ソライロノジコ Cyanoloxia glaucocaerulea

A medium-sized bulky finchlike species with a small head and a thick bill. Males are blue overall with a glossy blue forehead and rump. Females are dark-brown above and paler below. Found at the edges of second growth and woodlands, typically singly or in pairs and normally very shy. Considered a partial austral migrant, moving a bit further north from the southern limit of its range in winter.