Uromastyx macfadyeniUromastyx macfadyeni, also known commonly as Macfadyen's mastigure, is a species of lizard in the family Agamidae. The species is endemic to Somalia.EtymologyThe specific name, macfadyeni, is in honor of British geologist William Archibald Macfadyen.HabitatThe preferred natural habitat of Uromastyx macfadyeni is stony shrubland, at altitudes of.BehaviorUromastyx macfadyeni is terrestrial and diurnal. It shelters beneath stones and in crevices of stones.