Global Big Day – 10 May

April 26th, 2025

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Be a part of birding’s biggest team! Global Big Day is an annual celebration of the birds around you. No matter where you are, join us virtually on 10 May, help celebrate World Migratory Bird Day, and share the birds you find with eBird.

Last year, Global Big Day collected more data about birds on a single day than ever before. More than 63,000 people gathered observations on 156,000 checklists, setting new world records for a single day of birding. Read more

Have fun, enjoy the birds you find, and share your sightings on eBird. Because in our world, every bird counts!