Distribution and natural history of some birds from the departments of San Martin and Amazonas, northern Peru

Ornithological surveys were conducted during 1983 in northern Peru at three sites in Dpto. San Martin, and at one site in Dpto. Amazonas. New localities and natural history observations are reported for the following species: Touit stictoptera, Otus guatemalae, Chaetura egregia, Phaethornis koepckeae, Urosticte benjamini, Heliangelis regalis, Phyllomyias burmeisteri, Hemitriccus rufigularis, Myiophobus phoenicomitra, Oxyruncus cristatus, and Henicorhina leucoptera. Campylopterus villaviscensio is reported from Peru for the first time, and the first known nest of Contopus nigrescens is described. Two appendices report the relative abundance of all species recorded from the four sites.