Mike P. Harris is an internationally recognized seabird biologist and Emeritus Fellow at the Centre for Ecology & Hydrology at Edinburgh. He summers on the Isle of May, where he has studied the Atlantic Puffin and other seabirds since 1972. As vertebrate ecologist at the Centre for Ecology & Hydrology in Banchory, Sarah Wanless leads the long-term ecological research program on seabirds on the Isle of May.