-- Mary Elizabeth Dallas
SUNDAY, May 29 (HealthDay News) -- Attacks by North American
black bears on humans are rare, but they appear to be rising as the
human population of the United States and Canada increases, new
The study, published recently in the
Journal of Wildlife Management, also dispels the myth that the most dangerous bears to encounter are mothers with cubs to protect. Researchers reveal that lone male black bears hunting people as a potential source of food are to blame for the growing number of deadly maulings.
Between 1900 and 2009, researchers found records of 63 deaths
from black bear attacks in Canada, Alaska and the lower 48
About 86 percent of fatal attacks occurred since 1960, and were
more likely to occur in Canada and Alaska, where people are more
likely to come into contact with bears.
The vast majority of the fatal attacks were predatory (88
percent), and 92 percent of those predatory bears were males.
The study also noted that by examining the nature of black bear
attacks, additional fatalities might be prevented. "With training,
people can learn to recognize the behavior of a bear that is
considering them as prey and deter an attack by taking aggressive
action such as fighting back," said Stephen Herrero, professor
emeritus at the University of Calgary in a news release.
Among the study's other findings, which may help prevent or
manage black bear attacks:
"We didn't demonstrate why population growth is correlated with more bear attacks but we suspect it is because there are more people pursuing recreational and commercial activities in black bear habitat," noted Herrero. "Similarly, we don't know exactly why there have been more attacks in Canada and Alaska, but we speculate that it could be because bears in those areas are living in less productive habitat with periodic food stress, which may predispose some bears to consider people as prey."
The U.S. National Parks Service has more
tips on how to deter black bear attacks.
Please be aware that this information is provided to supplement the care provided by your physician. It is neither intended nor implied to be a substitute for professional medical advice. CALL YOUR HEALTHCARE PROVIDER IMMEDIATELY IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with any questions you may have regarding a medical condition.
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