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General Knowledge The black-billed thrush is the most common ''Turdus'' thrush of disturbed habitats in western Amazonia and on the Guianan Shield. This species is found in an arry of habitats including clearings, savannas with gallery woodland, cerrado, humid forest borders, shade coffee plantations, and various other anthropogenic habitats. The black-billed thrush has diet containing of beetles and flies, berries, and fruits. Additionally,it is recorded that they take worms, crickets, and caterpillars. This specifics is native too Bolivia, Plurinational States of; Brazil; Colombia; Ecuador; Guyana; Peru; Suriname; Venezuela. Justification This species has an extremely large range, and hence does not approach the thresholds for vulnerable under the range size criterion. The extent of occurrence being <20,000 km2, combined with a declining or fluctuating range size, habitat extent and quality, or population size. The population trend of the Black-billed Thrush appears to be stable, and hence the species does not approach the thresholds for Vulnerable under the population trend criterion >30% decline over a period of ten years or three generations. For the reasons listed above the species is evaluated as Least Concern. _____________________________________________________________________________________________________________〔〔Collar, N. & Bonan, A. (2015). Black-billed Thrush (Turdus ignobilis). In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.) (2015). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. (retrieved from http://www.hbw.com/node/58291 on 16 July 2015).〕 〔BirdLife International 2012. Turdus ignobilis. The IUCN Red List of Threatened Species. Version 2015.2. 抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Black-billed thrush」の詳細全文を読む スポンサード リンク
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