Endangered New Zealand bird caught fighting ‘at risk’ reptile in rare footage

A video shows the large flightless takahē bird in hot pursuit of the tuatara – but the tables soon turn

Two of New Zealand’s most rare and beloved animals – a large flightless takahē bird and an ancient tuatara reptile – have been captured chasing and nipping at one another during a bush-floor melee.

Nick Fisentzidis, a department of conservation ranger on the pest-free Tiritiri Matangi Island near Auckland, saw the takahē attack the tuatara and quickly grabbed his phone to capture the rare footage.

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‘A horror movie’: sharks and octopuses among 200 species killed by toxic algae off South Australia

Karenia mikimotoi algae can suffocate fish, cause haemorrhaging and act as a neurotoxin, one expert says

More than 200 marine species, including deepwater sharks, leafy sea dragons and octopuses, have been killed by a toxic algal bloom that has been affecting South Australia’s coastline since March.

Nearly half (47%) of the dead species were ray-finned fish and a quarter (26%) were sharks and rays, according to OzFish analysis of 1,400 citizen scientist reports.

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Koalas face death, attacks and starvation as blue gums chopped down in Victoria

The state government is aware of koala welfare problems but says it has ‘no cost-effective’ solutions

Thousands of koalas are being displaced each year as blue gum plantations are cut down in Victoria, worsening overcrowding in nearby forests and exacerbating the risk of injury and death during bushfires.

An estimated 42,500 koalas live in blue gum plantations in south-west Victoria, data shows. Between 8,000 and 10,000 hectares of plantation are harvested each year, making thousands of koalas homeless.

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NSW forestry agency should be shut down for repeatedly breaking law, critics argue

Forestry Corporation says suggestion that it can be compared to a criminal bikie gang is ‘ridiculous’

A former magistrate and one of Australia’s most experienced scientists have launched an extraordinary attack on the New South Wales government’s logging agency, describing it as effectively a “criminal organisation” that should be shut down after a string of court convictions.

Prof David Heilpern, a NSW magistrate between 1998 and 2020 and now the dean of law at Southern Cross University, said the state’s Forestry Corporation should be “disbanded” as it was was no longer fit for purpose.

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Aphids plaguing UK gardens in warm spring weather, says RHS

Sap-sucking insects top list of queries to gardening charity after causing significant harm to plants

Aphids are plaguing gardeners this spring due to the warm weather, with higher numbers of the rose-killing bugs expected to thrive in the UK as a result of climate breakdown.

The sap-sucking insects have topped the ranking of gardener queries to the Royal Horticultural Society, with many of its 600,000 members having complained of dozens of aphids on their acers, roses and honeysuckle plants.

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Helmeted honeyeaters return to Cardinia in Victoria for first time since 1983’s Ash Wednesday bushfires

Healesville sanctuary releases 21 critically endangered birds in hopes a new wild population will thrive

For the first time in 42 years, critically endangered helmeted honeyeaters have returned to Cardinia in south-east Victoria, where they were found until the Ash Wednesday bushfires in 1983.

Helmeted honeyeaters are charismatic, energetic and curious, according to Dr Kim Miller, the manager of threatened species at Healesville sanctuary.

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‘Astonishing journeys’: online tool tracking migratory animals highlights challenge of protecting them

The University of Queensland system is intended to give policymakers idea of how species traverse the oceans and what it will take to save them

Off the east coast of Florida, female loggerhead turtles swim more than 1,000km north, hugging the edge of the continental shelf to get to feeding grounds.

Humpback whales move through Moreton Bay off the Brisbane coast in Australia, on their way to feed around the Balleny Islands more than 4,000km away off the Antarctic coastline, where wandering albatross circle above, travelling 1,000km a day.

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Elk could return to UK after 3,000 years in rewilding project

First stage of initiative will introduce ‘keystone’ species to beaver enclosures in Derbyshire and Nottinghamshire

Elk could return to the UK after 3,000 years under plans by the Wildlife Trusts to reintroduce the “keystone” species into Britain’s landscapes.

The Derbyshire Wildlife Trust wants to introduce elk into two existing beaver enclosures in Derbyshire and Nottinghamshire, with the hope of demonstrating that the large semiaquatic deer should be released to roam free in the wild.

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After braving the wilderness for 500 days, Valerie is heavier than ever. Has someone been feeding the mini dachshund?

Kangaroo Island mayor also notes a silky coat on the dog, while Kangala Wildlife Rescue says ‘possums or cats out there were grooming her’

As Valerie is reunited with her owners, mystery remains over how the miniature dachshund braved more than 500 days in Kangaroo Island’s rugged wilderness only to emerge healthy, happy – and larger than before.

Valerie captured the world’s attention when she was spotted 529 days after going missing on the South Australian island, with people worldwide avidly following the story of her capture.

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Hundreds of little corellas killed in suspected poisoning attack in regional Victorian city

Horsham local Glenn Coffey says he witnessed large numbers of sick birds falling out of trees and drowning in Wimmera river

Victoria’s conservation regulator has launched an investigation into the suspected fatal poisoning of 300 little corellas in Horsham, in the state’s north-west.

