A practical handbook of British birds London, Witherby, 1920-24, birds, Great Britain, mistle thrush, British song thrush, ring ouzel, blackbird, British dipper, redwing, alpine ring ouzel, The illustration features a collection of juvenile thrush species, showcasing the diverse plumage and characteristics of each bird. The top row displays three distinct juvenile varieties: the Mistle Thrush, a British song thrush, and another juvenile British thrush. Below them, there are two additional juvenile thrushes depicted in side profiles, emphasizing the variations in their feather patterns and body shapes. Accompanying the birds are detailed annotations with numerical labels, providing insights into their identification and natural sizes. Surrounding the birds, several feathers are illustrated, highlighting the intricate details of their textures and shapes, which complement the overall study of avian morphology.