World [International] Migratory Bird Day is the second Saturday in May
May 9 @ 12:00 am - 11:59 pm
World [International] Migratory Bird Day is the second Saturday in May.
World Migratory Bird Day is officially celebrated on the second Saturday of May in Canada and the US, and the second Saturday of October in Mexico, Central and South America, and the Caribbean.
In 2026, WMBD conservation theme highlights the importance of community science (also known as citizen science) to migratory bird conservation.