Puffinus griseus. This is a southern species which, after having nested on islands in the far south during our winter, comes north and appears off the Pacific coast of the United States during the summer. It is a similar bird to the Sooty Shearwater, but is considerably darker and the under coverts are whitish. Their nesting habits are the same as those of other members of the family. Size of egg, 2.40 x 1.65. Data. - Stewart's Island, New Zealand, February 15, 1896. Single egg at the end of a long burrow.

Dark bodied Shearwater Slender billed Shearwater

Dark-bodied Shearwater. Slender-billed Shearwater.