Daito Varied Tit
Encyclopedia
The Daito Varied Tit is an extinct subspecies
Subspecies
Subspecies in biological classification, is either a taxonomic rank subordinate to species, ora taxonomic unit in that rank . A subspecies cannot be recognized in isolation: a species will either be recognized as having no subspecies at all or two or more, never just one...

 of the Varied Tit
Varied Tit
The Varied Tit is a perching bird from the tit family, Paridae. It occurs in eastern Asia in Japan, Korea, Taiwan, and locally in northeastern China and extreme southeastern Russia .- Description :It is 12–14 cm long and weighs 16–18 g. The wing length is 6.0–7.8 cm. In the nominate race P. v...

. It was formerly found on Kita Daitō-jima
Kita Daito
, also spelled as Kita Daitō or Kita-Daitō, is one of the Daitō Islands in Japan. It is the home of Kitadaitō village.Kitadaitō is 400 km from the nearest major inhabited land mass. Food is delivered once a week by boat. Fishing is a key source of food and recreation for the inhabitants.The...

 and Minami Daitō-jima in the Daitō group
Daito Islands
Daitō Islands are three islands that lie about east of Okinawa. From north to south, the islands are:* Data from 2004 Nov 20, 08:55 version of Japanese Wikipedia...

 east of the Okinawa Islands
Okinawa Islands
Okinawa Islands are a group of islands that belongs to Okinawa Prefecture. Okinawa Prefecture makes up a portion of the Ryukyu Islands. The prefectural capital Naha, as well as most of the population, exists on the largest island, Okinawa Island...

, but became extinct around 1940. It seems that the last specimens collected were Kuroda's types
Biological type
In biology, a type is one particular specimen of an organism to which the scientific name of that organism is formally attached...

 taken in 1922, and that the last confirmed sighting was in 1938. Searches in the 1980s and subsequently failed to find any. The subspecies became extinct following the habitat destruction brought about by settlement and construction activity in the 1930s.

It differed from the typical P. v. varius in having a broad chestnut-coloured band on the upper mantle, olive-green (not dark grey) lower mantle, and orangey (not white) sides to the head (Harrap & Quinn 1996, del Hoyo et al. 2007).

Like many bird taxa from the Okinawa region, the scientific name is named after the veteran specimen collector Hyojiri Orii.

See Varied Tit
Varied Tit
The Varied Tit is a perching bird from the tit family, Paridae. It occurs in eastern Asia in Japan, Korea, Taiwan, and locally in northeastern China and extreme southeastern Russia .- Description :It is 12–14 cm long and weighs 16–18 g. The wing length is 6.0–7.8 cm. In the nominate race P. v...

as for why present data suggests placement in Poecile instead of Sittiparus.
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