Great shearwater (Ardenna gravis), in flight over a calm sea along the eastern coast of Greenland, Polar Regions

Adult yellow-nosed albatross (Thalassarche chlororhynchos) on the wing near a Great Shearwater in the oceanic waters surrounding the Tristan da Cunha Island Group in the South Atlantic Ocean.

Adult Great Shearwater (Puffinus gravis) on the wing in the Tristan da Cunha Island Group, Soauth Atlantic Ocean.

Adult Great Shearwater (Puffinus gravis) on the wing in the Tristan da Cunha Island Group, Soauth Atlantic Ocean.