A new study almost 20 years in the making provides some of the strongest evidence yet of the ‘speciation reversal’ phenomenon — where two distinct lineages hybridize and eventually merge into one — in two lineages of common ravens.
A new study almost 20 years in the making provides some of the strongest evidence yet of the ‘speciation reversal’ phenomenon — where two distinct lineages hybridize and eventually merge into one — in two lineages of common ravens.