Unusual sightings of the Asian koel in Melbourne raise mysteries for migration researchers

Increase in reports of the koel and its loud mating call south of its usual territory may be attributable to climate change, scientists say

Climate change may be one reason why the so-called devil bird – known for its incessant late-night mating call – has become more common in Melbourne’s outer suburbs, according to researchers.

The koel, a migratory bird, usually arrives in Australia from Papua New Guinea and Indonesia to breed from late September to early October, when the male will sing his advertising call day and night to attract a female.

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Thames Water’s real-time map confirms raw sewage discharges

Effluent in Gloucestershire river pinpointed by digital map as water companies accused of routinely pumping out waste to rivers

The market town of Fairford, nestling in the Cotswold hills, is perhaps best known for its church, which has the only complete set of mediaeval stained glass windows in England.

But thanks to a more modern phenomenon, an interactive digital map produced by Thames Water, the Gloucestershire town, with its traditional honey coloured limestone houses, is becoming better known for its continuous, gushing, raw sewage overflow.

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Delight as dolphins spotted in New York’s Bronx River

Encouraging sign for river that suffered as dumping ground for waste from nearby factories

Dolphins have been spotted frolicking in New York City’s Bronx River, an encouraging sign of the improving health of a waterway that was for many years befouled as a sewer for industrial waste.

A pair of dolphins was seen gliding through the river’s waters on Monday, the New York City parks department confirmed, near a small park in the city’s Bronx borough. The Bronx river rises north of New York City and cuts through the Bronx before terminating in the East River, the estuary that separates the Bronx and Manhattan from the boroughs of Queens and Brooklyn.

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What a crock: second Stradbroke Island crocodile sighting confirmed as dugong

After hours of debate among locals, Queensland’s acting premier Steven Miles declared that rangers had spoken

Queensland’s acting premier has shut down speculation of a second crocodile sighting on North Stradbroke Island, also known as Minjerribah, revealing rangers had declared new footage taken on Friday as showing a dugong.

After reports of a “credible” crocodile sighting on Wednesday, 400km south of its usual habitat range, the island was again in a frenzy on Friday as residents swarmed to One Mile jetty to catch a glimpse of something moving through the water.

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Sint Maarten approves plan to cull entire population of vervet monkeys

The Caribbean territory plans to exterminate at least 450 of the invasive primates – but critics disagree with the proposal

The government of Sint Maarten in the eastern Caribbean has approved a controversial plan to cull its entire population of vervet monkeys, as the proliferation of the invasive species becomes an increasing nuisance on the Dutch island territory.

Authorities will fund the Nature Foundation St Maarten NGO to capture and euthanise at least 450 monkeys over the next three years in the territory which borders French St Martin.

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‘Extinction crisis’ of sharks and rays to have devastating effect on other species, study finds

Almost two-thirds of sharks and rays living on world’s coral reefs at risk, with 14 of 134 species reviewed critically endangered

Almost two-thirds of sharks and rays that live around the world’s coral reefs are threatened with extinction with potentially dire knock-on effects for ecosystems and coastal communities, according to new research.

Overfishing was the main cause of the declines over the past half a century, with larger sharks and rays being particularly hard hit.

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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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Kenya declares war on millions of birds after they raid crops

Toxic pesticides used to eradicate grain-eating quelea may harm the country’s endangered raptors, say conservationists

A drive by the Kenyan government to kill up to 6 million red-billed quelea birds that have invaded farms will have unintended consequences for raptors and other wild species, experts have warned.

The continuing drought in the Horn of Africa has reduced the amount of native grass, whose seeds are queleas’ main food source, causing the birds to increasingly invade grain fields, putting 2,000 acres (800 hectares) of rice under threat. About 300 acres of rice fields have been destroyed by the birds.

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‘I don’t want this to end’: runner hits Melbourne after covering length of Australia in 150 consecutive marathons

Erchana Murray-Bartlett reaches end of epic journey from ‘tip to toe’ of Australia – smashing women’s record for consecutive daily marathons

Months after starting out from the tip of Cape York, Erchana Murray-Bartlett is set to complete her 150th consecutive daily marathon in Melbourne on Monday, finishing a record-breaking journey through Australia’s eastern states.

Murray-Bartlett set out in August to run more than 6,200km, raising money for the Wilderness Society and awareness of Australia’s extinction crisis – just days before Ned Brockmann began his 4,000km run from the west to east coast.

