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Print version ISSN 0073-3407On-line version ISSN 1850-4884


KRAUCZUK, Ernesto R et al. Regression, expansion, distribution and notes on the natural history of Psarocolius decumanus in the southern limits of its distribution. Hornero [online]. 2017, vol.32, n.2, pp.245-255. ISSN 0073-3407.

Psarocolius decumanus has a wide distribution in South America and in its southern limit it occupies disjunct areas in humid forest zones. Currently, its geographical distribution and population situation in northern Argentina and southern Brazil are controversial. In this work, we collected information on the southern limit of the historical and current distribution of Psarocolius decumanus, whose analysis allows us to report a latitudinal expansion and regression and to elevate the known altitudinal range. In addition, we provide information about their nests, natural history data and the presence of the species is documented in Misiones Province, where there are no specific records since the 1940s.

Keywords : Altitudinal distribution; Campos and Malezales; Expansion; Paranaense Forest; Yungas.

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