Description wikipedia

The hangnest tody-tyrant (Hemitriccus nidipendulus) is a species of bird in the family Tyrannidae, the tyrant flycatchers. It is endemic to Brazil. The hangnest tody-tyrant is 9.5 to 10 cm (3.7 to 3.9 in) long and weighs 7.2 to 8 g (0.25 to 0.28 oz). The sexes have the same plumage. Adults of the nominate subspecies have a bright olive-green crown. Their lores are yellowish olive and the rest of their face bright olive-green. Their back and rump are bright olive-green. Their wings are olive with yellow edges on the flight feathers and coverts. Their tail is olive. Their throat and underparts are mostly white with faint grayish olive streaks on the breast and flanks. Subspecies H. n. paulistus has the same plumage as the nominate but is slightly larger and has a longer tail. Both subspecies have a creamy white iris, a brown bill with a grayish pink base to the mandible, and light gray legs and feet. The hangnest tody-tyrant has a disjunct distribution in southeastern Brazil. The nominate subspecies has a small range in Sergipe and northeastern Bahia states. Subspecies H. n. paulistus has a much larger range from southern Minas Gerais and Espírito Santo south to northeastern Paraná state. The species is a bird of the Atlantic Forest, where it inhabits humid restinga broadleaf and evergreen forests. It favors dense woodlands, secondary forest, and thickets of the fern Pteridium aquilinum. In elevation it ranges from sea level to 900 m (3,000 ft).