Tuatara: Volume 21, Issues 1 and 2 (New Zealand Albatrosses and Petrels: an Identification Guide)
45. Narrow (or Thin) -Billed Prion — (Pachyptila belcheri) — Not figured
45. Narrow (or Thin) -Billed Prion
(Pachyptila belcheri)
Not figured
Field Characters: Very similar to Antarctic Prion (43) but has paler blue-grey upperparts, whiter lores and broader, more conspicuous eyebrow stripe. Bill small and slender. The palest of all the prions. The distinctive white facial pattern is clearly discernible at close range.
Flight very impetuous and erratic.
Summer breeder at Kerguelen, East Island (Crozets) and the Falkland Islands. Winter visitor to New Zealand waters.