Among the great family of European bats, Nathusius' pipistrelle is one the rare species capable of undertaking significant migrations. This journey of up to 2,000 kilometers begins in Northern Europe towards the end of summer and finishes at wintering sites in the west and south of the Old Continent.

During the long haul, Nathusius' pipistrelle completes a fascinating biological cycle, while contributing to maintaining the balance of the ecosystems that it crosses. This bat even hold the record for longest migratory route among all terrestrial European mammals. 

Vanessa cardui, better known as the Painted Lady, is a very common butterfly in Europe in spring and summer. Very common, yet exceptional! We lift the veil on the mysteries of this long-haul traveler. A butterfly that engages in one of the longest insect migrations ever recorded.