French: Hirondelle à diadème German: Weißbürzelschwalbe Spanish: Golondrina cejiblanca
From C & E Bolivia and C Brazil (S from C Mato Grosso, Tocantins and Espírito Santo) S to N Argentina (S to La Pampa and Buenos Aires) and Uruguay; in non-breeding season occurs N to SE Peru, N Bolivia and NC Brazil.
13 cm; 17–21 g. Has white streak above lores, often extending over bill; crown and upperparts glossy blue (more greenish-blue when not breeding), rump white; wings... read more
Song is a soft gurgling; also an alarm call.
Open and semi-open country near water, such as lagoons and marshes, woodland edge, and human... read more
Food and feeding
Diet includes flies (Diptera), beetles (Coleoptera), flying ants (Hymenoptera), Orthoptera and Lepidoptera. Feeds alone or in small groups... read more
Oct–Dec in Brazil, Oct–Feb in Argentina. Solitary, and aggressive to intruders. Nest made of plant fibres, lined with hair and... read more
Migratory in S, mostly absent from Argentina and Uruguay May–Aug. Occurs all year in Brazil,... read more
Status and conservation
Not globally threatened (Least Concern). Generally common or fairly common. May benefit from using artificial nest-sites, but does not often breed in towns.
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