Black-vented shearwater Black-vented shearwater The black-vented shearwater ("Puffinus opisthomelas") is a species of seabird. The bird is 30–38 cm in size, with a 76–89 cm wingspan. Formerly considered a subspecies of the Manx shearwater, its actual relationships are unresolved. This species is pelagic, occurring in the Pacific Ocean and the Gulf of California. It comes closer to land than most other shearwaters, so it sometimes can be seen from shore. It predominantly nests on offshore islands off north and western Baja California, namely Isla de Guadalupe, Islas San Benito and Isla Natividad. It is fairly common off the United States coast of
Europa Island 100 pairs, probably of the subspecies "Puffinus lherminieri bailloni" previously considered endemic to the Mascarene Islands), dimorphic egrets and Caspian terns. The island is also home to an endemic subspecies of white-tailed tropicbird ("Phaethon lepturus europae"). There are three species of landbirds present, one of which is an endemic subspecies of the Malagasy white-eye ("Zosterops maderaspatanus voeltzkowi"). Additionally, the island is also home to its own species of hissing cockroach. Climate is affected by the Agulhas Current with water temperatures usually above 30 °C, southeast trade winds during the (austral) winter and occasional cyclones. While the island has probably been