Père David's tit or the rusty-breasted tit (Poecile davidi) is a species of bird in the tit family Paridae. It is endemic to west-central China in southern Gansu, western Hubei, southern Shaanxi, and Sichuan. It is 12–13 centimetres (4.7–5.1 in) long with a weight of 10–12.5 grams (0.35–0.44 oz), and is similar to the related sombre tit (P. lugubris) in appearance, with a black head with white cheeks, dark grey-brown back, wings and tail, and rusty brown underparts.