Swainson’s Thrush
Catharus ustulatus
The Swainson's Thrush is a rare migrant to Britain, typically seen during the autumn months, and is most notable for its subdued colouration and distinctive voice. It can be spotted in woodland edges and hedgerows, particularly in the western and southern regions of the country.
Field Identification Guide
Use these features to identify Swainson’s Thrush in the field.
The Swainson's Thrush can be identified by its olive-brown back, buffy breast with brown spots, and a distinctive white eye-ring. Its rounded head and short tail are also key features to look out for.
The Swainson's Thrush is slightly smaller than a Song Thrush, but larger than a Robin.
The male Swainson's Thrush has a distinctive olive-brown back, with a reddish-brown tint to the wings and tail, and a buffy breast with brown spots, which can vary in intensity depending on the season.
The female plumage is similar to that of the male, with slight variations in the intensity of the colours, but overall, the female is almost indistinguishable from the male.
The Swainson's Thrush has a beautiful, ascending flute-like voice, often described as a series of whistled notes that rise in pitch.
The Swainson's Thrush is a ground-foraging bird, feeding on insects, fruits, and berries, and can be seen hopping along the ground or flying low between shrubs with a swift, direct flight.
The Swainson's Thrush can be confused with other thrush species, such as the Song Thrush or the Redwing, but can be distinguished by its olive-brown back, buffy breast, and distinctive white eye-ring, as well as its unique call and song.
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