Genus 1. Turdus (Thrush, Blackbird, etc.) Bill moderate, compressed at the point; upper mandible notched, bending over the lower one; gape furnished with a few bristles; nostrils basal, lateral, oval, partly covered by a naked membrane; tarsus longer than the middle toe; wings and tail moderate; first primary very short or almost abortive, second shorter than the third or fourth, which are the longest.
2. Saxícola (Wheatear). Bill straight, slender, the base rather broader than high, advancing on the forehead, compressed towards the point; upper mandible keeled, curved, and notched; gape surrounded by a few bristles; nostrils basal, lateral, oval, half closed by a membrane; first primary half as long as the second, which is shorter than the third, third and fourth longest; tarsus rather long; claw of the hind toe short, strong and curved.
3. Pratíncola (Chats). Bill shorter and broader than in Saxicola; bristles at the gape strongly developed. Wings and tail rather short.
4. Ruticilla (Redstarts). Bill slender, compressed towards the point, a little deflected and very slightly emarginate; gape with tolerably large bristles. Nostrils basal, supernal, and nearly round. Wings moderate; the first quill short; the second equal to the sixth; the third, fourth and fifth, nearly equal, and one of them the longest. Legs slender, the tarsus longer than the middle toe, and covered in front by a single scale and three inferior scutellæ.
5. Eríthacus (Redbreast). Bill rather strong, as broad as it is high at the base, where it is depressed, slightly compressed towards the tip; upper mandible bending over the lower and notched, nostrils basal, oval, pierced in a membrane, partly hid by bristles diverging from the gape; first primary half as long as the second, fifth the longest; tail slightly forked.