Environment

Scientists say a group living in the Araguaia River, Brazil has been isolated from other varieties for more than two million years

Authorities investigate after dolphins are found with gunshot wounds in Gulf of Mexico

Authorities are investigating several attacks on dolphins in the northern Gulf of Mexico after some were found with gunshot wounds, cuts and missing jaws.

Scientists believe that at least a third of all the marine life forms may be completely unknown to science

A million species of animals and plants live in the ocean say scientists

The first official register of what lives in the oceans has revealed that the marine environment may be home to as many as a million species of animals and plants, but only about a quarter of them have actually been formally described.

A screen shot of the dolphin that was found stranded on the shore in the aftermath of Hurricane Sandy

Dolphin stranded in New Jersey after hurricane

A dolphin has been washed ashore by storm Sandy which made landfall near Atlantic City, New Jersey on Monday evening. The dolphin could be seen squirming on Point Pleasant Beach. Animal rescue officials were called.

Reuters

Lonesome George was the last remaining tortoise of his kind

The tragically early death of Lonesome George (1912-2012)

The giant tortoise's demise means his kind are extinct. Michael McCarthy pays tribute and asks which species is next

There has been a 70% decline in tiger population over 30 years

Wildlife numbers dwindling – and it's all down to us

Crisis warning with global consumption of natural resources at record levels. By Michael McCarthy

Bird deaths trigger health alert in Peru

The Peruvian government has declared a health alert along the country's northern coast and urged people to avoid long stretches of beach, as it investigates the mysterious deaths of hundreds of dolphins and pelicans.

It is unclear whether a virus or underwater sound waves from oil exploration are causing the deaths

Mystery of mass dolphin deaths in Peru

Maritime scientists in Peru are trying to solve a mystery that has turned stretches of the country's beaches into a grim dolphin morgue.

Scientists continue to investigate dolphin deaths off Peru

Scientists and Peruvian officials are investigating a mass die-off of hundreds of dolphins along the South American country's coast.

Album: Morton Subotnick, Electronic Works Vol 3 (Mode)

Morton Subotnick was a 1960s pioneer of classical electronic composition, using his Buchla modular system to access unique tones and timbres, rather than approximate the sounds of acoustic instruments.

Bottlenose dolphins off Brazil drive fish towards fishermen and then swim away, nabbing lunch as they go

Nature: All things bright and beautiful

Scientists are arguing that dolphins are so clever they should be treated like humans. But why stop there? Simon Usborne salutes the smartest species

Marine intelligence: Whales and dolphins are the brains of the oceans

Proposed bill of rights for whales and dolphins

Marine biologists and philosophers have joined forces to support a controversial declaration of rights for whales and dolphins because their astonishing intelligence and emotional empathy makes them equal to humans.

Whales and dolphins are so intelligent they deserve same rights as humans, say experts

Marine biologists and philosophers have joined forces to support a controversial declaration of rights for whales and dolphins on the grounds that their astonishing intelligence and emotional empathy puts them on a par with humans.

Quote of the day: Tony Dolphin

Anna Calvi says of Wild Beasts: 'Their album Smother is great. It's full of subtleties; chords are implied rather than over-emphasised, and the drums are integral to the melodic interest of each song.'

The sounds and songs the stars fell in love with in 2011

Anna Calvi, Ghostpoet and Leslie Feist all made great albums this year. Here, they and others pick the music that rocked their year

Lolita with her trainer

Willy was freed. Now it's time to 'liberate Lolita'

Activists, angry at a killer whale's continuing captivity in a Florida theme park, are off to court

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The difference between America and Israel? There isn’t one

The difference between America and Israel? There isn’t one

Netanyahu knows he can get away with anything in America, says Robert Fisk
Families clubbing together to build their own affordable accommodation

Do It Yourself approach to securing a new house

Community land trusts marking a new trend for taking the initiative away from developers
Head of WWF UK: We didn’t send Cameron to the Arctic to see green ideas freeze

David Nussbaum: We didn’t send Cameron to the Arctic to see green ideas freeze

The head of WWF UK remains sanguine despite the Government’s failure to live up to its pledges on the environment
Author Kazuo Ishiguro on being inspired by shoot-outs and samurai

Author Kazuo Ishiguro on being inspired by shoot-outs and samurai

Set in a mythologised 5th-century Britain, ‘The Buried Giant’ is a strange beast
With money, corruption and drugs, this monk fears Buddhism in Thailand is a ‘poisoned fruit’

Money, corruption and drugs

The monk who fears Buddhism in Thailand is a ‘poisoned fruit’
America's first slavery museum established at Django Unchained plantation - 150 years after slavery outlawed

150 years after it was outlawed...

... America's first slavery museum is established in Louisiana
Kelly Clarkson: How I snubbed Simon Cowell and become a Grammy-winning superstar

Kelly Clarkson: How I snubbed Simon Cowell and become a Grammy-winning superstar

The first 'American Idol' winner on how she manages to remain her own woman – Jane Austen fascination and all
Tony Oursler on exploring our uneasy relationship with technology with his new show

You won't believe your eyes

Tony Oursler's new show explores our uneasy relationship with technology. He's one of a growing number of artists with that preoccupation
Ian Herbert: Peter Moores must go. He should never have been brought back to fail again

Moores must go. He should never have been brought back to fail again

The England coach leaves players to find solutions - which makes you wonder where he adds value, says Ian Herbert
War with Isis: Fears that the looming battle for Mosul will unleash 'a million refugees'

The battle for Mosul will unleash 'a million refugees'

Aid agencies prepare for vast exodus following planned Iraqi offensive against the Isis-held city, reports Patrick Cockburn
Yvette Cooper: We can't lose the election. There's too much on the line

Yvette Cooper: We can't lose the election. There's too much on the line

The shadow Home Secretary on fighting radical Islam, protecting children, and why anyone in Labour who's thinking beyond May must 'sort themselves out'
A bad week for the Greens: Leader Natalie Bennett's 'car crash' radio interview is followed by Brighton council's failure to set a budget due to infighting

It's not easy being Green

After a bad week in which its leader had a public meltdown and its only city council couldn't agree on a budget vote, what next for the alternative party? It's over to Caroline Lucas to find out
Gorillas nearly missed: BBC producers didn't want to broadcast Sir David Attenborough's famed Rwandan encounter

Gorillas nearly missed

BBC producers didn't want to broadcast Sir David Attenborough's famed Rwandan encounter
Downton Abbey effect sees impoverished Italian nobles inspired to open their doors to paying guests for up to €650 a night

The Downton Abbey effect

Impoverished Italian nobles are opening their doors to paying guests, inspired by the TV drama
China's wild panda numbers have increased by 17% since 2003, new census reveals

China's wild panda numbers on the up

New census reveals 17% since 2003