Breeding birds in captivity may alter their wing shapes and reduce post-release survival chances

Research into critically endangered orange-bellied parrot finds 1mm difference in length of one feather is enough to reduce survival rate by 2.7 times

Breeding in captivity can alter birds’ wing shapes, reducing their chances of surviving migratory flights when they are released to the wild, new research suggests.

A study of the critically endangered orange-bellied parrot has found that in captive-bred birds, those with altered wing shapes had a survival rate 2.7 times lower than those born with wings close to an ideal “wild type” wing.

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Indian state to open new Asiatic lion sanctuary as numbers soar

Gujarat accused of being possessive after conservationists pleaded for more of the endangered lions to be moved to other areas

Lion conservation efforts in the Indian state of Gujarat have been so successful that a new sanctuary will be opened to house the abundant numbers of big cats.

Gir national park is home to the world’s only Asiatic lion population and the only place outside Africa where a lion can be seen in its natural habitat.

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‘It’s over’: five-year hunt for Rambo the feral fox paves way for greater bilby to roam free

Conservationists are confident invasive predator is dead allowing native creatures to flourish again in NSW’s Pilliga Scrub once more

He was the fantastic fox that derailed a multi-million dollar plan to reintroduce endangered native species into one of Australia’s largest forests. But after a five-year hunt that involved 10,400 traps, 3,500 baits, 73 stakeouts, 55 days of scent-tracking dogs and 97 infrared cameras filming 40-hours a week, the red fox nicknamed “Rambo” is officially “no longer”.

It means, for the first time in a century, greater bilbies are running wild in north-west New South Wales.

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Australian Ethical offloads Lendlease shares over development threat to koala population

The fund believes itself to be ‘one of the first’ in Australia to divest from a company over a concern for an endangered species

One of Australia’s leading ethical investment managers says it has sold its shares in Lendlease over concerns a planned housing development in south-west Sydney threatens the survival of Sydney’s largest healthy koala population.

Australian Ethical has divested $11m in shareholdings in the property developer’s listed assets, saying Lendlease had failed to provide “critical information” about the width of planned koala corridors at stage two of its Gilead housing development.

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NSW Labor vows to fix ‘broken’ environmental offsets system if elected

Spokesperson Penny Sharpe says current system has ‘no red lines’ and party will deliver changes within first 18 months of government

New South Wales Labor has promised to fix the state’s “broken” environmental offsets system if it wins government in March, saying current policies are causing decline of endangered ecosystems instead of avoiding more damage.

“I think there’s a role for offsetting but the current system is skewed the wrong way,” the party’s environment spokesperson, Penny Sharpe, said.

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Florence and her cubs give hope that west African lion can come roaring back

National park in Senegal shows off three surprise new recruits in fight to save critically endangered species from extinction

A lioness in one of the world’s rarest lion populations has given birth to three cubs, new video footage shows, raising hopes that the critically endangered big cat can be saved from extinction.

In contrast to their southern cousins, west African lions have almost completely disappeared. Scientists believe between 120 and 374 remain in the wild, their historic range reduced to four populations clinging on in Nigeria, Benin, Niger and Burkina Faso.

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US firm to bid to turn DRC oil permits in Virunga park into conservation projects

Exclusive: company plans to sell carbon and biodiversity credits in endangered gorilla habitat and Congo basin rainforest as alternative to drilling for fossil fuels

A New York investment firm is to launch a $400m (£334m) bid for oil concessions in the Congo basin rainforest and Virunga national park with plans to turn them into conservation projects, the Guardian can reveal.

EQX Biome, a biodiversity fintech company, has sent an expression of interest to the Democratic Republic of the Congo (DRC) government for 27 oil exploration blocks put up for auction last July, some of which are in critical ecosystems.

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Last of Iran’s endangered Asiatic cheetah cubs in captivity dies

Authorities announce death of cub named Pirouz from kidney failure at veterinary hospital in Tehran

The last survivor of three critically endangered Asiatic cheetah cubs born in captivity in Iran has died in hospital from kidney failure.

Pirouz, who was admitted to the Central veterinary hospital due to kidney failure last Thursday, died after undergoing dialysis, the official IRNA news agency said.

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Canadian minister calls for emergency order to save country’s last spotted owls

Steven Guilbeault wants to block logging of critical old-growth forest to prevent owls from going extinct in British Columbia

Canada’s environment minister plans to use a rare emergency order to protect the last of an endangered owl species in an area where critical old-growth forest is slated for further clearcutting.

Steven Guilbeault advised the environmental groups Ecojustice and the Wilderness Committee that he believed the spotted owl was facing “imminent threats to its survival” and he would use the powers to block further destruction of its habitat in British Columbia, the groups announced on Thursday afternoon.

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Activists call for immediate halt to duck and kangaroo hunting after Murray Darling floods

Victoria, New South Wales and South Australia have increased kangaroo harvest quotas for 2023 but impact from floods yet to be assessed

Animal welfare advocates are calling for a moratorium on commercial and recreational shooting of wildlife affected by the devastating Murray-Darling floods.

Wildlife Victoria has called for the “immediate cessation” of the Victorian government’s kangaroo harvesting program and a moratorium on the annual duck hunting season, which usually begins in March.

