This day was celebrated in the Second Saturdays of May and October.
The two days of this day serve as a means to reflect the cyclical nature of bird migration, as well as the varying peak migration periods in the northern and southern hemispheres.
This year the dates are May 11 and October 12, 2024.
It aims to highlights the need for international cooperation to conserve migratory birds.
Theme of 2024 is “Protect Insects, Protect Birds”.