A mass extermination using up to six helicopters to drop about 550 tonnes of rodent poison is set to take place
Sooty albatrosses on Marion Island are under threat from a rampant mouse population which is feeding on live birds. are estimated to be on Marion Island and they are eating their way through not only the isle’s invertebrates but also the seabirds – both chicks in their nests and adults.near Antarctica, as stowaway house mice on seal hunter ships in the early 1800s becoming the island’s first mammal predators.
Now on Marion Island he said “their breeding season has been extended, and this has resulted in a massive increase in the densities of mice.” The Mouse-Free Marion project – the largest eradication of its kind if it succeeds – may seem drastic but is considered critical for the ecology of the uninhabited South African territory and the wider Southern Ocean.
Dr Wolfaardt said the birds have not developed a defense mechanisms to protect themselves against these unfamiliar predators and so often sit there while mice nibble away at them, sometimes with multiple mice swarming over one bird. “This really is an ecological restoration project,” Dr Wolfaardt said. “It’s one of those rare conservation opportunities where you solve once and for all a conservation threat.”
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