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Wherever you are in the world this Saturday, May 8th, we hope you will join us, to mark World Migratory Bird Day and celebrate the ever-inspiring miracle of migration, by doing something amazing and valuable.

Sadly, throughout the world, migratory birds not only face the perilous challenge of the lengthy, energy-sapping journeys they take to and from their breeding grounds but also encounter the human menace of illegal hunting and trapping along their flyways.

To help tackle this, BirdLife International has joined forces with Global Birding, eBird and Swarovski Optik, to encourage participation in the world's largest citizen science event - Global Big Day - powered by the Cornell Lab of Ornithology's eBird citizen science programme.

We urge you to celebrate migratory birds on World Migratory Bird Day by taking part in Global Big Day, reporting the birds you see on 8th May, and entering or joining a team that will also help raise vital funds for BirdLife's work tackling the illegal killing of birds.