The black storm-petrel is a dark seabird with a long, forked tail. It flies buoyantly low over the water and picks food from the surface.
It is all black, with a relatively long, forked tail. It flies low over the waves with slow, deep wingbeats.
It hovers or flutters low over the sea and takes food from the surface. Its diet includes crustaceans and small fish, but is poorly known; small squid are also a possibility mentioned in the account.
An extinction-risk assessment has not been added yet.