Pygmy antwren

The pygmy antwren ("Myrmotherula brachyura") is a species of bird in the Thamnophilidae family.
It is found in Bolivia, Brazil, Colombia, Ecuador, French Guiana, Guyana, Peru, Suriname, and Venezuela.
The Pygmy Antwren is the smallest of the antbirds. It usually weighs only 7 g (0.25 oz).