Golden-browed Chlorophonia

The golden-browed chlorophonia (Chlorophonia callophrys) is a species of bird in the family Fringillidae, the finches and euphonias. It is found in Costa Rica and Panama. == Taxonomy and systematics == The golden-browed chlorophonia was originally described by Jean Cabanis in 1861 with the binomial Triglyphidia callophrys. Cabanis stated that the genus Triglyphidia "probably means 'with three small notches' ". The golden-browed chlorophonia and the blue-crowned chlorophonia (Chlorophonia occipitalis) were for a time treated as conspecific and now form a superspecies. The genus Chlorophonia was long placed in the family Thraupidae, the "true" tanagers. Multiple studies in the late twentieth and early twenty-first centuries resulted in its being reassigned to its present place in the family Fringillidae. The golden-browed chlorophonia is monotypic. == Description == The blue-crowned chlorophonia is a chunky, short-tailed, stubby-billed bird. It is about 13 cm (5.1 in) long and weighs about 24 g (0.85 oz). The species is sexually dimorphic. Adult males have pale violet-blue crown and nape, under the crown a golden-yellow forehead and wide supercilium, and a turquoise eye-ring. The rest of their face, their throat, and their upper breast are emerald-green. They have a thin turquoise collar under the nape and a thin…