Family Petrels, Shearwaters (Procellariidae)


Westland Petrel (Procellaria westlandica)


French: Puffin du Westland German: Westland-Sturmvogel Spanish: Pardela de Westland

Procellaria parkinsoni westlandica


, 1946,

Barrytown, Westland, South Island, New Zealand


Has been considered conspecific with P. aequinoctialis and P. parkinsoni, but present species breeds in winter. Monotypic.


Subtropical Pacific Ocean, breeding on NW South I (New Zealand).

Descriptive notes

50–55 cm; 800–1200 g; wingspan 135–140 cm. Entirely sooty-black, often darkest on head and neck; underside of primary bases and coverts greyer but just... read more


Vocal at night at colonies and although considered to be less vocal than P. aequinoctialis... read more


Marine; during breeding occurs mostly in offshore waters; non breeding distribution largely pelagic... read more

Food and feeding

Mostly cephalopods (Histioteuthis, Teuthowenia pellucida), with some fish (Argentina) and few crustaceans.... read more


Breeds in winter, starting Mar/Apr, returning to colonies between mid Feb to late Mar, with no well-defined pre-laying exodus, egg-laying... read more


During breeding season prefers continental shelf waters around New Zealand, especially off W coast... read more

Status and conservation

ENDANGERED. Total population estimated at 2954–5137 annual breeding pairs, equivalent to 7900–13,700 mature individuals. Population numbered c. 20,000 individuals... read more

Recommended citation

Carboneras, C., Jutglar, F., Kirwan, G.M. & Sharpe, C.J. (2020). Westland Petrel (Procellaria westlandica). In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. (retrieved from on 23 February 2020).