The sulphury flycatcher (Tyrannopsis sulphurea) is a passerine bird of the family Tyrannidae, the tyrant flycatchers. It is found on Trinidad and in every mainland South American country except Argentina, Chile, Paraguay, and Uruguay.
Taxonomy and systematics
The sulphury flycatcher was originally described as Muscicapa sulphurea, erroneously classifying it as an Old World flycatcher. Robert Ridgway erected genus Tyrannopsis for it in 1905.
The sulphury flycatcher is the only member of its genus and has no subspecies.
Distribution and habitat
The sulphury flycatcher is primarily a bird of the Amazon Basin whose range extends north across the Guiana Shield and includes the offshore island of Trinidad. On the mainland it is found in eastern Colombia, northeastern Ecuador, eastern Peru, far northern Bolivia, eastern Venezuela, the Guianas, and much of northern Brazil. In that country the range's southern edge crosses north-central and eastern Rondônia, the northern half of Mato Grosso, western Tocantins, and the northwestern half of Maranhão. The sulphury flycatcher is almost exclusively associated with moriche palms, inhabiting clusters of them in swampy forest (especially around oxbow lakes), more scattered ones in savanna, and sometimes isolated ones in cultivated areas and near houses. It reaches in Colombia, in Ecuador, and in Peru.
Behavior
Movement
The sulphury flycatcher is believed to be a year-round resident throughout its range. However, there is some evidence that at least in Venezuela it might make some seasonal movements. and Virola