The extent and impact of global insect movements is hindered by tracking limitations. This study reveals a 4,200 km transatlantic journey by butterflies from West Africa to South America, lasting 5-8 days, highlighting the remarkable capacity of certain insects to disperse over vast distances.
“The overall journey, which was energetically feasible only if assisted by winds”
yeah you’re right
They make that journey not knowing the wind will help them. Even so, all that time without feeding.