By Stuart Murray, Sarah Wanless and Mike Harris Abstract An aerial survey of the Northern Gannet Morus bassanus colony on the Bass Rock in 2014 found 75,259 Apparently Occupied Sites, a 24% increase since 2009. The Bass Rock has now overtaken St Kilda and Bonaventure Island to become the world's largest Northern Gannet colony. However, recent planning consent for four large offshore windfarms co...

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