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Article
G. H. Kattan, Auteur ; J. W. Beltran, AuteurGrallaria antpittas are a group of little known birds from the understorey of humid forests of the tropical Andes, with several species having very narrow distributions. At Ucumari Regional Park, which protects the Otun River watershed in the Ce[...]
Article
G. H. Kattan, Auteur ; H. Alvarez-Lopez, Auteur ; N. Gomez, Auteur ; L. Cruz, AuteurIncidental to a study of the breeding biology of other cavity-nesting species, we obtained data on an Apical Flycatcher (Myiarchus apicalis) female that remained for 6.5 yr (September 1990-February 1997) in the same area in the Cauca Valley, sou[...]
Article
G. H. Kattan, Auteur ; J. W. Beltran, AuteurBetween 1995 and 2000, we made a comparative study of ranging patterns of individuals of five sympatric species of antpitta Grallaria spp. that differ in body size and extent of geographical range. Grallaria milleri is restricted to a small area[...]
