September 6, 2006
Bozeman, Montana - Mark Haroldson, Wildlife Biologist
for the Interagency Grizzly Bear Study Team at the USGS Northern
Rocky Mountain Science Center reports that whitebark pine cone
production was good this fall, averaging 34 cones per tree on 19
transects that the Study Team and cooperators monitor annually
throughout the Greater Yellowstone Ecosystem.
The seeds of whitebark pine are high in fat content, and are an
important fall food as bears prepare for winter hibernation. Bears
obtain cones by raiding caches, called "middens", made by red
squirrels. Near exclusive fall use of whitebark pine seed as food
by grizzly bears occurs during years in which mean cone production
exceeds 20 cones per tree. The good cone production this year
means that hunters and other outdoor recreationists should be
aware that bears will be searching for middens in mid- to
high-elevation conifer stands that contain whitebark pine.
Hunters should not get so focused on pursuit of game that they
miss noting obvious signs of recent bear activity. According to
Chuck Schwartz, who heads up the Interagency Grizzly Bear Study
Team, "I strongly encourage hunters to carry bear spray."
Successful hunters are also urged to pack their big game carcass
out as soon as possible after the kill. If hunters must leave all
or some of the meat, they should separate the meat from the gut
pile and hang it in a tree, at least 10 feet high and 4 feet from
the trunk. "It's especially important if hunters must leave a
carcass in the field overnight that they be especially aware of
their surroundings as a bear might have claimed the carcass in
their absence." says Schwartz..
These actions can help reduce human-bear conflicts that result in
bear mortality, and sometimes human injury. As always, hunters and
other recreationists should comply with food storage regulations
in camps, and leave a clean camp when they vacate a site. Be
courteous; don't create a problem for the next user by leaving
unburned garbage in the fire ring or extra horse cake on the
ground. Bears will find these leavings and use them, and may
become conditioned to the site.
Haroldson reports that as of September 1, 2006, 8 human-caused
grizzly bear mortalities have been documented in the Greater
Yellowstone Ecosystem. These losses resulted from 2 road kills, 1
mistaken identity kill, 1 management removal, and 4 that are under
investigation. Six of the documented mortalities to date were male
bears; 2 were females. In addition, a skull was found from a bear
that likely died during the fall of 2003. Cause of death could not
be determined.
Preliminary numbers this year indicate at least 46 unique females
with cubs of the year. Haroldson stated "this year's high count of
females was expected after last years lower than normal count of
31. This was likely due to more females available for breeding
during 2005 and a relatively good pine nut crop that fall."
Haroldson went on to say that "overall, in addition to whitebark
pine, we have had a good food year with abundant biscuit root,
yampa, clover, and berries, plus very few bear-human conflicts."
Biologists and managers from the agencies responsible for the
recovery of the grizzly bear in the Yellowstone Ecosystem will be
holding their semiannual meeting in Jackson, Wyoming at the Snow
King Resort starting at 1:00 PM on October 11 and 8:00 AM on
October 12. Public comment is scheduled into the agenda for the
meeting. For more information about the meeting contact Kari
Janikula with the Montana Fish, Wildlife, & Parks Department at
406-994-4083.
|