‘Gamechanging’ £10m environmental DNA project to map life in world’s rivers

eBioAtlas programme aims to identify fish, birds, amphibians and land animals in freshwater systems from the Ganges to the Mekong

Concealed by the turbid, swirling waters of the Amazon, the Mekong and the Congo, the biodiversity of the world’s great rivers has largely remained a mystery to scientists. But now a multimillion-pound project aims to describe and identify the web of life in major freshwater ecosystems around the world with “gamechanging” DNA technology.

The International Union for Conservation of Nature (IUCN) and UK-based environmental DNA (eDNA) specialists NatureMetrics have launched a partnership to take thousands of water samples from freshwater river systems like the Ganges and the Niger delta to identify the fish, birds, amphibians and land animals that live in and around them.

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An oyster: they can hear the breaking waves | Helen Sullivan

To eat an oyster raw is to eat it alive

On the oyster’s edge, under the sea, on a rock, a tree root, a bamboo pole, a pebble, a tile or another shell, the bivalve’s cilia – from the Latin for eyelash – are waving. Together, they move water over the oyster’s gills – its shell is open, its muscles are relaxed. The oyster has lungs. It has a three-chambered heart. An hour passes; the oyster has filtered five litres of water. The oyster has listened to the breaking waves: it opens and closes according to the tides.

One valve is the cupped half of the shell, the other is the flat half. A cargo ship sounds its horn. The oyster shuts in fright.

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‘My God, I’m in a whale’s mouth’: lobster diver on brush with hungry humpback

Michael Packard, 56, was spat out after half a minute but expert says experience would have been ‘totally freaky’ for the whale

A New England lobsterman has described the moment he realised he was trapped in the mouth of a humpback whale off the coast of Cape Cod.

“Oh my God, I’m in a whale’s mouth and he’s trying to swallow me. I thought to myself, ‘hey, this is it. I’m finally going to die. There’s no getting out of here,’’’ Michael Packard told a local news station in Provincetown, Massachusetts.

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‘Everything went dark’: humpback whale swallows and spits out diver

The Cape Cod fisherman estimates he was in the beast’s mouth for 30 seconds; experts say the encounter was a fluke

A commercial lobster diver who got caught in the mouth of a humpback whale off the coast of Cape Cod on Friday morning said he thought he was going to die.

Michael Packard, 56, of Wellfleet, told WBZ-TV after he was released from Cape Cod hospital that he was about 45ft (14 meters) deep in the waters off Provincetown when “all of a sudden I felt this huge bump, and everything went dark”.

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‘We’re causing our own misery’: oceanographer Sylvia Earle on the need for sea conservation

‘Queen of the Deep’ says it is not too late to reverse human-made damage to oceans and preserve biodiversity

The world has the opportunity in the next 10 years to restore our oceans to health after decades of steep decline – but to achieve that, people must wake up to the problem, join in efforts to protect marine areas and stop eating tuna, according to the oceanographer and deep sea explorer Sylvia Earle.

“We are at the most exciting time maybe ever to be a human, because we’re armed with knowledge,” said Earle, also known as the Queen of the Deep and “her Deepness”. Earle has also set numerous records for deep sea diving, and was the first woman to serve as chief scientist of the US National Oceanic and Atmospheric Administration.

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Finding fangs: new film exposes illicit trade killing off Bolivia’s iconic jaguar

Undercover documentary investigates the trafficking of Latin America’s big cat to meet demand in China

Elizabeth Unger was a 25-year-old biology graduate working as a PhD research assistant for big cat and climate projects in Latin America when she heard about the Bolivian authorities intercepting dozens of packages containing jaguar fangs sent by Chinese citizens to addresses in China.

“I was really blown away as [the story] was completely under the radar,” she says. Six years later, she is making her directorial debut with a film about the trade, which is contributing to a decline in the population of Latin America’s iconic big cat.

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Australian researchers discover why only two of echidna’s four penis heads become erect at one time

The major blood vessel of the penis splits into two main branches which each supply two of the four penile heads

The penis of an echidna has four heads but only two become erect at any one time. Now, Australian researchers have uncovered why.

Scientists discovered the marsupial has unusual reproductive anatomy that causes male echidnas to ejaculate from only two of their four penile heads at one time.

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Joe Biden swats cicada from neck while boarding Air Force One – video

Joe Biden swatted a cicada from his neck while on the tarmac as he prepared to board Air Force One on his journey to the G7 summit in Cornwall. Every 17 years, cicadas swarm several eastern and midwest US states, and 'Brood X', the largest and most widespread of them, began emerging last month. After giving himself a hearty swat, Biden walked over to the assembled press and joked: 'Watch out for the cicadas. It got me. I got one'

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‘I fell in the water, but it was worth it!’: Guardian readers on their most extraordinary bird photographs

From friendly Antarctic penguins to the rainbow plumage of a Colombian hummingbird, our readers on their favourite images – and the lengths they went to to capture them.

I took this photo at the end of January in Balloch, Scotland. I have always wanted to take a picture of a male mandarin duck. It is the bird that made me want to start taking photographs. They are beautiful, with so many stunning colours. At the end of January, I had heard via Facebook that there was a pair of them up the road from me. I got up early and drove to Balloch. I had all but given up hope, when all of a sudden I saw the bright orange tail feathers of the duck in between some bushes on the river’s edge. I had to lean on a tree that was in the water to take the pictures. I then fell into the water and tore my trousers, but it was worth it. Paul Fraser, 36, freshwater biologist, Callander, Scotland

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British woman in coma after twin fights off crocodile in Mexico

Sister punched crocodile in head after it attacked in a lagoon where they had been swimming

A British woman is in a medically induced coma in Mexico after she was attacked by a crocodile in a lagoon where she and her twin sister had been taken by a tour guide.