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Hunters go home empty-handed on first day of Sweden’s biggest wolf cull

Hunters allowed to kill 75 wolves from an already endangered population of 460 amid ‘political pressure’ from hunting lobby

The biggest wolf cull in modern times has begun in Sweden as nature organisations warn it could drastically harm the population.

On Monday, the Guardian accompanied 200 hunters as they went to kill wolves in the frost-covered forests between Gävleborg and Dalarna, hunting from midnight until the sun set at 3pm. Groups will be going out across Sweden all month as they attempt to take down the large predators.

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Release of 10 quolls boosts ‘insurance’ population of endangered marsupial

The animals were released into Aussie Ark’s 400-hectare Barrington Wildlife Sanctuary

In a “globally significant moment” which gives a near-extinct species a second lease at survival, 10 eastern quolls have been released into a New South Wales nature reserve.

The animals were released into Aussie Ark’s 400-hectare Barrington Wildlife Sanctuary in the state’s Upper Hunter region, bolstering a flourishing insurance population of quolls.

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Australia’s mountain mist frog declared extinct as red list reveals scale of biodiversity crisis

Experts describe it as a ‘beautiful endemic rainforest species’, one of several that have not been seen for decades

The mountain mist frog, a species once found across two-thirds of Australia’s wet tropics, has been declared extinct on the International Union for Conservation of Nature red list.

The last recorded sighting of the frog, most commonly found near Thornton Peak, north-west of Cairns, was in April 1990. It is believed to have been wiped out by chytrid fungus, a disease that attacks the skin and has destroyed amphibian populations across the globe, though a reduction in its natural habitat due to rising temperatures driven by greenhouse gas emissions may have also played a role.

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Chester zoo hails birth of rare Malayan tapir as ‘important moment’

Female calf named Nessa will help efforts to protect species, of which fewer than 2,500 remain in the wild

An endangered Malayan tapir has been born at a UK zoo, in what the zoo said was an “important moment” for conservation.

The female calf, which zookeepers have named Nessa, was born weighing 9kg on Wednesday at Chester zoo, one of only two places in the country to keep tapirs, a species related to the horse and the rhinoceros.

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‘Tangled mess of inaction’: hundreds of threatened species recovery plans expiring in next six months

Growing list facing extinction and underresourcing of conservation means plans have not been updated

Hundreds of plans for the recovery of threatened species will reach their use-by date in the next six months as the government considers how to reform Australia’s flawed system of environmental protections.

Documents released to Guardian Australia under freedom of information laws detail how underresourcing, disagreement with state governments, and the growing list of species threatened with extinction have constrained the federal environment department’s ability to get on top of a backlog of conservation work.

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Rocket launches pose extinction-level threat to SA’s tiny southern emu wren, conservationists warn

Tanya Plibersek could list the bird as endangered amid concerns about proposed rocket launch site

A tiny southern emu wren, which conservationists fear is under threat from rocket launches, could be listed as endangered within days.

Conservationists say planned rocket launches on the Eyre Peninsula in South Australia pose an extinction-level threat to the wren, one of Australia’s smallest birds.

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Alarming manatee death toll in Florida prompts calls for endangered status

Mammals were downgraded from endangered to threatened in 2017, even as pollution and habitat loss drive starvation

The deaths of almost 2,000 manatees in Florida’s coastal and inland waterways over the last two years has provoked an alliance of environmental groups to demand an urgent reclassification of the species to officially endangered.

The advocates, led by the non-profit Center for Biological Diversity, insist the US Fish and Wildlife Service (FWS) made a critical error in 2017 by prematurely downgrading the status of the giant aquatic mammals from endangered to merely threatened.

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Beloved giant panda given to Taiwan by China dies aged 18 after seizures

Tuan Tuan, gifted to Taiwan 14 years ago when relations were warmer, allowed to ‘continue to sleep’ after being anaesthetised

A panda given to Taiwan by China 14 years ago as a symbol of what were then warmer ties died on Saturday, after suffering seizures, Taipei zoo said.

Tuan Tuan and his breeding mate Yuan Yuan were given to Taiwan by Beijing in late 2008, at a time when relations between the two were more cordial.

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Fish passes give endangered twaite shad chance to swim up Severn River and spawn

Return of one of one of Britain’s rarest fish confirmed after DNA found in water samples above fish passes

For nearly two centuries, one of Britain’s rarest fish has been shut out of its spawning grounds by large weirs.

But the endangered twaite shad has now returned to its historic spawning habitat on the River Severn, thanks to four new fish passes that enable the migratory fish to negotiate weirs and swim up river to lay eggs.

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Iberian lynx that helped save species from extinction dies aged 20

Aura, born when just 94 Iberian lynxes remained, dies in Spain at record age and leaves a ‘phenomenal legacy’

A grumpy, strong-willed Iberian lynx called Aura that helped snatch her species from the jaws of extinction, and whose genes live on in more than 900 of the spotted and tufty-eared felines, has died in southern Spain at the record age of 20.

When Aura was born in Andalucía’s Doñana national park in 2002, there were a mere 94 Iberian lynxes on the peninsula. Decades of eradication efforts, together with a massive drop in rabbit numbers because of myxomatosis and rabbit hemorrhagic disease – not to mention human encroachment – had left the animals on the brink of disappearing.

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