| Izu thrush | |
|---|---|
 | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Aves |
| Order: | Passeriformes |
| Family: | Turdidae |
| Genus: | Turdus |
| Species: | T. celaenops |
| Binomial name | |
| Turdus celaenops Stejneger, 1887 | |
The Izu thrush or Izu Islands thrush (Turdus celaenops) is a bird of the thrush family native to Japan.
Izu thrushes eat small animals, such as earthworms and insects, and fruits, like cherries or mullberries. [2]
The Izu Thrush's breeding season is March to July. During the first half of this season, the male will sing at dawn, but will, during the second half, sing throughout the day. One source described their song as 'kyurrr, chotts' and their call as 'tweet' or 'chat, chat, chat". They build their nests in trees about half a metre from the ground. They use soil to bind the materials, such as grass and moss, together. While the clutch can have as many as five or as few as two eggs, most clutches are of three to four eggs. The eggs are blue with brown spots and are roughly 3cm long. Both parents look after the chicks. [2]
Since the introduction of weasels, the fledgling rate has significantly decreased. [2]
The Izu thrush is about 23cm long. Their back and tails are black and they have a yellow eye-ring and bill, brown wings, and a rust-red chest. [3] The males have darker plumage than that of the females. [2]
The Izu thrush is an endemic bird of Japan. Most are on the Izu Islands. On Izu Ōshima, Miyakejima and Mikurajima they sing two syllables. The song of the population of Hachijojima 90 km south sounds entirely different with one syllable. On their last island of the chain Aogashima they have more syllables. Some less densely populated are on the Tokara Islands Yakushima, Kuchinoshima, Nakanoshima, Tairajima, Akusekijima and Takarajima. On Nakanoshima the song is composed of more syllables. In addition, there are wintering records from Shizuoka, Chiba, Mie and Wakayama Prefectures. [4]
The izu thrush is described as a vulnerable species by the IUCN Red List. There are between 2500 and 9999 thousand mature individuals and the population is decreasing, though it is not severely fragmented. The amount and/or quality of their habitat is decreasing. They are threatened by volcanoes, roads, railroads, wood plantations, tourism areas, and both native and invasive species and diseases. [1]
The Japanese robin is a small passerine bird in the family Muscicapidae. This species was formerly named Erithacus akahige, or Komadori. Its range extends from the south of the Kuril and Sakhalin Islands throughout Japan.
The common blackbird is a species of true thrush. It is also called the Eurasian blackbird, or simply the blackbird where this does not lead to confusion with a similar-looking local species. It breeds in Europe, Asiatic Russia, and North Africa, and has been introduced to Australia and New Zealand. It has a number of subspecies across its large range; a few of the Asian subspecies are sometimes considered to be full species. Depending on latitude, the common blackbird may be resident, partially migratory, or fully migratory.
The song thrush is a thrush that breeds across the West Palearctic. It has brown upper-parts and black-spotted cream or buff underparts and has three recognised subspecies. Its distinctive song, which has repeated musical phrases, has frequently been referred to in poetry.
The fieldfare is a member of the thrush family Turdidae. It breeds in woodland and scrub in northern Europe and across the Palearctic. It is strongly migratory, with many northern birds moving south during the winter. It is a very rare breeder in Great Britain and Ireland, but winters in large numbers in the United Kingdom, Southern Europe, North Africa and the Middle East. It is omnivorous, eating a wide range of molluscs, insects and earthworms in the summer, and berries, grain and seeds in the winter.
The redwing is a bird in the thrush family, Turdidae, native to Europe and the Palearctic, slightly smaller than the related song thrush.
The eyebrowed thrush is a member of the thrush family Turdidae. It breeds in dense coniferous forest and taiga eastwards from Siberia and Mongolia to Japan. It is strongly migratory, wintering south to China and Southeast Asia. It is a rare vagrant to western Europe.
The dusky thrush is a member of the thrush family which breeds eastwards from central Siberia to Kamchatka wintering to Japan, South China and Myanmar. It is closely related to the more southerly breeding Naumann's thrush T. naumanni; the two have often been regarded as conspecific. The scientific name comes from Latin Turdus, "thrush" and Ancient Greek eunomos, "orderly".
The blue rock thrush is a species of chat. This thrush-like Old World flycatcher was formerly placed in the family Turdidae. It breeds in southern Europe, northwest Africa, and from Central Asia to northern China and Malaysia. The blue rock thrush is the official national bird of Malta and was shown on the Lm 1 coins that were part of the country's former currency.
The cocoa thrush is a resident breeding thrush in South America, from eastern Colombia south and east to central and eastern Brazil, as well as on the Caribbean island of Trinidad and some of the Lesser Antilles.
The yellow-legged thrush is a songbird of northern and eastern South America and the Caribbean.
The clay-colored thrush is a common Middle American bird of the thrush family (Turdidae). It is the national bird of Costa Rica, where it is well known as the yigüirro. Other common names include clay-colored robin.
The Malayan whistling thrush or Malaysian whistling-thrush is a species of bird in the family Muscicapidae. It is endemic to the Malay Peninsula. Due primarily to habitat loss, its population is thought to be in decline.
The Tristan thrush, also known as the starchy, is a species of bird in the thrush family that is endemic to the British overseas territories of the isolated Tristan da Cunha archipelago in the South Atlantic Ocean.
The Comoro thrush is a species of bird in the family Turdidae. It is found in the Comoros Islands in the south western Indian Ocean.
The Japanese thrush is a species of bird in the thrush family Turdidae. The species is also known as the grey thrush or the Japanese grey thrush. The species was once split into two subspecies, with birds breeding in China being treated as the subspecies T. c. lateus,, but today differences are attributed to natural variation and the species is treated as being monotypic.
The brown-headed thrush, sometimes known as the brown thrush, is a species of bird in the family Turdidae. It breeds in Sakhalin, the Kuril Islands and Japan; it winters in south toward the Ryukyu Islands, Taiwan, Hainan and the northern Philippines. Its natural habitat is temperate forests.
The black-breasted thrush is a species of bird in the family Turdidae. It is found from north-eastern India to northern Vietnam. Although both male and female birds have the same colour on their lower parts, the upper section of males is mostly black in colour, while females are mostly grey-brown. Thus, the bird's common name refers to the colour of the male bird's breast. They tend to live in forests located at high altitude.
The orange ground thrush is a species of bird in the family Turdidae.
The Tibetan blackbird is a species of bird in the thrush family Turdidae. It is found in the Himalayas from northern Pakistan to southeastern Tibet. Originally described as a separate species by Henry Seebohm in 1881, it was then considered a subspecies of the common blackbird until 2008, when phylogenetic evidence revealed that it was only distantly related to the latter species. It is a relatively large thrush, having an overall length of 23–28 centimetres. Males are blackish-brown all over with darker plumage on the head, breast, wings and tail and dull orange-yellow bills, while females have browner underparts, faint streaking on the throat, and a dull darkish yellow bill. Both sexes may seem slightly hooded. It can be differentiated from the common blackbird by its complete lack of an eye-ring and reduced song.
Naumann's thrush is a member of the thrush family Turdidae which breeds eastwards from central Siberia to North Manchuria, Amurland and Sakhalin. It is closely related to the more northerly breeding dusky thrush T. eunomus; the two have often been regarded as conspecific.
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