The Song Thrush and Mistle Thrush. Song Thrush Both of these birds are resident at Corkagh and can be very difficult to tell apart. The Mistle Thrush is taller, and stands with a very upright pose while the Song Thrush is smaller and rounder. The markings on the Song Thrushes breast are like arrows pointing upwards towards its throat while the Mistle Thrush has rounder, messier marks. Mistle Thrush The Song Thrush has a distinctive song that can be heard across Corkagh, it is a series of notes each repeated 3 or 4 times, while the Mistle Thrushes song is described as a melancholic whistle. Song Thrush If you have a Song Thrush visit your garden as I had recently you might notice empty snail shells scattered around. The Song Thrush prefers worms of course, but in dry weather or during winter the snail provides a nourishing meal. In order to access the meat inside the Thrush will bang the shell repeatedly against a stone. The Mistle Thrush is unable to do thi...