The streamer-tailed tyrant is a species of bird in the family Tyrannidae, the tyrant flycatchers. It is found in Argentina, Bolivia, Brazil, and Paraguay, and as a vagrant to Uruguay.
Region
South America
Typical Environment
Occurs in northern and central Argentina, Bolivia, Brazil, and Paraguay, with occasional vagrants to Uruguay. It inhabits open and semi-open landscapes, especially marshes, wet grasslands, savannas with scattered shrubs, and edges of gallery woodlands. Frequently uses human-altered habitats such as pastures, fencelines, and rice fields near water. Typically perches prominently to scan for insects and favors areas with tall grasses or reeds for nesting cover.
Altitude Range
0–1500 m
Climate Zone
Subtropical
Ease of Keeping
Beginner friendly: 1/5
The streamer-tailed tyrant is a striking South American flycatcher noted for the male’s extremely long, ribbon-like outer tail feathers used in display flights. It often hunts from conspicuous perches such as fence posts and reed tops, sallying out to catch flying insects. It favors open wetlands and seasonally flooded grasslands and can turn up in rice fields and pastures.
Temperament
active and conspicuous
Flight Pattern
short rapid wingbeats with buoyant glides, especially during display
Social Behavior
Usually seen singly or in pairs, often perched in the open. Forms monogamous pairs during the breeding season and defends territories in suitable open wetland habitats. Builds a cup nest low in grasses, reeds, or shrubs near water; both sexes may participate in parental care.
Migratory Pattern
Partial migrant
Song Description
Vocalizations include sharp chatters, buzzy trills, and squeaky notes delivered from exposed perches. Males may vocalize during aerial displays, emphasizing the visual effect of the long tail streamers.
