Brought to Eat Garden Snails, Hedgehogs Became a Whole Island's Worst Nightmare
Sometimes, a small act of goodwill can spiral into a massive problem years down the line. This is exactly the situation residents of the Uist Islands in the Outer Hebrides region of Scotland find themselves in. A handful of hedgehogs, introduced over half a century ago to curb the garden snail and slug population, have now become the islands' most significant environmental issue.
Here are the details...
The appetite of hedgehogs didn't stop at snails; they started to prey on the eggs and chicks of ground-nesting birds at the beginning of the 2000s.
According to a study conducted by NatureScot, Scotland's nature agency, between 2012 and 2014, 55% of the nests observed in South Uist, where hedgehog density is high, failed. As a result, the numbers of bird species such as Dunlin, Ringed Plover, Redshank, Snipe, Red-necked Phalarope, Lapwing, and Little Tern have significantly declined.
Initially, the extermination of hedgehogs was considered as a solution, but this plan was completely shelved due to public backlash.
Instead, the idea of capturing hedgehogs alive and transporting them to the mainland was adopted; since 2001, 2441 hedgehogs have been removed from the islands in this manner. The Saving Uist Nature project, jointly run by the Scottish branch of the England-based Royal Society for the Protection of Birds (RSPB), Scotland's nature agency NatureScot, and the Scottish Animal Protection Association, received a grant of £97,840 (approximately 6.4 million TL) from the Scottish Government's Nature Restoration Fund. Iain Macleod, the West Scotland Operations Manager of NatureScot, stated that there is evidence of the damage caused by hedgehogs to native birds and other wildlife.
The project team is heralding this transportation system as a pioneering initiative for the conservation of the species.
Kenna Chisholm, the Regional Director for North Highland and the Hebrides of RSPB Scotland, emphasized the necessity to address this peculiar situation where a species, protected on its own mainland in England, has ironically become an invader in Uist. She stated that they are striving to achieve the best outcome for both the hedgehogs to be relocated and the existing hedgehog population on the mainland. The method of releasing the hedgehogs back to the mainland is also meticulously planned by a team of experts with the aim of providing the relocated animals with the highest chance of survival, without causing harm to the native hedgehog population.
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