Figure 1. Evidence of plumage diversity in the Confuciusornithidae from the new specimen (CUGB P1401).

(A–D) The primary slab of CUGB P1401 showing details of the plumage including crest ornamentation on the (B) top and (C) back of the head as well as on the (D) secondary and (E) gular feathers. Dots indicate locations sampled for Raman and morphological analyses. Colored dots correspond to locations of SEM images and Raman spectra in Fig. 2.