Acta Zoologica Cracoviensia, 33() 1990
Understorey bird assemblages in various types of lowland tropical forest in Tambopata Reserve, SE Peru (withfaunistic notes)
Abstract:
Understorey bird assemblages were studied by means of mist-netting in three forest types representing a natural vegetation gradient: from the river (Upper Floodplain Forest) to the most elevated areas (Upland Forest type 2) that rise to 10 m above the seasonally flooded areas. The abundance of birds and relative wing length decreased, whereas species diversity and the degree of sedentariness increased along this gradient. The ant-followers were more common in upper forests, whereas hummingbirds and manakins were more abundant in floodplain forest.
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