White-crested Elaenia Facts and Photos

Information about the Bird White-crested Elaenia

Its natural habitats are temperate forests, subtropical or tropical moist montane forests, subtropical or tropical high-altitude shrubland, and heavily degraded former forest.The white-crested elaenia (Elaenia albiceps) is a species of bird in the family Tyrannidae, the tyrant flycatchers. It has several subspecies breeding across southern and western parts of South America. Southern birds migrate north in winter.

The white-crested elaenia easily is recognizable as an elaenia by the combination of drab plumage (primarily dull green above, and whitish below); wings with conspicuous wing bars (pale tips to the greater and median wing coverts); slightly crested appearance, with a semi-concealed white center to the crown; and upright posture. small-billed elaenia, lesser elaenia and sierran elaenia cannot always be distinguished in the field. Length in this species is 13.5-15cm (5.3-6in) and weight is 12.5-24.3 grams, with an average of 16.3 grams.
At least five subspecies are recognized:
The white-crested elaenia is a permanent resident in the central and southwestern coastal Andean region of South America in Peru, Ecuador, Bolivia, and northernmost Chile. Also, in most of Argentina, mostly western, and southern and central Chile, Tierra del Fuego, it is also resident.
To the north and east in northeast Brazil, the Amazon Basin, and in the Amazonian Andes regions of eastern Colombia, Peru, and northern Bolivia southeastwards into eastern Brazil, white-crested elaenia is a non-breeding resident bird, in the austral winter. In the entirety of South America, two thirds of its range is as a non-breeding migratory species. It is a vagrant to the Falkland Islands and in 2008 a bird was found in Texas, a potential first for the United States and North America. A second bird was reported in Chicago in 2012.
Like many other species of Elaenia, white-crested elaenia is found in a variety of wooded habitats. Throughout most of its breeding distribution in the Andes, white-crested elaenia is found at forest edge, in second growth, and in scrub. In at least some areas, it breeds in drier intermontane valleys, rather than the more humid forests occupied by Sierran elaenia, but the habitat relationships between the two species have not been studied in detail. In northwestern Argentina, where white-crested elaenia overlaps with small-billed elaenia, there is some degree of segregation by habitat: small-billed elaenia breeds in tall woods, and primarily below 1500 m, whereas white-crested elaenia occurs in smaller trees and in agricultural areas, with an elevational distribution of 1500-3500 m.
It regularly consumes small fruit, at least when not breeding, but takes small insects as well. It also eats a large variety of foods such as grass, berries, seeds, and nuts. The white-crested elaenia typically is solitary, but, at least when not breeding, may congregate with other frugivores at fruiting trees. Aggregations of up to 100 individuals have been reported during migration.
The oldest known white-crested elaenia from banding studies was eight years and two months old, though it is uncertain whether this represents the maximum potential longevity of the species.

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