The hybrid ibex is a cross between a wild bezoar ibex and a domestic goat. The bezoar ibex is a popular trophy hunt target. The main range of this species in Iran closely overlaps with that of bezoar ibex. Serious side effects may include bezoar formation and encephalopathy. Prior to this they were known as "fossil fir cones" and "bezoar stones". He is thought to have made the earliest description of bezoar stones as medicinal items. Each is acted upon differently, but effectively, by bezoar stones. When all other measures have failed, surgical gastrectomy is required to evacuate the bezoar. In the reserve there are favorable habitats (biotopes) for bezoar goat. Buffy decides to kill the mother Bezoar. Buffy must contend with vampire cowboys the Gorch brothers and the bezoar, a prehistoric parasite. The seller said it was a bezoar stone, which turned out to be false. There are several varieties of bezoar, some of which have inorganic constituents and others organic. The heart surgery is cancelled and the bezoar is surgically removed.