Jaguar, Closer Than Ever Thought Possible In an effort of accomplishing a childhood dream a former race car driver and nature lover, Mario Haberfeld, spearheads of one of the biggest and boldest environmental conservation projects in Brazil: Project Oncafari. This documentary closely follows Haberfeld and his team on the challenges they face in order to habituate Jaguars, the largest cat in the Americas, to the presence of man.