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Chalk-browed Mockingbird ( Mimus saturninus )
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DisciplineBiology
Publication in10/12/2006, 12:12
Sent byIcon Rodrigo Girardi Santiago
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Summary
25 cm. The upper parts are brown, the inferior light brown. There are white wingbars . The supercilium and the edging of the tail are white. Male and female are similar.
Distribution:
South of Amazon to Paraguay, Uruguay, Argentina and Bolivia.
Habitat:
Open areas with some trees or scrubs, cerrado, caatinga (Brazilian scrubland) and urban areas.
Diet:
Feeds on insects and spiders caught on the ground. Also eats small fruits and seeds. Sometimes prey on other bird’s eggs.
Reproduction:
The nest is built about 1,5m from the ground on a small tree or scrub. The external part is made of thick branches and the interior of thin roots and grass. It may have up to four broods a year, each one with up to five eggs. Other members of the family may help raising the hatchlings.
Natural history:
Although it resembles a thrush it belongs to another family. Are very aggressive to other species of birds that come close to the nest or feeding sites. In Rio Grande do Sul they have an elaborate song, but in other places the song is simpler. May mock other bird’s songs such as the kestrel (Falco sparverius).Some populations migrate during the cold season.
General Information
Authors USU Rodrigo Girardi Santiago
KeywordsChalk-browed Mockingbird, Mimus saturninus, Passeriformes, Mimidae
Citation (ABNT)
SANTIAGO, R. G. Chalk-browed Mockingbird ( Mimus saturninus ) Biblioteca Digital de Ciências, 10 dec. 2006. Available in: <http://www.ib.unicamp.br/lte/bdc/visualizarMaterial.php?idMaterial=390>. Access in: 09 feb. 2010.
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