Ornithology is a global discipline addressing all levels of biology in birds from ecosystems to molecules, linking basic and applied research, and nurturing education and outreach. The IOU seeks to support, promote, and advance avian biology.

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The 27th International Ornithological Congress was held in British Columbia, Canada, 19-26 August, 2018.

Conference Website

Benefits of Membership

Download our rack card to learn more about the benefits of membership in the International Ornithologists' Union

Pronounce Bird Names

Our new service for members provides sound files on how bird scientific names can be pronounced. Just type in the word, and listen to the voice of Dr. Ian Newton.

New Working Groups

The IOU launches its first four Working Groups.