Tyrannidae, Xolmis cinereus
It has 22.5 cm (9 in), is gray and white, with reddish eye. When it flies reveals a very prominent black and white drawing on the wing.
The Grey Monjita (Xolmis cinereus) is a species of bird in the Tyrannidae family. It is found in Argentina, Bolivia, Brazil, Paraguay, Peru, Suriname, and Uruguay. Its natural habitats are dry savanna, subtropical or tropical seasonally wet or flooded lowland grassland, and pastureland.