Genomic differentiation in small- and large-beaked Nesospiza finches
It was in the early 1980s when Peter Ryan from the University of Cape Town started investigating ecological and conservational factors surrounding the endemic Nesospiza finches in the Tristan da Cunha archipelago, a curious case of resource-driven bird diversification in the Southern Atlantic. Ryan and others suggests for the radiation of Tristan finches to have happened around 400,000 years ago,