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An Aerial Photographic Technique for Censusing Lesser Sandhill Cranes

R. Michael Leonard and Ernest B. Fish
Wildlife Society Bulletin (1973-2006)
Vol. 2, No. 4 (Winter, 1974), pp. 191-195
Published by: Wiley on behalf of the Wildlife Society
Stable URL: http://www.jstor.org/stable/3781226
Page Count: 5
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An Aerial Photographic Technique for Censusing Lesser Sandhill Cranes
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Abstract

An aerial photographic census technique was developed and tested as an alternative to current inventory procedures for the lesser sandhill crane (Grus canadensis canadensis). The equipment required (35mm camera, 125mm telephoto lens, K-12 filter, black and white infrared film, light fixed-wing aircraft) is accessible to wildlife managers at most locations; therefore, the method can be utilized with a minimum of expense and effort. Imagery obtained in this study indicated a marked improvement in census results over those obtained by current ground count methods.

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