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Biodiversity - the full array of biological species and ecosystems - is the Earth's most precious resource. The BioDiversity Institute is using the Internet to help concentrate humanity's knowledge of biodiversity, to put this knowledge into better order, and to make it more accessible to everyone.
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  • BDI's contributor community continues to grow! Over 180 photographers have contributed their work to the BDI Field Guide!
    Click here
    to find out how you can become one of our contributing photographers.

Field Guide to Birds
The BDI
Internet Field Guide to Birds

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BDI has developed its innovative search technology to help you easily identify the species you observe.



  
What does it do?
The Internet Field Guide is now up and running for all the birds of the continental U.S. and Canada.
More coming soon!
Contributors' Showcase

The BDI Field Guide is a community effort!
Become one of our contributing photographers.
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