At the center of the new findings is an evolutionary concept called sympatric speciation, the possibility “for a species to split into two species without any geographic separation,” Schultz says.

fortis and G. conirostris A population of finches on the Galapagos has been discovered in the process of becoming a new species. This is the first example of speciation that scientists have been ...

For over a century, speciation -- where one species splits into two -- has been a central focus of evolutionary research. But a new study almost 20 years in the making suggests "speciation ...