Halfway down the east slope of the Andes in Ecuador, sightings of the luminous yellow beaks of the chestnut-mandibled toucan are abruptly replaced by the colorful beaks of the white-throated toucan.
Interspecific hybridization is a key process in plant evolution and breeding that can lead to phenotypic changes and the formation of new species. The merging of different genomes in a hybrid often ...