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Brazil has one of the highest avifauna diversities in the world, and many species are used by human populations in many different… Expand The acute phase response (APR) is the first line of defense that many vertebrates employ during a pathogenic challenge. This… Expand Studies on Neotropical phylogeography have largely focused on lowland organisms. Because lowland and highland biotas have… Expand Thirty nine wild birds from seven families (Alcedinidae, Emberizidae, Furnariidae, Parulidae, Trochilidae, Turdidae and… Expand The native Hawaiian honeycreepers represent a classic example of adaptive radiation and speciation, but currently face one the… Expand We estimated nesting success of a breeding bird assemblage in the central Monte Desert in four breeding seasons (1995-1999). We… Expand Mitochondrial DNA (mtDNA) control‐region (CR) sequences were analysed to address three questions regarding the evolution of… Expand Behavioral evolution can be influenced by constraints, for example, of phylogeny and performance. In this paper I describe a… Expand The tanagers (Passeriformes: Emberizidae: Thraupinae) are a diverse group of mostly Neotropical birds with a wide range of… Expand Abstract Correlates of dominance were investigated in a wintering population of white-throated sparrows, Zonotrichia albicollis… Expand