Mice threaten near-pristine island Featured Hot

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Wandering Albatross

Getting rid of a conservation problem, once and for ever, is something of a rarity. But eradicating invasive species from islands is one example. BirdLife South Africa is leading an initiative that could result in invasive mice being eradicated from Marion Island that is the jewel in the crown of South Africa’s islands.

Marion Island is massive, beautiful, and a sanctuary for seabirds, seals, killer whales and more. Cats were eradicated from Marion Island in the early 1990s, leaving mice as the only introduced mammal. Work done at Gough Island demonstrated that predation by mice can cause extinctions, and their impacts at Marion Island are increasing.

Marion Island

BirdLife South Africa is leading a collaborative effort to review the feasibility of eradicating mice from Marion Island. The good news is that the techniques to do this conservation work exist are proven effective. Marion Island remains the largest island ever cleared of cats. Australia’s Macquarie Island is now clear of rabbits, rats and mice, the largest island to have a 3-species complex eradicated simultaneously, and one of very few where rats and mice have been tackled successfully. South Georgia is currently being cleared of rats and mice – which will make it the biggest island on earth ever cleared of these invasive rodents. Serious consideration is also being given to eradicate mice at Gough Island, the celebrity island for mouse impacts on seabirds. So initiating work to consider options at Marion Island isn’t really pushing the envelope in any meaningful, technical sense. But it is a massive island, and will require very significant resources if an eradication programme is to be tackled. And therefore we really need to get every aspect looked at, studied in depth and squared away comprehensively.

Wandering Albatros chick

That’s the good news. The bad news is that these are fiendishly expensive, risky operations that require extensive studies, exquisite planning and a lot of time. And time is, as everyone knows, money. The first step is to have an expert, and in this instance it is Dr John Parkes from New Zealand, inspect the island and point out where there are significant risks to other species, logistical constraints and areas requiring more research. BirdLife South Africa is trying to raise R200 000 to cover the expenses of getting John to Marion Island, so that he can undertake a feasibility study and risk assessment.

Wandering Albatros feeding chick

For further information, please contact: Ross Wanless, +27 (0)21 419 7347 or email: This email address is being protected from spambots. You need JavaScript enabled to view it.

To donate in support of this appeal, please go to www.birdlife.org.za/support-us/donate

Wandering Albatros

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Peter Chadwick
Author: Peter ChadwickWebsite: http://www.peterchadwick.co.zaEmail: This email address is being protected from spambots. You need JavaScript enabled to view it.
About
As a dedicated conservationist, Peter Chadwick has 30 years strategic and operational conservation experience in terrestrial and marine protected area management. He has worked within all of the major biomes in southern Africa as well as having provided expert conservation advice at a global level. His conservation and wildlife photography is a natural extension to his conservation work where he has numerous opportunities to capture photographs that showcase the beauty and complexity of the outdoors. Peter’s photography is internationally recognized, with this work appearing globally in a wide range of print and electronic media.