VARIABLES male.mean.dS: male mean interpatch chromatic contrast male.mean.dL: male mean interpatch achromatic contrast male.meanB: male mean brightness (log-transformed) male.bkg.dS: male mean background chromatic contrast male.bkg.dL: male mean background achromatic contrast male.chrom: male mean chromaticity fema.mean.dS: female mean interpatch chromatic contrast fema.mean.dL: female mean interpatch achromatic contrast fema.bkg.dS: female mean background chromatic contrast fema.bkg.dL: female mean background achromatic contrast fema.meanB: female mean brightness (log-transformed) fema.chrom: female mean chromaticity dich.mean.dS: mean chromatic dichromatism (log-transformed) dich.mean.dL: mean achromatic dichromatism (log-transformed) melano: melanosome type (0 = rod-shaped, 1 = derived) social.system: social system (0 = non-cooperative, 1 = cooperative) habitat: habitat type (0 = open, 1 = forest) nim: number of non-iridescent patches in males nif: number of non-iridescent patches in females spp: species identifier SPECIES CODING cile = Cinnyrincinclus leucogaster grto = Grafisia torquata haau = Hartlaubius aurata hycu = Hylopsar cupreocauda hypu = Hylopsar purpureiceps laac = Lamprotornis acuticaudus laal = Lamprotornis albicapillus laau = Lamprotornis australis labi = Lamprotornis bicolor laca = Lamprotornis caudatus lach = Lamprotornis chalcurus lacl = Lamprotornis chloropterus lacy = Lamprotornis chalybaeus lael = Lamprotornis elisabeth lafi = Lamprotornis fischeri lahi = Lamprotornis hidebrandti lair = Lamprotornis iris lame = Lamprotornis mevesii lani = Lamprotornis nitens laor = Lamprotornis ornatus lapl = Lamprotornis pulcher lapp = Lamprotornis purpuroptera lapu = Lamprotornis purpureus lare = Lamprotornis regius lash = Lamprotornis shelleyi lasp = Lamprotornis splendidus lasu = Lamprotornis superbus laun = Lamprotornis unicolor negu = Neocichla gutturalis noco = Notopholia corruscus onal = Onychognathus albirostris onbl = Onychognathus blythii onfr = Onychognathus frater onfu = Onychognathus fulgidus onmo = Onychognathus morio onna = Onychognathus nabouroup onsa = Onychognathus salvadorii onte = Onychognathus tenuirostris ontr = Onychognathus tristramii onwa = Onychognathus walleri phfe = Poeoptera femoralis poke = Poeoptera kenricki polu = Poeoptera lugubris posh = Poeoptera sharpii post = Poeoptera stuhlmanni sasp = Saroglossa spiloptera spbi = Speculipastor bicolor