Hangnest Tody-Tyrant

The hangnest tody-tyrant (Hemitriccus nidipendulus) is a species of bird in the family Tyrannidae, the tyrant flycatchers. It is endemic to Brazil. == Taxonomy and systematics == The hangnest tody-tyrant has a complicated taxonomic history. It was originally described in 1831 as Euscarthmornis nidipendulus and was the type specimen for genus Euscarthmornis. In part of the twentieth century it was assigned to genus Idioptilon. Both Euscarthmornis and Idioptilon were eventually merged into Hemitriccus. The hangnest tody-tyrant has two subspecies, the nominate H. n. nidipendulus (Wied, 1831) and H. n. paulistus (Hellmayr, 1914). == Description == 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…