Mexico has a megadiverse avifauna that includes many endemic elements, as well as rich
sets of species ranging farther north or farther south in the Americas. This avifauna …

Background Mesoamerica is a remarkable region with a high geological and ecological
complexity. Within northern Mesoamerica, the biotic province of the Sierra Madre del Sur …

Phylogeographic studies seeking to describe biogeographic patterns, infer evolutionary
processes, and revise species-level classification should properly characterize the …

The Military Macaw (Ara militaris) is an endangered bird species with disjunct geographic
distribution across the Neotropics, consisting of three recognized subspecies: One in Mexico …

Phenotypic and genetic variation are present in all species, but lineages differ in how
variation is partitioned among populations. Examining phenotypic clustering and genetic …

Genetic diversity is a key component of evolution, and unraveling factors that promote
genetic differentiation in space and time is a central question in evolutionary biology. One of …

An ongoing challenge in evolutionary and ecological research focuses on testing
biogeographic hypotheses for the understanding of both species' distributional patterns and …

El Alto Balsas es una región importante para la biodiversidad mexicana por sus altos
niveles de recambio taxonómico y riqueza de endemismos. Desafortunadamente la pérdida …

Abstract The Bell's Vireo (Vireo bellii) is a widespread North American species of bird that
has declined since the mid-1960s primarily due to habitat modification. Throughout its …

Abstract Background The Mesoamerican dominion is a biogeographic area of great interest
due to its complex topography and distinctive climatic history. This area has a large diversity …