A recent study unveils the extraordinary 26-million-year global journey of seemingly ordinary grass-yellow butterflies, known as ‘Eurema.’ These delicate tropical fliers, with their lemon-hued wings, have circumnavigated the world without modern technology or even a fixed body plan. Biologists have pieced together this incredible story, highlighting the remarkable resilience and adaptability of these often-overlooked creatures. They flutter past us with the quiet confidence of global citizens, their lemon-hued wings whispering tales of journeys longer than human history. An international team of biologists has revealed that these tropical fliers originated in the Americas, not Asia or Africa, 26 million years ago. Islands played a vital role as
