Dusky thrush

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Dusky thrush
Turdus eunomus -Japan-8.jpg
In Japan
Scientific classification edit
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Passeriformes
Family: Turdidae
Genus: Turdus
T. eunomus
Binomial name
Turdus eunomus
Temminck, 1820

The dusky thrush (Turdus eunomus) is a member of the thrush family which breeds eastwards from central Siberia. 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".[2]

This species breeds in open woodland areas, but unlike Naumann's thrush, the dusky thrush is more tolerant of mountainous and tundra-edge habitats. This species is strongly migratory, wintering south to southeast Asia, principally in China and neighbouring countries. It is a rare vagrant to western Europe.[3] In December 2016 a sighting of one in the Derbyshire in the United Kingdom brought hundreds of birdwatchers to see it.[4][5][6]

It nests in trees, laying 3-5 eggs in an untidy but neatly lined nest. Migrating birds and wintering birds often form small flocks. It is omnivorous, eating a wide range of insects, especially mosquitoes, earthworms and berries.

This is a medium-sized but stocky thrush, reminiscent in structure of a small fieldfare. The underwing is reddish brown, and there is a pale supercilium.

Dusky thrush has a dark brown back and rump; the face, breast, and flank spots rump are black and the belly and undertail are white. Naumann's thrush in comparison has a paler brown back and head; the face, breast, flank spots and rump are reddish, and the belly and undertail are white.

The female is fairly similar to the male, but immatures have a weaker patterning.

The male dusky thrush has a simple fluted or whistling song, similar to the redwing. There are suggestions that the songs of dusky and Naumann's thrush differ.


  1. ^ BirdLife International (2004). "Turdus naumanni". IUCN Red List of Threatened Species. Version 2006. International Union for Conservation of Nature. Retrieved 12 May 2006.
  2. ^ Jobling, James A (2010). The Helm Dictionary of Scientific Bird Names. London: Christopher Helm. pp. 152, 393. ISBN 978-1-4081-2501-4.
  3. ^ Turdus eunomus (Dusky Thrush) Retrieved February 19, 2017
  4. ^ Amateur's ultra-rare sighting of Siberian dusky thrush brings hundreds of birdwatchers to Derbyshire village December 6, 2016 The Telegraph Retrieved February 19, 2017
  5. ^ Birdwatchers in Beeley to see 'very rare' dusky thrush December 6, 2017 BBC Retrieved February 19, 2017
  6. ^ Dusky thrush in Beeley, Derbyshire - everything you need to know December 7, 2017[permanent dead link] Derby Telegraph Retrieved February 19, 2017

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