Operation grizzly bear

Operation grizzly bear1989
About this book
Describes the thirteen-year-study of grizzly bears done by John and Frank Craighead in Yellowstone National Park, in which their use of the radio-tracking collar and other innovations added to the scope of human knowledge about the grizzly.
Details
- First published
- 1989
- OL Work ID
- OL1924392W
Subjects
BearsMammalsZoologistsJuvenile literatureGrizzly bearBiographyGrizzly bearsBears, juvenile literature