Dusky Thrush

Fascinating facts about the Dusky Thrush

• From the taiga of central Siberia to the volcanic islands of Kamchatka, this thrush makes its home before embarking on a south-bound trek each winter, ending up in places like Korea, Japan, South China and Myanmar.
• In December 2016 a lone individual showed up in Derbyshire, United Kingdom, turning a quiet English countryside into a magnet for hundreds of birdwatchers eager to catch a glimpse of this far-flung visitor.
• Unlike its close cousin, the Naumann's thrush, this bird thrives not only in open woodlands but also on the edges of tundra and in rugged mountain zones, showing a flexibility that lets it nest high in trees even where the ground is rocky and sparse.
• A typical clutch holds three to five eggs, laid in a nest that may look messy at first glance but is actually lined with careful precision, providing a cozy incubator for the next generation.
• Its diet includes mosquitoes, earthworms and a variety of berries.

At a glance

About the Dusky Thrush

The dusky thrush (Turdus eunomus) is a medium-sized, stocky thrush that bears a striking resemblance to a small fieldfare. Its dark brown back and rump contrast with a stark white belly and undertail, while the face, breast and flank spots are black, giving the bird a bold, orderly appearance that echoes its ancient Greek name, eunomos, meaning “orderly.” A pale supercilium arches over the eye, and the underwing flashes a reddish-brown hue when the bird takes flight. The male’s song is a simple, fluted whistle, reminiscent of the redwing, and while the female mirrors the male’s plumage, immatures display a softer pattern. Breeding across the open woodlands of central Siberia to Kamchatka, the dusky thrush tolerates mountainous and tundra-edge habitats more readily than its close relative, Naumann’s thrush. It nests in trees, laying three to five eggs in an untidy yet neatly lined nest, and often gathers in small flocks during migration and winter. In winter, it journeys south to southeast Asia, primarily Korea, Japan, South China and Myanmar, where it becomes an opportunistic omnivore, feasting on insects such as mosquitoes, earthworms, and a variety of berries. A rare vagrant, a single individual sparked a flock-watching frenzy in Derbyshire, United Kingdom, in December 2016, underscoring the species’ capacity for surprising long-distance wanderings.

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