Estonia - 2025 Fauna - set of 2 (MNH)The European eel (Anguilla anguilla) is an extraordinary traveler, born in the Sargasso Sea and migrating thousands of kilometers to European waters. Historically valued in Estonia, this species now faces extinction. With its sleek body and nocturnal habits, the eel is a mysterious inhabitant of our waters. Celebrate the importance of this rare species with a special stamp and help raise awareness of the need for its protection! The cormorant