World Migratory Bird Day 2025. At least 4,000 different species of birds migrate, which adds up to about 40% of the entire avian population. On the second annual commemoration of world migratory bird day 2024 on 12 october, the international campaign, organized by a network of global partners, calls for urgent.
Each year, world migratory bird day declares a different theme that brings light to the various issues inherent in the pursuit of the conservation of migratory birds. At least 4,000 different species of birds migrate, which adds up to about 40% of the entire avian population.