The incident, which began on Tuesday last week, has killed hundreds of protected birds in a popular park near the Wimmera river, just south of the city centre.

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UK sand eel fishing ban remains in place despite EU legal challenge

Creatures make up the bulk of seabirds’ diet but are fished for commercial pig food

A ban on fishing for sand eels in UK waters will remain in place despite a legal challenge from the EU.

The small, silvery eels make up the bulk of the diet of seabirds, but they are fished for commercial pig food. A lack of sand eels means seabirds such as puffins can starve to death.

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Norfolk bird surveyors find Britain’s oldest known oystercatchers

Birds in their 40s wintering on mudflats of the Wash received leg rings in early 1980s

If your ears are assaulted by the shrill piping calls of an excitable bird on the east coast of England, fear not: it’s probably an oystercatcher experiencing a midlife crisis.

Two of the handsome black and white birds with bright red-orange bills have been found to be the oldest known oystercatchers ever recorded in Britain, clocking up at least 41 and 43 years on the mudflats of the Wash.

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Giant prehistoric kangaroos preferred to ‘chill at home’ and didn’t like to go out much, scientists say

Fossil teeth show species of protemnodon that roamed Australia between 5m and 40,000 years ago lived and died near Queensland caves

Despite their immense size, species of prehistoric giant kangaroos from a site in Queensland were probably homebodies with a surprisingly small range compared to other kangaroos, according to new Australian research.

Protemnodon, which roamed the Australian continent between 5m and 40,000 years ago and is now extinct, was significantly larger than its modern relatives. Some species weighed up to 170kg, making them more than twice as heavy as the largest red kangaroo.

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More than 80% of the world’s reefs hit by bleaching after worst global event on record

An ashen pallor and an eerie stillness all that remains where there should fluttering fish and vibrant colours in the reefscape, one conservationist says

The world’s coral reefs have been pushed into “uncharted territory” by the worst global bleaching event on record that has now hit more than 80% of the planet’s reefs, scientists have warned.

Reefs in at least 82 countries and territories have been exposed to enough heat to turn corals white since the global event started in January 2023, the latest data from the US government’s Coral Reef Watch shows.

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How a Sydney scientist became enamoured with the ‘Ferraris of the crustacean world’ – and discovered a new shrimp species

Prof Shane Ahyong discovered ‘brutish’ mantis shrimp so unusual it needed its own new genus

When Prof Shane Ahyong was seven, his mum came home with a bag of prawns from the fish shop – but one of those things was not like the others.

“It just looked different,” said Ahyong.

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Endangered greater gliders recorded in proposed great koala national park in NSW as logging continues

Conservation groups call for immediate action to protect wildlife as two-year wait for Labor’s promised creation of park continues

Government surveys have found tens of thousands of endangered greater gliders could be living within the proposed area for a great koala national park in New South Wales, prompting new calls for the area to be quickly protected from logging.

Data from aerial drone and ground-based surveys at 169 sites within the proposed park were used to model the likely presence of Australia’s largest gliding possum across the entire 176,000 hectares the NSW government is considering for protection.

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‘Unprecedented’ sightings of Asian hornets raise fears for UK bees

Early reports have led experts to believe there could be a surge in the deadly invader, threatening native species

They have bright yellow legs, are about 25mm (almost 1in) long, and a single colony, if left unchecked, can “butcher” 90,000 pollinating insects in just one season.

Since the first UK sighting in 2016 of Vespa velutina – the Asian or yellow-legged hornet – beekeepers and scientists have waged a vigorous campaign to minimise the damage this invasive species can do to Britain’s biodiversity and bee colonies.

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Revealed: nearly 2m hectares of koala habitat bulldozed since 2011 – despite political promises to protect species

Guardian Australia is highlighting the plight of our endangered native species during an election campaign that is ignoring broken environment laws and rapidly declining ecosystems

Nearly 2m hectares of forests suitable for endangered koalas have been destroyed since the iconic species was declared a threatened species in 2011, according to analysis for Guardian Australia.

The scale of habitat destruction in Queensland and New South Wales – states in which the koala is formally recognised as being at risk of extinction – has continued despite political promises it would be protected.

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‘People love being here’: London development shows harmony between nature and housing

Five thousand new homes alongside a paradise for newts appears to fly in face of government’s ‘false wedge’

Arriving at the Kidbrooke Village housing development in Greenwich on a morning in early spring, the first thing you notice is the sound of birdsong and the scent of blossom. Geese are gently honking in the distance.

This was once the Ferrier estate, a postwar housing estate that was demolished in 2009 to regenerate the area.

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‘Every year matters’: Queensland’s critically endangered ‘bum-breathing’ turtle battles the odds

Guardian Australia is highlighting the plight of our endangered native species during an election campaign that is ignoring broken environment laws and rapidly declining ecosystems

A rare “bum-breathing” turtle found in a single river system in Queensland has suffered one of its worst breeding seasons on record due to flooding last December. It has prompted volunteers to question how many more “bad years” the species can survive.

A freshwater species that breathes by absorbing oxygen through gill-like structures in its tail, the Mary River turtle is endemic to south-east Queensland. Its population has fallen by more than 80% since the 1960s and its conservation status was upgraded from endangered to critically endangered last year.

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