Conservationists said Saturday that they plan to bomb a remote South African island with tonnes of pesticide-laced pellets to kill mice that are eating albatrosses and other seabirds alive.
Hordes of mice are devouring the eggs of some of the world's most important seabirds that nest on Marion Island, about 2,000 kilometres (1,240 miles) southeast of Cape Town, and have started eating live birds, leading conservationist Mark Anderson said.
This includes the iconic Wandering Albatross, with a quarter of the world's population nesting on the Indian Ocean island.
"The mice have now, for the first time last year, been found to be feeding on adult Wandering Albatrosses," Anderson told a meeting of BirdLife South Africa, the country's leading bird conservation organisation.
Gruesome images presented at the meeting showed bloodied birds, some with flesh chewed off their heads.
Of the 29 species of seabirds that breed on the island, 19 are threatened with local extinction, the Mouse-Free Marion Project said.
Mouse attacks have escalated in recent years but the birds do not know how to respond because they evolved without terrestrial predators, said Anderson, a leader of the project and CEO of BirdLife South Africa.
"Mice just climb onto them and just slowly eat them until they succumb," he told AFP. It can take days for a bird to die. "We are losing hundreds of thousands of seabirds every year through the mice."
Extreme conditions
Billed as one of the world's most important bird conservation efforts, the Mouse-Free Marion Project has raised about a quarter of the $29 million it needs to send a squad of helicopters to drop 600 tonnes of rodenticide-laced pellets onto the rugged island.
It wants to strike in 2027 in winter, when the mice are most hungry and the summer-breeding birds are largely absent.
The pilots will have to fly in extreme conditions and reach every part of the island, which is about 25 kilometres long and 17 kilometres wide.
"We have to get rid of every last mouse," Anderson said. "If there was a male and female remaining, they could breed and eventually get back to where we are now."
The mice are proliferating because warmer temperatures due to climate change means they are breeding more frequently over a longer period, Anderson said. After eating through plants and invertebrates, the mice turned to the birds.
House mice were introduced to the island in the early 1800s. Five cats were brought in around 1948 to control their numbers. But the cat numbers grew to about 2,000 and they were killing about 450,000 birds a year. An eradication project removed the last cat in 1991.
(Except for the headline, this story has not been edited by NDTV staff and is published from a syndicated feed.)
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