Fig. 7

Average reflectance (+ SE) from five plumage regions (a: crown, b: back, c: rump, d: upper breast, e: wing bar) of male teydea (blue lines, N = 10) and male polatzeki (red lines, N = 5) skins in the AMNH collection [Additional file 2]. Spectra were averaged for five scans of each plumage region