Plumbeous Seedeater Female

The Plumbeous Seedeater (Sporophila plumbea) is a species of bird in the family Thraupidae. It is found in Argentina, Bolivia, Brazil, Colombia, French Guiana, Guyana, Paraguay, Peru, Suriname, and Venezuela. Its natural habitats are dry savanna and subtropical or tropical seasonally wet or flooded lowland grassland.

The plumbeous seedeater size is:

The plumbeous vireo size is  4.7-5.1 in (12-13 cm) and weighs 0.3-0.6 oz (10-16 g)