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Dusky Thrush

From Opus

Revision as of 22:40, 13 April 2012 by Deliatodd-18346 (Talk | contribs)

Disambiguation: this page is for the split version of Dusky Thrush. Subspecies naumanni is now found in Naumann's Thrush

Photo by Akiko HidakaKanto, Japan
Photo by Akiko Hidaka
Kanto, Japan
Turdus eunomus

Contents

Identification

  • Dark brown upperside with some black spots and an obvious rufous wing panel and rump
  • Obvious pale supercilium and throat
  • Malar area pale in male but more contrasting dark and pale in female (not all individuals can be reliably sexed)
  • Underside white with dark spots producing a band across upper breast and down flanks
  • Underwing almost entirely buffy-rufous

Females are similar but have less contrast.

Similar Species

Will remind a European observer of a Redwing, but is larger, has stronger bill, longer tail, darker crown and auriculars, and rufous wing panel, while lacking the reddish flanks.

Distribution

Found in summer in northern Asia, mainly Siberia; winters to Japan, Korea, southern China and Myanmar. Generally, Dusky Thrush occurs more northerly then Naumann's Thrush.

Dusky Thrush has occurred as vagrant in Europe and Britain.

Taxonomy

This is a monotypic species1.

Dusky Thrush have recently been split from Naumann’s Thrush Turdus naumanni. Hybrids do occur and are not too rare around Beijing3.

Habitat

Breeds in coniferous and broad-leaf forest and scrub.

Behaviour

Breeding

It nests in trees; 3-5 eggs are laid.

Diet

The diet includes insects, mosquitoes, earthworms and berries.

Vocalisation

Voice is very similar to Naumann's Thrush

References

  1. Clements, JF. 2011. The Clements Checklist of Birds of the World. 6th ed., with updates to August 2011. Ithaca: Cornell Univ. Press. ISBN 978-0801445019. Spreadsheet available at http://www.birds.cornell.edu/clementschecklist/downloadable-clements-checklist
  2. Knox, A.G. et al. 2008. Taxonomic recommendations for British birds: Fifth report. Ibis, 150, 833–835
  3. Thread in Id Forum; see especially posts 5 and 6
  4. Beaman, M., S. Madge, K.M. Olsen. 1998. Fuglene i Europa, Nordafrika og Mellemøsten. Copenhagen, Denmark: Gads Forlag, ISBN 87-12-02276-4

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