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Magenta Petrel

A species of Gadfly Petrels
Scientific name : Pterodroma magentae Genus : Gadfly Petrels

Magenta Petrel, A species of Gadfly Petrels
Botanical name: Pterodroma magentae
Genus: Gadfly Petrels

Description

This medium-sized petrel has a brownish-grey head, neck, and upper breast, with white underparts. The undersides of the wings are brown. It has a black bill and pink legs. Adults weigh 400–580 g. The bird nests in 1–3 m long burrows under dense forest. They form long-term monogamous pair bonds, raising one egg at a time, and both partners incubate the egg and feed the chick. The breeding season is between September and May, during which time the birds forage over the open ocean.
Size
42 cm
Feeding Habits
Magenta Petrel predominantly feeds on squid species such as Brachioteuthis sp., Gonatus antarcticus, and Teuthowenia pellucida, with occasional fish like Sio nordenskjoldii and possibly crustaceans. It exhibits solitary foraging behavior at sea.
Habitat
The magenta Petrel is primarily marine and believed to be pelagic, commonly foraging in regions near the Subtropical Convergence. Its breeding habitat is characterized by dense bush forests dominated by Dracophyllum arboreum and interspersed with bracken fern, Pteridium esculentum, typically located on elevated ground or sloping terrain, a few kilometers inland from the sea.
Dite type
Piscivorous

General Info

Species Status

Formerly widespread on Chatham Island, the tāiko is now confined to the forested Tuku Valley on the south-west of the island. The species is one of the rarest birds in the world, and it is often referred to as the world's rarest seabird. The species is classified as critically endangered due to an assumed population decline in excess of 80% in the last 60 years and the fact that it is restricted to one small location. In the 2005 breeding season, the 13 known breeding pairs successfully fledged 11 chicks. The current population is estimated at between 80 and 100 mature individuals. The main threats to the species are introduced mammalian predators, principally cats and rats, other threats are present from feral pigs collapsing burrows. The land on which tāiko were first rediscovered was privately owned by Manuel and Evelyn Tuanui, who in 1983 donated 1283 hectares of land to the government to protect the species, becoming the Tuku Nature Reserve. In a 2004 report, about 80 percent of tāiko breeding burrows were in this reserve. The Tuanui family were also founding members of the Chatham Island Taiko Trust, an organisation formed to promote taiko conservation work. A conservation strategy is in place on the island to translocate chicks to an area where the main threats have been removed called the Sweetwater Secure Breeding Site. Studies in other petrel species such as the Manx shearwater, wandering albatross, and Cory's shearwater, have shown that birds return to the site in which they fledged. In 2007, eight chicks were successfully translocated and fledged from the breeding site. There has also been a predator proof fence built around a small area of land since 2006, 60 tāiko have been relocated to this area.
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