The evolution of migration in animals appears to be a fancy and complicated matter with several unanswered issues. Other species including merlin Falco columbarius and Eurasian skylark Alauda arvensis transfer further, into the coast or in direction of the south. Species such as chaffinch are significantly less migratory in Britain https://nimmansocial.com/story10353692/pet-shop-dubai-fundamentals-explained