Grey-backed storm petrel

The grey-backed storm petrel (Garrodia nereis) is a species of seabird in the austral storm petrel family Oceanitidae. It is monotypic within the genus Garrodia. It is found in Antarctica, Argentina, Australia, Chile, Falkland Islands, French Southern Territories, New Zealand, Saint Helena, South Africa, and South Georgia and the South Sandwich Islands. Its natural habitat is open seas. It is highly attracted to bright lights, especially in conditions of low visibility.

Grey-backed storm petrel is a small bird, 21-44 g in weight with a 39-40 cm wingspan. Like others in its family it is dark grey overall with a black head and belly, but it can be distinguished from other storm-petrels in its range by its light grey rump compared to the white rump on others. The Grey-backed petrel has a pale back, black legs, a square tail and a white belly.