Tim Shields
Acting
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...
Acting
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...
