What is a hybrid zone?

A hybrid zone is characterized as an area where two distinct species interbreed, allowing for the exchange of genetic material between them. This interbreeding can result in the formation of hybrid offspring that possess traits from both parent species. The presence of a hybrid zone often arises when two species have overlapping geographic ranges, and environmental or behavioral factors have prevented them from merging entirely into one species. The dynamics within a hybrid zone can vary: some hybrids may thrive, while others may face challenges in survival or reproduction.

The importance of hybrid zones lies in their capacity to provide insights into the processes of speciation and evolution. They can serve as natural laboratories for studying the genetic and ecological interactions between species, and the factors influencing the success or failure of hybridization.