Hybridization between species is commonplace in plants, but is often seen as unnatural and
unusual in animals. Here, I survey studies of natural interspecific hybridization in plants and …

A series of important new theoretical, experimental and observational studies demonstrate
that just a few immigrants can have positive immediate impacts on the evolutionary trajectory …

Charles Darwin's experiences in the Galápagos Islands in 1835 helped to guide his
thoughts toward a revolutionary theory: that species were not fixed but diversified from their …

Even before the publication of Darwin's Origin of Species, the perception of evolutionary
change has been a tree-like pattern of diversification-with divergent branches spreading …

Between 1973 and 2003 mean morphological features of the cactus finch, Geospiza
scandens, and the medium ground finch, G. fortis, populations on the Galápagos island of …

Species hybridization can lead to fitness costs, species collapse, and novel evolutionary
trajectories in changing environments. Hybridization is predicted to be more common when …

The role of hybridization in evolution is a theme that has been intensively and sometimes
controversially debated, particularly amongst zoologists. Long time considered an …

Understanding host-parasite interactions requires that the multi-faceted relationships among
ecological, behavioral and molecular processes be characterized and integrated. The …

Throughout history humans have been fascinated with incest. Stories, fables, literature,
philosophers, church officials, and scientists have explored this mysterious topic. The taboo …

Domestic animals are ubiquitous. In contrast to the biodiversity crisis currently impacting
many kinds of animals and plants, not a single domesticated species is endangered …