Cory’s Shearwater , Calonectris diomedea , is the most common of the larger shearwater species seen on Carolina pelagics. It is characterized by a brownish appearance on the upper parts. primarily white underparts and with a long yellowish bill tipped black. It will often closely approach and follow ships. Found in the north and south Atlantic plus a portion of the eastern Indian ocean. A Mediterranean subspecies is sometimes considered a separate species,known as Cape Verde Petrel or Scopoli’s Shearwater. It is a bit smaller than the nominate species, and with care, may be picked out. It should be looked for on Carolina pelagics.
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