Melissa and Georgia Laurie, 28, from Berkshire, had been swimming in the lagoon, about 10 miles from Puerto Escondido, Oaxaca, on the south-east coast of the country, when Melissa was attacked.

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‘Birds are here for everyone’: how Black birdwatchers are finding a community

In a 2011 study by the Fish and Wildlife Service, 93% of birders surveyed were white while just 4% were Black

“This is my form of therapy,” says Mariana Winnik, a third-grade teacher and avid birdwatcher from Brooklyn. Wearing a T-shirt with illustrations of birds and wielding a pair of binoculars and a trusty bird identification app, Winnik makes her way through north Central Park, on a mid-morning Saturday walk led by Christian Cooper.

Cooper says he doesn’t usually lead bird walks because of the responsibility that comes with it. “I feel awful if we go out and we don’t see a lot of good birds,” he says.

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We are running out of time to reach deal to save natural world, says UN talks chair

Warning comes amid fears of further delays to Kunming summit, which aims to agree on curbing destruction of ecosystems

The world is running out of time to reach an ambitious deal to stem the destruction of the natural world, the co-chair of negotiations for a crucial UN wildlife summit has warned, amid fears of a third delay to the talks.

Negotiators are scheduled to meet in Kunming, China, in October for Cop15, the biggest biodiversity summit in a decade, to reach a hoped-for Paris-style agreement on preventing wildlife extinctions and the human-driven destruction of the planet’s ecosystems.

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Excited, pursuing bear: Florida officials seek unusual urban visitor

Sightings of black bear continue but state wildlife officials unsuccessful in attempts to trap and relocate it

In a summer’s tale to enthrall inhabitants of the south-western Florida city of Naples, a black bear seen wandering around downtown eluded wildlife officials – even as sightings of the animal continued.

Police said the bear was first spotted in the city on Friday, near 12th Avenue South and 6th Street South. Several unsuccessful attempts were made to trap the bear in hopes of relocating it, the Naples Daily News reported.

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NSW buys 60,000 hectares of farmland near Broken Hill for outback nature reserve

Purchase of Langidoon and Metford sheep stations is the second-biggest national parks land procurement in NSW in the last decade

The New South Wales government has purchased more than 60,000 hectares of farmland near Broken Hill for an outback nature reserve, home to at least 14 threatened species.

In an effort to expand conservation efforts in the traditionally underrepresented far west of the state, on Monday NSW environment minister Matt Kean announced the government had finalised the purchase of the neighbouring Langidoon and Metford sheep stations.

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Frightened terns abandon 3,000 eggs after drone illegally crashes on beach

Departure marks one of the largest-scale abandonments of eggs ever at coastal site north of San Diego

About 3,000 elegant tern eggs were abandoned at a southern California nesting island after a drone crashed and scared off the birds, a newspaper reported Friday.

Two drones were flown illegally over the Bolsa Chica ecological reserve in Huntington Beach in May and one of them went down in the wetlands, the Orange County Register said.

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Escaped elephants wreak havoc in south-west China – video report

A herd of 15 elephants have caused destruction in south-west China, including eating fields of corn and smashing up barns, after escaping from Xishuangbanna nature reserve in Yunnan province. On Tuesday, Yunnan authorities said the herd was 12 miles from the provincial capital of Kunming, home to millions of people

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Hundreds of fishing fleets that go ‘dark’ suspected of illegal hunting, study finds

Vessels primarily from China switch off their tracking beacons to evade detection while they engage in possible illegal fishing

Giant distant-water fishing fleets, primarily from China, are switching off their tracking beacons to evade detection while they engage in a possibly illegal hunt for squid and other lucrative species on the very edge of Argentina’s extensive fishing grounds, according to a new study by Oceana, an international NGO dedicated to ocean conservation.

Every year, vessels crowd together along the limits of Argentina’s Exclusive Economic Zone (EEZ) to take advantage of the lucrative fishing grounds.

Related: Cat and mouse on the high seas: on the trail of China's vast squid fleet

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Escaped elephants leave 500km trail of destruction in China

Wild herd has wrecked barns and munched its way through fields of crops after absconding from nature reserve in April

A herd of 15 elephants have caused destruction in south-western China, including eating whole fields of corn and smashing up barns, after escaping from a nature reserve in April.

Measures taken to keep migrating #elephants away from residential zones in #Yunnan.
#云南 #野象“旅行团”近日一路北迁,有关部门采取措施全力防范象群迁徙带来的公共安全隐患,确保人象安全。
by 吴歌 via CGTN pic.twitter.com/DDfH26nY2b

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Sri Lanka faces disaster as burning ship spills chemicals on beaches

Debris has killed marine life and is being seen as country’s worst environmental catastrophe

Sri Lanka is facing the worst environmental disaster in its history after a cargo ship carrying chemicals caught fire off its coast, spilling microplastics across the country’s pristine beaches and killing marine life.

The fire on MV X-Press Pearl, a Singapore-registered ship, broke out on 20 May and has been burning ever since. The Sri Lankan navy and Indian coastguard have been trying to reduce the flames for more than 10 days.

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