Several LSs, MLSs of herd of wood buffaloes, of buffaloes racing across field. Shot of buffaloes mating. MSs of individual animals. HALS of single buffalo racing about corral. CU of tranquilizer gun needle in man's hand. Profile MS of park warden with tranquilizer gun, of man shooting. CU of rifle being fired, no recoil. MLS of groggy buffalo, of animal wallowing in mud, trying to get up. HALS of two men approaching groggy animal cautiously. MLSs, MSs of calves running about in wood. FOLLOW HAS of female buffalo in corral, of buffalo entering narrow pen, being immobilized. Shots of veterinarians giving pregnancy treatment.