The Kowhai Valley and Shearwater Stream Important Bird Area comprises a disjunct site in the Seaward Kaikōura Range in the north-east of New Zealand's South Island, some 15 km (9.3 mi) inland from the coastal town of Kaikōura. The site, at an altitude of 1,200–1,800 m (3,900–5,900 ft) above sea level, has been identified as an Important Bird Area by BirdLife International because it contains the entire breeding population of Hutton's shearwaters; about 100,000 pairs in two colonies.[1]
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The bird species' larger Kowhai Valley colony, in the headwaters of the Kowhai River in the Uerau Nature Reserve, was only discovered in 1964, over 50 years after the species was first described by Gregory Mathews in 1912.[2] The smaller, Shearwater Stream colony is on private land at the head of the Puhi Puhi Valley.[3]
References
edit- ^ "Important Bird Areas factsheet: Kowhai Valley, Shearwater Stream". BirdLife International. 2012. Archived from the original on 10 July 2007. Retrieved 29 March 2014.
- ^ Sommer, Erica; Bell, Mike; Bradfield, Phil; Dunlop, Keith; Gaze, Peter; Harrow, Geoff; McGahan, Paul; Morrisey, Mike; Walford, Dave; Cuthbert, Richard (2009). "Population trends, breeding success and predation rates of Hutton's shearwater (Puffinus huttoni): a 20 year assessment" (PDF). Notornis. 56: 144–153.
- ^ "Facts about Hutton's shearwater/tītī". Department of Conservation, New Zealand. Retrieved 18 February 2012.
42°16′S 173°36′E / 42.267°S 173.600°E
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