Family Petrels, Shearwaters (Procellariidae)

Endangered

Westland Petrel (Procellaria westlandica)


Taxonomy

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

Procellaria parkinsoni westlandica

Falla

, 1946,

Barrytown, Westland, South Island, New Zealand

.

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

Distribution:

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

Voice

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

Habitat

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

Breeding

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

Movements

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. (2018). 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 https://www.hbw.com/node/52562 on 21 April 2018).