Mission
The American Ornithological Society (AOS) is dedicated to advancing scientific knowledge and conservation of birds through a diverse, global network of empowered professionals. As the world's largest international ornithological society, AOS supports scientists working on critical issues regarding birds, humanity, and the planet.
Basic Information
Founded in
1883
EIN
72-6019246
Total Assets
$24.61 million
UN Sustainable Development Goals Supported
This organization contributes to the following United Nations Sustainable Development Goals. See the SDG page for more information.
At a Glance

Annual Meetings
AOS holds annual meetings to discuss the latest scientific discoveries and foster mentorship among professionals.

Research Grants
AOS provides research grants focused on the conservation and management of bird species.

Diversity and Inclusion Efforts
AOS is committed to improving diversity and inclusion within ornithology.
Upcoming Events
AOS 2024 Meeting
2024-10-01
The 142nd annual meeting will be held to share research and advances in ornithology.
Learn MoreImpact Reports
MIP Score (Beta)
The MIP Score is in beta! We'd love any feedback you may have.
The MIP Score and it's methodology is purely used as a way to visualize how a nonprofits public financial data compares against others. It doesn't reflect the unique circumstances and impact that a nonprofit has.The MIP Score should never be used to say one charity is better than another.
Overall Score
75
74
/100
Program Expense Ratio
77.80%
12
/20
Program Revenue Growth
364.23%
20
/20
Leverage Ratio
0.02259
20
/20
Working Capital Ratio
15.42
20
/20
Fundraising Efficiency
0
2
/20
Latest Filing Data: Form 990
Fiscal Year:2022
Source:Source: Self-reported by organization
Financial Details
Revenue
Category | Amount | Percentage |
---|---|---|
Contributions, Gifts, and Grants | 258.1K | 19.15% |
Program Services | 530.1K | 39.34% |
Investment Income | 397.9K | 29.53% |
Sales of Non-Inventory Assets | 41.37K | 3.07% |
Other Notable Sources | 0 | 0.00% |
Total Revenue | 1.347M | 100.00% |
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