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1 March 2009 Ad Libitum Water Source for a Common Raven
Lawrence M. Hanks, James D. Barbour, Kim Kratz, William C. Webb
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Abstract

We report a Common Raven (Corvus corax) that learned to turn on a water faucet in a campground at Death Valley National Park, Inyo County, California, USA, and drink from it. Ad libitum availability of water has important implications for survival and reproductive success of desert birds. Ravens commonly exploit anthropogenic sources of water and food; these behaviors are of interest because ravens can be important predators of the federally-threatened desert tortoise (Gopherus agassizii). Our observation is further evidence of the resourcefulness of ravens and challenges involved in limiting access to anthropogenic resources for an intelligent, subsidized predator.

Lawrence M. Hanks, James D. Barbour, Kim Kratz, and William C. Webb "Ad Libitum Water Source for a Common Raven," The Wilson Journal of Ornithology 121(1), 210-212, (1 March 2009). https://doi.org/10.1676/08-004.1
Received: 14 January 2008; Accepted: 1 June 2008; Published: 1 March 2009
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