Speciation research—the scientific field focused on understanding the origin and diversity of
species—has a long and complex history. While relevant to one another, the specific goals …

Beringia is a biogeographically dynamic region that extends from northeastern Asia into
northwestern North America. This region has affected avian divergence and speciation in …

Accurately determining avian species limits has been a challenge and a work in progress for
most of a century. It is a fascinating but difficult problem. Under the biological species …

Abstract The Pacific Basin, by virtue of its vastness and its complex aeroscape, provides
unique opportunities to address questions about the behavioral and physiological …

Episodes of Quaternary environmental change shaped the genomes of extant species,
influencing their response to contemporary environments, which are changing rapidly …

Background Duck is an ancient domesticated animal with high economic value, used for its
meat, eggs, and feathers. However, the origin of indigenous Chinese ducks remains elusive …

Sample size is a critical aspect of study design in population genomics research, yet few
empirical studies have examined the impacts of small sample sizes. We used datasets from …

Present‐day ecology and population structure are the legacies of past climate and habitat
perturbations, and this is particularly true for species that are widely distributed at high …

The diversity of life forms that surround us formed through a variety of processes. Speciation
researchers use a suite of comparative approaches to understand both the generalities and …

The development of molecular methods to detect Mytilus hybrids is important for food
authentication, conservation, and the sustainable management of shellfish aquaculture as …