmed one of the world's most elusive whales, they did something that surprised him
Omura's whales are one of the most elusive baleen whales, only being formally identified in 2003
It is as long as a cricket pitch, weighs a mighty 30 tonnes (that's three-times the weight of a T-rex) and can live for a century
The whale shark is the world's largest shark and fish species, with a maximum age estimated to be 100 years and it's thought they can reach up to 20 metres in length.
Free Willy: When Hollywood’s most famous orca was rescued from captivity he vanished into the ocean – But what happened next?
It looks like a bundled-up sheet of bubble wrap or a weird ball of jelly bubbles and is often found on strandlines – but what on earth is it?
Nazi warheads found off German coast. What's living on them stuns scientists
With the aid of a submersible, researchers found thousands of animals thriving on the abandoned explosives in the Baltic Sea.
What's the strongest material produced by animals?
Animals can produce incredibly strong substances - so who makes the toughest?
“I waited an hour, freezing in the water": Diver spots sharks motionless on seabed. What happened next has never been filmed before
The incredible footage was captured near New Caledonia in the south-west Pacific Ocean.
Baited cameras dropped deep into Caribbean Sea. Then this showed up
The Atlantic six-gill shark was one of four species of shark recorded for the first time off the island of Anguilla in the eastern Caribbean Sea, say researchers.
Never-seen-before BBC footage captures killer whales pretending to drown one of their own in chilling hunting session
The behaviour was filmed for the first time for BBC’s Parenthood after scientists spotted orcas off the coast of Bremer Bay, Western Australia, exhibiting it
Diver has close encounter with 2.5m giant off Vancouver Island
Incredible footage shows the moment a huge wolf eel strikes in British Columbia.
World's 11 deadliest sea creatures: Meet the most dangerous animals in the ocean
Sharks aren’t the only danger in the ocean. Here are our top 10 most deadly sea creatures, from those that sting to those that bite
It might be slow but don't be fooled as this is one of the world's deadliest snipers, causing paralysis, necrosis, coma, respiratory failure and death in humans – lovely...
Deadly yet potentially lifesaving, the venom of cone snails is powerful enough to kill hundreds of people — but could also hold the key to new treatments for diabetes and other diseases.
Odd animal seen 'flying' over seafloor in Caribbean. But that's not the strangest thing it does
Flying gurnards tap the sand as they skim along the bottom of the ocean. Researchers say the unusual behaviour has a vital purpose.
Enormous piles of rotting seaweed mount up on Florida beaches – and they're snaring sea turtle hatchlings
Record amounts of sargassum seaweed washing up on the coast of Florida are making it harder for vulnerable sea turtle hatchlings to reach the ocean, new research finds.
It contains the world’s deadliest snake and one of the only venomous mammals – so why does Australia have so much deadly wildlife?
Is the wildlife really more deadly 'down under'? Helen Pilcher takes a look at why Australia has so many dangerous animals
Octopuses could help us build robots that rescue people from collapsed buildings. Here's how
New research reveals octopuses use all their arms for different tasks – a discovery that could inform the design of life-saving robots.
Which animal has the longest intestine in the world? Surprisingly, scientists don’t actually know for sure – but they have a pretty good guess...
Ever wondered which animal has the longest intestine? Well, so do scientists...
When a colossal sea creature washed up on a beach in Britain, experts were called in to solve the mystery
Arriving at the scene, they identified the animal as a fin whale, the second largest creature on Earth after the blue whale.
Critically endangered sharks being sold as food in US grocery stores, new study finds
Shark meat sold in grocery stores, seafood markets and via online vendors often comes from endangered species and is frequently mislabelled, say researchers.
What do dolphins do during storms?
Author and wildlife guide Jon Dunn explains how dolphins cope with stormy weather.
Peculiar deep-sea creature with huge eyes discovered 3,628m down off Californian coast
Scientists say the strange-looking animal is one of three new species of snailfish found on a recent expedition to the bottom of the Monterey Canyon off the west coast of USA.
'Ghost sharks' are lurking off the coast of Washington – and they have teeth growing out of their foreheads
Researchers have discovered that the bizarre-looking spotted ratfish has a row of real teeth between its eyes.