Bonin thrush
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The Bonin thrush (''Zoothera terrestris''), also known as Kittlitz's thrush or the Bonin Islands thrush, is an extinct species of Asian thrush. It is sometimes separated as the only species of the genus ''Cichlopasser''. The only place where this bird was found was
Chichi-jima , native_name_link = , image_caption = Map of Chichijima, Anijima and Otoutojima , image_size = , pushpin_map = Japan complete , pushpin_label = Chichijima , pushpin_label_position = , pushpin_map_alt = , ...
in the
Ogasawara Islands The Bonin Islands, also known as the , are an archipelago of over 30 subtropical and tropical islands, some directly south of Tokyo, Japan and northwest of Guam. The name "Bonin Islands" comes from the Japanese word ''bunin'' (an archaic readi ...
; it might conceivably have inhabited Anijima and Otōtojima, but this has not been borne out by observations or specimens. The species was only once observed by a naturalist, its discoverer
Heinrich von Kittlitz Friedrich Heinrich, Freiherr von Kittlitz (16 February 1799 – 10 April 1874) was a Prussian artist, naval officer, explorer and naturalist. He was a descendant of a family of old Prussian nobility ("Freiherr" meaning "independent lord" - ranking w ...
. He encountered the thrush in the coastal woods where it usually kept to the ground; it may have been ground-nesting. The only specimens ever taken are in the Naturalis in
Leiden Leiden (; in English and archaic Dutch also Leyden) is a city and municipality in the province of South Holland, Netherlands. The municipality of Leiden has a population of 119,713, but the city forms one densely connected agglomeration wi ...
(1), the
Naturhistorisches Museum The Natural History Museum Vienna (german: Naturhistorisches Museum Wien) is a large natural history museum located in Vienna, Austria. It is one of the most important natural history museums worldwide. The NHM Vienna is one of the largest museum ...
in
Vienna en, Viennese , iso_code = AT-9 , registration_plate = W , postal_code_type = Postal code , postal_code = , timezone = CET , utc_offset = +1 , timezone_DST ...
(1), the Senckenbergmuseum in
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(1) and in the Zoological Museum,
St. Petersburg Saint Petersburg ( rus, links=no, Санкт-Петербург, a=Ru-Sankt Peterburg Leningrad Petrograd Piter.ogg, r=Sankt-Peterburg, p=ˈsankt pʲɪtʲɪrˈburk), formerly known as Petrograd (1914–1924) and later Leningrad (1924–1991), i ...
(2).


Extinction

The Bonin thrush is not among the birds observed or collected by the Beechey Pacific expedition which called at Chichi-jima in 1827. It was only found the following year, when Kittlitz took the five specimens; he considered them common enough around the landing site. It is unknown why Beechey's expedition, which landed at the same location, did not find them. Following the suggestion of two shipwrecked sailors (who were picked up by Beechey in 1827) that the island would make a good stopover station for
whaler A whaler or whaling ship is a specialized vessel, designed or adapted for whaling: the catching or processing of whales. Terminology The term ''whaler'' is mostly historic. A handful of nations continue with industrial whaling, and one, Japa ...
s, settlement was begun in 1830. When
Perry Perry, also known as pear cider, is an alcoholic beverage made from fermented pears, traditionally the perry pear. It has been common for centuries in England, particularly in Gloucestershire, Herefordshire, and Worcestershire. It is also mad ...
's first mission to Japan called at Chichi-jima in 1853, they did not find the bird again, just as naturalist
William Stimpson William Stimpson (February 14, 1832 – May 26, 1872) was a noted American scientist. He was interested particularly in marine biology. Stimpson became an important early contributor to the work of the Smithsonian Institution and later, dire ...
of the Rodgers- Ringgold
North Pacific Exploring and Surveying Expedition The North Pacific Exploring and Surveying Expedition, also known as the Rodgers-Ringgold Expedition was a United States scientific and exploring project from 1853 to 1856. Commander Cadwalader Ringgold (1802–1867) led the expedition until ...
in the following year. Instead, they encountered rats and feral goats, sheep, dogs and cats (feral pigs were already found by Kittlitz and may have been left by Beechey to provision possible future castaways). Just like the Bonin grosbeak, the Bonin thrush probably succumbed soon after 1830 to predation by the introduced mammals and habitat destruction.


References


External links

* Kittlitz, Heinrich von (1830): escription of ''Zoothera terrestris'' ''Mem. presentes a l'Acad. Imp. des Sci. de St. Petersbourg par divers savants, etc.'' 1(3): 244, plate 17.
3D view
of specimen RMNH 89298 at Naturalis, Leiden (requires QuickTime browser plugin). {{Taxonbar, from=Q834483 Bonin thrush Endemic birds of Japan Extinct birds of Oceania Natural history of the Bonin Islands Bird extinctions since 1500 Bonin thrush Taxa named by Heinrich von Kittlitz