The Siberian thrush (Geokichla sibirica) is a member of the thrush family Turdidae.It breeds in taiga in Siberia. It is strongly migratory, with most birds moving to southeastern Asia during the winter. It is a very rare vagrant to western Europe. It is very secretive.The Siberian thrush is similar in size to the song thrush. It is omnivorous, eating a wide range of insects, earthworms and berries.The male Siberian thrush is a dark blue-grey above and below, with a white stripe above the eye.