Summary In Wyoming's Yellowstone National Park, cameras visit Frank and John Craighead, pioneers in grizzly-bear research. Films show how the bears are captured with tranquilizer darts, studied, tagged and fitted with tiny tracking transmitters.
Directed : Unknown
Written : Unknown
Stars : Leslie Nielsen Joseph Campanella Alexander Scourby Richard Kiley
Genres : History Documentary
Release date : Oct 31, 1967
Countries of origin : United States
Language : English
Production companies : David L. Wolper Productions Metromedia Productions National Geographic Society
Summary In Wyoming's Yellowstone National Park, cameras visit Frank and John Craighead, pioneers in grizzly-bear research. Films show how the bears are captured with tranquilizer darts, studied, tagged and fitted with tiny tracking transmitters.
Genres : History Documentary
Release date : Oct 31, 1967
Countries of origin : United States
Language : English
Production companies : David L. Wolper Productions Metromedia Productions National Geographic Society