English: Feathers preserved in Caihong juji. Feathers attached to the neck: (a) pennaceous feathers and (b) down-like feather; (c) feathers attached to the chest and trunk region; (d) primary or secondary remige near the carpal joint; (e) alula; (f) pennaceous feather on the tibiotarsus; (g) anterior rectrix; (h) posterior rectrix; (i) middle rectrix; (j) close-up of barbs and barbules. Scale bars are 0.2 cm in a, b, j; 0.5 cm in d, e, f, g, h; and 1 cm in c, i, respectively. Arrows in j indicate barbules of a rectrix