Family Petrels, Shearwaters (Procellariidae)

Near Threatened

Mottled Petrel (Pterodroma inexpectata)


French: Pétrel maculé German: Regensturmvogel Spanish: Petrel moteado

Procellaria inexpectata

J. R. Forster

, 1844,

Antarctic Ocean


Older name “Procellaria melanopus” probably refers to this species, but best considered inapplicable as a nomen oblitum#R. Monotypic.


Pacific Ocean, breeding in New Zealand on SW South I, Solander I, islands around Stewart I, and Snares Is.

Descriptive notes

32–36 cm; 247–441 g; wingspan 74–92 cm. A rather short-billed and short-tailed grey petrel with dark M pattern on upperparts, bold underwing pattern,... read more


Main call, far-carrying, hysterical-sounding “ti-ti-ti...”, has 8–15 syllables and is given either... read more


Marine and highly pelagic, rarely approaching land except at colonies. Breeds on islets and stacks... read more

Food and feeding

Mostly squid and fish; also some crustaceans. Analysis of 69 stomachs reported dietary composition (by weight) as 20% cephalopods, 42% fish... read more


Starts Oct, with pre-laying exodus suspected to last 9–16+ days and egg-laying usually commencing around end of first week of Dec,... read more


Transequatorial migrant. During breeding season, common S to pack ice zone near Antarctica;... read more

Status and conservation

Not globally threatened. Currently considered as Near Threatened. Total population was formerly estimated at 10,000–50,000 breeding pairs, but more recently at 1,500,... read more

Recommended citation

Carboneras, C., Jutglar, F. & Kirwan, G.M. (2020). Mottled Petrel (Pterodroma inexpectata). 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 9 April 2020).