A small seabird with long wings and a deeply notched tail. It picks food from the ocean surface and nests in burrows on offshore islands.
It is dark brown, with long wings, a deeply notched tail, and a pale diagonal bar across the upperwing.
It nests in burrows on offshore islands. At sea it pecks prey from the surface while hovering, and it approaches or leaves its burrow mainly at night.
An extinction-risk assessment has not been added yet.