Band-rumped Storm-petrel, Swinhoe's Storm-petrel Pincoya Storm-petrel and 'melanoleuca' Black-bellied Storm-petrel. Original artwork from birds of Greater Southern Africa

Band-rumped Storm-petrel, Swinhoe’s Storm-petrel Pincoya Storm-petrel and ‘melanoleuca’ Black-bellied Storm-petrel. Original artwork from birds of Greater Southern Africa