Cory's and Great Shearwaters

On last nights Pelagic we saw another 17 Cory's Shearwaters e also saw 10 Great Shearwaters the first for the year, Great Shearwaters breed on Nightingale Island, Inaccessible Island, Tristan da Cunha, and Gough Island. It is one of only a few bird species to migrate from breeding grounds in the Southern Hemisphere to the Northern Hemisphere,