Convergent evolution is widely regarded as a signature of adaptation. However, testing the
adaptive consequences of convergent phenotypes is challenging, making it difficult to …

Phylogeographic analyses of the genus Eremophila (Horned Lark E. alpestris and
Temminck's Lark E. bilopha) were carried out based on the mitochondrial cytochrome b and …

The vespertilionid bat Histiotus macrotus occurs in western Argentina, central regions of
Chile and south of Argentina and Chile, and it may be also present in Bolivia and southern …

Genetic structure and phenotypic variation among populations are affected by both
geographic distance and environmental variation across species' distributions …

Geographic variation in bird song has received much attention in evolutionary studies, yet
few consider components within songs that may be subject to different constraints and follow …

The ecology of cavity nesting in passerine birds has been studied extensively, yet there are
no phylogenetic comparative studies that quantify differences in life history traits between …

Humans are modifying our planet's ecosystems with increasing frequency and intensity.
Exploring population responses to anthropogenic modifications of natural habitat provides …

Bell's and Sagebrush sparrows (Artemisiospiza belli and A. nevadensis) are phenotypically
and genetically distinct, but data have yielded contradictory findings for A. belli subspecies …

Habitat selection that has fitness consequences has important implications for conservation
activities. For example, habitat characteristics that influence nest success in birds can be …

Gene flow can affect evolutionary inference when species are undersampled. Here, we
evaluate the effects of gene flow and geographic sampling on demographic inference of 2 …