Observes young golden-mantled ground squirrels, raised under controlled laboratory conditions, going into hibernation during autumn even though they have never been exposed to their natural environment or colder temperatures.
Encyclopedia Britannica, 331 N. LaSalle St., Chicago, IL 60610, Phone: (312)347-7159, Toll-free: 800-323-1229, Fax: (312)294-2104, URL: http://www.britannica.com
Available on VHS
Running time 14 minutes.
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