Plumbeous Euphonia

The plumbeous euphonia (Euphonia plumbea) is a species of bird in the family Fringillidae, the finches and euphonias. It is found in Brazil, Colombia, Guyana, Peru, Suriname, Venezuela, and as a vagrant to French Guiana. == Taxonomy and systematics == The plumbeous euphonia was originally described in 1855 with its current binomial Euphonia plumbea. The genus Euphonia 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 plumbeous euphonia is monotypic. == Description == The plumbeous euphonia is about 9 cm (3.5 in) long and weighs about 9 g (0.32 oz). The species is sexually dimorphic. Adult males have a glossy dark gray head, upper breast, and upperparts. Their tail is dusky with a wash of olivaceous gray. Their upperwing coverts and flight feathers are dusky with wide olivaceous gray edges. Their underparts from their breast to the undertail coverts are bright yellow with some gray mottling on the sides and flanks. Adult females have an overall pattern similar to the male's though duller. Their crown and nape are gray and the rest of their head…