Salvin's Prion is a seabird that breeds in large colonies on southern Indian Ocean islands. It is blue-grey above and white below.
Its back and wings are blue-grey to blackish, and its underparts are white. A dark band forms an M across the back.
At breeding sites it nests in burrows under tussock. At sea it mainly eats small pelagic crustaceans, along with small fish and squid.
An extinction-risk assessment has not been added yet.