The Chatham tomtit (''Petroica macrocephala chathamensis'') is a subspecies of

tomtit The tomtit (''Petroica macrocephala'') is a small passerine bird in the family Petroicidae, the Australasian robins. It is endemic to the islands of New Zealand, ranging across the main islands as well as several of the outlying islands. In M ...

found on some of the smaller

islands An island or isle is a piece of subcontinental land completely surrounded by water. Very small islands such as emergent land features on atolls can be called islets, skerries, cays or keys. An island in a river or a lake island may be cal ...

New Zealand New Zealand ( mi, Aotearoa ) is an island country in the southwestern Pacific Ocean. It consists of two main landmasses—the North Island () and the South Island ()—and over 700 List of islands of New Zealand, smaller islands. It is the ...

. It is most similar in

plumage Plumage ( "feather") is a layer of feathers that covers a bird and the pattern, colour, and arrangement of those feathers. The pattern and colours of plumage differ between species and subspecies and may vary with age classes. Within species, ...

to the South Island tomtit, the nominate subspecies. The New Zealand government is implementing a plan to help this species and other bird species recover. The

holotype A holotype is a single physical example (or illustration) of an organism, known to have been used when the species (or lower-ranked taxon) was formally described. It is either the single such physical example (or illustration) or one of seve ...

is in the collection of the

Museum of New Zealand Te Papa Tongarewa The Museum of New Zealand Te Papa Tongarewa is New Zealand's national museum and is located in Wellington. ''Te Papa Tongarewa'' translates literally to "container of treasures" or in full "container of treasured things and people that spring fr ...

Distribution

The Chatham tomtit has been extinct on

Chatham Island Chatham Island ( ) (Moriori: ''Rēkohu'', 'Misty Sun'; mi, Wharekauri) is by far the largest island of the Chatham Islands group, in the south Pacific Ocean off the eastern coast of New Zealand's South Island. It is said to be "halfway bet ...

since the 1970s. This subspecies now has a population of about 1,000 birds and is currently restricted to the

rat Rats are various medium-sized, long-tailed rodents. Species of rats are found throughout the order Rodentia, but stereotypical rats are found in the genus ''Rattus''. Other rat genera include '' Neotoma'' ( pack rats), '' Bandicota'' (bandico ...

-free islands of

Rangatira In Māori culture, () are tribal chiefs, the hereditary Māori leaders of a hapū. Ideally, rangatira were people of great practical wisdom who held authority () on behalf of the tribe and maintained boundaries between a tribe's land and tha ...

, Mangere and

Pitt Pitt most commonly refers to: *The University of Pittsburgh, commonly known as Pitt, a university located in Pittsburgh, Pennsylvania, United States **Pitt Panthers, the athletic teams of the University of Pittsburgh * Pitt (surname), a surname o ...

.chathams.co.nz

References

External links

{{Taxonbar, from=Q5087697 Petroica Birds of the Chatham Islands Birds described in 2008