In this review I summarize the history of the subspecies concept and the major debates and
issues surrounding its use, with an emphasis on ornithology, in which the concept …

Hybridization and resulting introgression can play both a destructive and a creative role in
the evolution of diversity. Thus, characterizing when and where introgression is most likely to …

Understanding the factors that govern variation in genetic structure across species is key to
the study of speciation and population genetics. Genetic structure has been linked to several …

Geographically isolated populations of birds often differ in song. Because birds often choose
mates on the basis of their song, song differentiation between isolated populations …

The acceptance of the generalized or unified concept of species (ie that species are
segments of population lineages) implies that an important task for systematists is to focus …

Neste artigo, a lista das aves do estado do Rio Grande do Sul (281.749 km²) é revisada e
atualizada. A inclusão de espécies na lista seguiu dois critérios principais:(i) ocorrência no …

Recent research has revealed well over 1000 mtDNA lineages of avian haemosporidian
parasites, but the extent to which this diversity is caused by host–parasite coevolutionary …

Although it has long been recognized that many tropical birds do not share the same narrow
breeding periods as temperate birds, conventional thinking considers tropical breeding …

Bird populations have declined in many parts of the world but most of those declines can be
attributed to effects of human activities (eg, habitat fragmentation); declines in areas …

There are currently four world bird lists referenced by different stakeholders including
governments, academic journals, museums and citizen scientists. Consolidation of these …