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Three-striped warbler

Basileuterus tristriatus

Photo by R.S. Scanlon (Mango Verde)

Common name:
three-striped warbler (en); pula-pula-de-cabeça-listada (pt); paruline triligne (fr); reinita cabecilistada (es); dreistreifen-waldsänger (de)

Order Passeriformes
Family Parulidae

This species is found in Costa Rica, Panama and northern Colombia and Venezuela, and along the Andes from western Colombia down to central Bolivia.

These birds are 13 cm long and weigh 10-13 g.

The three-striped warbler is found in mid-altitude, moist tropical forests, mainly at altitudes of 1.000-2.000 m, but ocasionally as low as 300 m and as high as 2.700 m.

They feed mainly on arthropods, may possibly also take some vegetable mater.

Three-striped warblers breed in February-September. The nest is a small domed cup with a side entrance, usually placed on a steep slope or bank, or built into the leaf litter or under the base of a sapling or small trees. There the female lays 1-3 white eggs with brown spots, which she incubates alone for about 16 days. The chicks are fed by both parents and fledge 10-11 days after hatching.

IUCN status – LC (Least Concern)
This species has a large breeding range and is described as common. The population is suspected to be in decline owing to ongoing habitat destruction.

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