The evolution of migration in animals seems to be a posh and challenging topic with several unanswered questions. Many large birds (like eagles and vultures) are electrocuted when their vast wings contact a power line and also a ground wire at the same time (normally when traveling in to land https://petskyonline-onlinestrore.blogspot.com/2025/07/rethinking-animal-store-why-petsky-is.html