Gray Petrel Home > Seabirds World > Petrels & Shearwaters (world) > Gray Petrel Gray Petrel Procellaria cinerea Mar 4 2019. Southern Pacific, 53S 167E. Mar 4 2019. Southern Pacific, 53S 167E. Mar 3 2019. Southern Pacific, 56S 166E. Mar 3 2019. Southern Pacific, 56S 166E.