Every year there is a harvest of pre-fledged northern gannets, known as gugas, from the island of Sula Sgeir. Questions have been asked about the sustainability of the Sula Sgeir gannet population given the current level of harvesting permitted.
SNH has concluded that the current level of harvest is not likely to affect the long term sustainability of the Sula Sgeir gannet population.
To read the report in full, please see here: http://www.snh.gov.uk/publications-data-and-research/publications/search-the-catalogue/publication-detail/?id=2429 [link no longer available]