World Migratory Bird Day (May)
World Migratory Bird Day is held twice a year, on the second Saturday of May and October, to raise awareness of migratory birds and their protection.
- UK
- USA
- Ireland (not marked)
- Canada (not marked)
- Australia (not marked)
- New Zealand (not marked)
- International
OrganiserUNEP, CMS and AEWA
ListingAdded by us from official sources
Last checked19 October 2026
First heldNot known
About the day
The campaign is run by the UN Convention on Migratory Species and partner treaties and organisations. The two dates reflect bird migration peaks in different parts of the world, and each year has a conservation theme.
2026 theme
Every Bird Counts: Your Observations Matter!
The 2027 theme has not been announced yet.
Dates for the next three years
| Year | Date | Where | Status |
|---|---|---|---|
| 2027 | Saturday 8 May 2027 | UK, USA, International | Set by a fixed rule |
| 2028 | Saturday 13 May 2028 | UK, USA, International | Set by a fixed rule |
| 2029 | Saturday 12 May 2029 | UK, USA, International | Set by a fixed rule |
Where this information comes from
Spotted a mistake? If you run this day, claim it to correct it.