Posted by: Sandy Steinman | April 22, 2023

Global Big Day May 13, 2023 

from eBird

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 13 May, help celebrate World Migratory Bird Day, and share the birds you find with eBird.

Participating is easy—you can even be part of Global Big Day from home. If you can spare 5 or 10 minutes, report your bird observations to eBird online or with our free eBird Mobile app. If you have more time, submit several checklists of birds throughout the day. You never know what you might spot. Your observations help us better understand global bird populations through products like these animated abundance maps brought to you by eBird Science.

Read more and learn how to participate at Global Big Day—13 May 2023 – eBird


  1. I couldn’t agree more
    Great post! It’s amazing to see how technology and citizen science can help us better understand global bird populations. I’m excited to participate in Global Big Day on May 13th. I’m curious, what kind of trends have been observed in previous years’ Global Big Day data?


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