Borodino great tit

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Borodino great tit
Order : Passerines (Passeriformes)
Subordination : Songbirds (passeri)
Family : Titmouse (Paridae)
Genre : Sittiparus
Type : Varied tit ( Sittiparus varius )
Subspecies : Borodino great tit
Scientific name
Sittiparus varius orii
Kuroda , 1923

The Borodino varied tit ( Sittiparus varius Orii , Syn. : Parus varius Orii , poecile varia Orii ) is an extinct subspecies of the varied tit ( Sittiparus varius ), which was native to East Asia. The epithet orii is reminiscent of the bird collector Hyojiri Orii.


The Borodino great tit reached a size of approximately four inches. It differed from the subspecies Sittiparus varius amamii by the wide chestnut-colored band on the upper coat, the olive-green (not gray) undercoat and the orange (not white) cheek feathers. It differed from the subspecies Sittiparus varius owstonii by the generally lighter plumage, especially on the forehead, cheeks and underside. The back of the head was marked by vertical stripes. The wing length was from 71 to 79.5 mm, the tail length 57 to 56 mm, the barrel length 19 to 20 mm and the beak length 14.5 to 15 mm.

Occurrence and way of life

Their distribution area was limited to the two islands Kita-daitō and Minami-daitō in the Daitō Islands (formerly Borodino Islands). The Borodino great tit was a bush inhabitant who ate both animal and vegetable foods.

die out

In 1922, Hyojiri Orii collected the type specimens described by Nagamichi Kuroda in 1923 , which are now in the Yamashina Institute for Ornithology in Tokyo . The last confirmed sighting was in 1938. The reason for the extinction of the Borodino great tit was apparently the habitat destruction caused by phosphate mining and the construction of civil and military facilities during the 1930s.


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