 However, as adults sex-reversed ZZ females lack the larger head and greater bite force of ZZ males and more closely resemble ZW females.Several of the "Pogona" genus are bred in captivity as pets; the two most popular are this species, "P. vitticeps", and the western bearded dragon ("Pogona minor minor").The bulk of captive-bred bearded dragons today are thought to have originated from stock illegally exported from Australia during the 1970s.