30 May 2025
Last day to submit request for Travel Visa Letter of Invitation.
30 June 2025
AOS 2025 Early-bird registration rates end.
1 July–31 July 2025
AOS 2025 Regular registration rates apply.
1 August–15 August 2025
AOS 2025 Late registration rates apply.
11–15 August 2025
American Ornithological Society (AOS) annual meeting. This will be the 143rd annual meeting of the AOS.
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