French: Tyranneau à queue aiguë German: Spitzschwanz-Grastyrann Spanish: Tachurí coludo
Locally in C & E Bolivia (La Paz, Beni, Santa Cruz), C & S Brazil (Tocantins#R and S Bahia S to Mato Grosso, Mato Grosso do Sul, S Minas Gerais, São Paulo and Paraná; also Santa Catarina and Rio Grande do Sul), E Paraguay and N Argentina (S to Santa Fe, Entre Ríos and Corrientes).
10·5 cm. Distinctively plumaged tyrannid with unique long, graduated tail. Male has blackish crown, slightly bushy, bordered below by broad white supercilium, narrow black... read more
Song a series of weak, short, ascending burry whistles, “tweee tweee tweee”, presumably by male, as... read more
Campo and dry grassland, wetter and taller portions of native grassland, especially where... read more
Food and feeding
Insects; possibly also seeds. Forages in pairs or in small, tight groups of up to five (sometimes to ten) individuals; occasionally joins... read more
Oct–Mar. Nest an elaborate open cup, external diameter 5 cm, internal diameter 3 cm, cup depth 4 cm, made of grasses, other plant... read more
Status and conservation
VULNERABLE. Previously considered Near Threatened. Mostly rare and very localized; locally fairly common; possibly most abundant and widespread in E Bolivia. Habitat loss... read more
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