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Three dead boa constrictors discovered at Carbeth Loch near Glasgow

SSPCA says circumstances of incident suspicious as its launches appeal for information about the snakes

An animal rights charity is appealing for information after the bodies of three snakes were found at a fly-tipping spot near Glasgow.

The Scottish Society for Prevention of Cruelty to Animals (SSPCA) said the boa constrictors were discovered by a member of the public at a site near Carbeth Loch in Blanefield.

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‘World’s longest river cruise’ could threaten endangered Ganges dolphin, experts warn

A luxury cruise has been hailed as the start of a new age of Indian tourism. But conservationists fear the impact of increased river traffic and pollution

The Indian prime minister, Narendra Modi, has officially launched the “world’s longest river cruise” from the city of Varanasi in Uttar Pradesh. The luxury voyage will last 51 days, travelling 3,200km via Dhaka in Bangladesh to Dibrugarh in Assam, crossing 27 river systems.

The three-deck MV Ganga Vilas, with 18 suites, is the latest venture in a trend for cruise tourism in India being promoted by the government. Modi hailed the cruise industry on the Ganges as a “landmark moment”, which will herald a new age of tourism in India.

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Carp spawning event fills Murray-Darling flood waters with masses of flailing fish

Experts say while boom in invasive species is not good news for some native fish, there will be winners – including water birds

In creeks, rivers and flood waters across the Murray-Darling Basin, an uncountable and unfathomable number of invasive carp are turning waters into bubbling masses of flapping and flailing fish.

“It’s quite a sight,” said Dr Matt Herring, an environment consultant. “I walked through one of the schools of carp a few days ago and it’s the first time I’ve trodden on fish with every step.”

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France’s refusal to ban Sunday hunting angers anti-hunt campaigners

Tougher sentences to be imposed for those causing accidents but activists dismiss alcohol ban as ‘laughable’

The French government has angered anti-hunt campaigners after refusing to ban hunting on Sundays during the season.

Instead, it has declared a ban on drinking alcohol and taking drugs while hunting, a move activists say is unenforceable, and will set up a voluntary application for hunters to indicate where they are active.

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Walrus swims north to Northumberland after Yorkshire recuperation

Thor, seen in Hampshire and Scarborough – where fireworks were cancelled to spare him distress – has now been spotted in Blyth

A wandering walrus who delighted thousands in Scarborough on New Year’s Eve has continued his English tour and turned up 100 miles further up the coast.

A large crowd quickly gathered in the Northumberland town of Blyth on Monday lunchtime after a walrus was spotted resting on a wooden pontoon at the yacht club.

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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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Thirteen bison killed after road crash near Yellowstone national park

Herd struck by semi-truck on Montana highway, with some of the bison needing to be euthanized ‘due to severe injuries’

Thirteen bison have died as a result of a road crash in the dark on a Montana highway near Yellowstone national park, authorities have announced.

In a statement released on Facebook, the West Yellowstone police department announced that around 6.30pm on Wednesday “multiple bison were struck by a semi-truck near mile marker 4 on Highway 191”, referring to a highway north of the town of West Yellowstone.

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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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What the devil? Woman mistakes real Tasmanian marsupial for dog toy in Hobart home

Kirsten Lynch says the Tasmanian devil – who was gently shooed outside – likely followed their golden retriever puppy into the house

Hobart woman Kirsten Lynch got the fright of her life on Wednesday night when she went to pick up her golden retriever’s Tasmanian devil plush toy and it ran away.

“I went to reach for it, the devil shot underneath the couch,” she said.

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UK wildlife ‘devastated by litany of weather extremes’ in 2022

National Trust’s annual audit reveals a dire year for animals from toads and bats to birds and butterflies

This year’s tumultuous weather – including fierce storms, searing heat, deep cold snaps – has devastated some of the UK’s most precious flora and fauna, a leading conservation charity has said.

The extreme conditions have made survival very difficult for animals from toads and bats to birds and butterflies, and from great trees to meadowland flowers.

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Svalbard reindeer thrive as they shift diet towards ‘popsicle-like’ grasses

Increased plant growth due to warmer climate appears to be prompting change in eating habits

As the Arctic warms, concern for the plight of Santa’s favourite sleigh pullers is mounting. But in one small corner of the far flung north – Svalbard – Rudolph and his friends are thriving.

Warmer temperatures are boosting plant growth and giving Svalbard reindeer more time to build up fat reserves; they also appear to be shifting their diets towards “popsicle-like” grasses that poke up through the ice and snow, data suggests.

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