Photo of grand prismatic spring by Gerald and Buff Corsi

Grand Prismatic Spring, Middle Geyser Basin, Yellowstone National Park (Gerald and Buff Corsi © California Academy of Sciences)


The Corsi Digital Library is the institutional home of the Academy's historic and naturalist photography collections. The Corsi Digital Lab is our onsite digitization laboratory, facilitating digitization of the Academy's historic photograph and text collections.

Through a partnership with the CalPhotos project, the Corsi Digital Library also has provided over 60,000 images of flora and fauna in the field. CalPhotos is an online image databases specializing in natural history subjects created by the Berkeley Natural History Museums.

To view only the images created by the California Academy of Sciences, select 'CalAcademy' from the 'Collections' field on the CalPhotos search pages.

Permission is granted to use Academy photos from CalPhotos for personal, academic, or non-profit us as long as:

For higher resolution images or commercial use please fill out this form: Please make sure to include the 16 digit ID number for the image.

* Please be aware that our images are only part of the larger CalPhotos image system. Various organizations and individuals have contributed photographs to CalPhotos and retain the copyright for those images. If you elect to use an image that is not from the California Academy of Sciences' collection, you must follow the individual usage guidelines found with that image.


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Academy Library and Archives
California Academy of Sciences
55 Music Concourse Drive
San Francisco, CA 94118