French: Pétrel de Cook German: Cooksturmvogel Spanish: Petrel de Cook
G. R. Gray
the Mangaoraka Stream near Kaimiro, north Taranaki, North Island, New Zealand
Tropical and subtropical Pacific Ocean, breeding around New Zealand on Great Barrier and Little Barrier Is (off North I) and on Codfish I (off Stewart I, to S of South I).
25–34 cm; 112–302 g; wingspan 76–82 cm. Small grey-and-white gadfly petrel with distinct dark M across upperwings and mostly white underwings. Feathers... read more
Not known to call at sea. Gives a rather nasal, duck-like “kek-kek-kek” or “nga-nga-nga”, sometimes... read more
Marine and highly pelagic in temperate and subtropical waters, mostly within temperature range of... read more
Food and feeding
Mostly squid (Spirulidae, Cranchiidae); also crustaceans, fish and carrion. Study on Little Barrier I in breeding season found that food... read more
Starts Oct/Nov, with return to colony in Aug, pre-laying exodus c. 4 weeks, egg-laying 23 Oct to 3 Dec (on Little Barrier I) or c. 1 month... read more
During breeding season, mainly forages in seas E of New Zealand. Migrates to E Pacific during... read more
Status and conservation
VULNERABLE. Until recently considered to be Endangered. Numbers formerly estimated at c. 50,000 pairs on Little Barrier I, with relict populations of c. 100 pairs on Codfish... read more
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