Manx shearwater Morten Thrane Brünnich as "Procellaria puffinus" in 1764. The current scientific name "Puffinus" derives from "puffin" and its variants, such as poffin, pophyn and puffing, which referred to the cured carcass of the fat nestling of the shearwater, a former delicacy. The original usage dates from at least 1337, but from as early as 1678 the term gradually came to be used for another seabird, the Atlantic puffin. The current English name was first recorded in 1835 and refers to the former nesting of this species on the Isle of Man. The Manx shearwater is with a wingspan and weighs
Heinroth's shearwater behaviour of close relatives). There is very little information about the species and it is uncertain if it is threatened or in decline. BirdLife International (2006) Species factsheet: Puffinus heinrothi. Downloaded from http://www.birdlife.org on 26/7/2006 Heinroth's shearwater Heinroth's shearwater ("Puffinus heinrothi") is a poorly known seabird in the family Procellariidae. Probably a close relative of the little shearwater or Audubon's shearwater (with which it is sometimes considered conspecific), it is distinguished by a long and slender bill and a brown-washed underside. This species is restricted to the seas around the Bismarck Archipelago and northern Solomon Islands. The breeding sites of