Good question, Tony (in San Francisco):
In 2021, World Bird Migration Day (WBMD) is celebrated on the second Saturday of May in Canada and the US (May 8th in 2021), and the second Saturday of October in Mexico, Central and South America, and the Caribbean (October 9th in 2021).
Tony: To learn more about WBMD and events happening near you (if any), go to:
You might also be interested in other info. related to this annual event, via:
Of course, you can submit your bird your bird migration observations on either date noted above
(i.e., spring migration day on 5/8/21 and 10/9/21 southbound/autumn migration (for the N. Hempisphere)) by going to:
Lastly, Tony, perhaps you'd like to create your own local WBMD event?
If so, register by going to:
Questions? Contact your local Audubon chapter....One good one for you, Tony, is to email:
Ilana at firstname.lastname@example.org.
She's a member of a local Audubon chapter involved in WBMD or she and her staff will know about it via:
Golden Gate Audubon Society
2530 San Pablo Avenue, Suite G
Berkeley, CA 94702