Tim Shields Movie Wallpapers

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Desert biologist Tim Shields has 45+ years experience in the field, logging some 30,000 miles on foot, surveying and making observations. His observations of avian predation on desert tortoises led to the founding Hardshell Labs, Inc. in 2014. Tim authored, co-authored and illustrated numerous scientific papers, and is widely recognized among U.S. conservationists as a subject matter expert in th…