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Date Taken:

January 3, 2006

Photograph By:

Emily Stone, NSF

License Type:

Public Domain

Penguin researcher David Ainley examines the equipment used to weigh penguins as they go to and from their nests. The birds are weighed on a scale each time they enter or leave their nest area, and the information is stored on a computer in the tent. Ainley has been studying Adélie penguin ecology in the Ross Sea area since the mid-1990s. For more information visit: www.penguinscience.com.

Associated Keywords

Animals, Biology, Birds, Island, NSF, Penguin, Public Domain, Rookery, Ross Island, Royds

By downloading this image, you agree to be bound by the terms and conditions of the image license.

This photo is in the public domain.

Photos whose copyright has expired or were taken by government employees as part of their job duties are considered to be in the public domain. Public domain works are not subject to copyright laws. Anyone may download these photos and use them freely, even for commercial purposes.

Attribution is not legally required for public domain photos but is strongly recommended.

This photo is covered by a Creative Commons license. Please see the Usage and Submissions page for more information. Use of this photo requires the following:

(1.) The user must give appropriate credit to the photographer and the National Science Foundation (NSF) and provide a link to the Creative Commons license. (2.) Use of the photo must be for non-commercial purposes only. (3.) No derivative works may be made with the original photo without the explicit permission of the photographer.

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