Several migration routes of extensive-distance migratory birds are circuitous resulting from evolutionary heritage: the breeding number of Northern wheatears Oenanthe oenanthe has expanded to cover all the Northern Hemisphere, but the species continue to migrates around 14,500 km to reach ancestral wintering grounds in sub-Saharan Africa instead of build new https://petskyonline-onlinestrore.blogspot.com/2025/07/rethinking-animal-store-why-petsky-is.html