The origin of biological diversity, via the formation of new species, can be inextricably linked to adaptation to the ecological environment. Specifically, ecol

The average person can name more bird species than they think, but do we really know what a bird “species” is? This open access book takes up several fascin

The Arthur M. Sackler Colloquia of the National Academy of Sciences address scientific topics of broad and current interest, cutting across the boundaries of tr

Adaptive speciation occurs when biological interactions induce disruptive selection and the evolution of assortative mating, thus triggering the splitting of li

The diversity of species of plants and animals is the net result of the origin of new species by the splitting of existing lineages (speciation) and the loss of