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NOTE: This section is
geared toward professional wildlife managers. It is not
intended for the general public.
Hundreds of black bears are killed every year in British
Columbia as nuisance animals, and increasingly the public
is asking for non-lethal methods from wildlife managers,
especially near resort communities and protected areas.
As a resort community and host of the 2010 Winter Olympic
Games, Whistler is under increased pressure from residents,
visitors and the general public to reduce the number of
bears killed annually due to conflicts with people. The
Resort Municipality of Whistler has adopted a number of
policies including changes to by-laws and garbage management,
in an effort to reduce human-bear conflicts, under the provincial
Bear Smart program. The Ministry of Environment sponsored
research into non-lethal bear management at Whistler, for
broad applicability across the province under the direction
of the Whistler Black Bear Working Group.
During our second year of research (2006), we captured
3 female and 7 male black bears with a conflict history,
or a suspected conflict history. We released bears at the
capture site if possible, and gave them a "hard release"
(with pain stimuli from beanbag rounds and rubber bullets)
if they had a known conflict history. If the capture site
was not suitable for release, we released bears within their
estimated home range.
We monitored bears from early April to early December by
using ground radio telemetry, and fitted four subadult males
with Lotek 4400S GPS collars. Two collars had hourly relocation
schedules, and two collars had 20 minute relocation schedules.
Additionally, we located collared bears 600 times and conducted
285 hazing and aversive conditioning events. Reports from
the Conservation Officer Service, the public, and our data
totalled 389 human-bear conflict incidents. We also describe
denning habitat, and approximate dates when bears entered
their dens for the winter.
Neither aversive conditioning nor hazing seemed to have
an affect on bears' conflict levels, although bears did
respond differently to pain stimuli from rubber bullets
than they did to human dominance techniques. We discuss
the potential reasons for this from a behavioural perspective
considering principles for effective punishment and theories
of how animals learn. In consideration of these theories
and our preliminary results, we describe a revised experimental
design for 2007.
Bear Aversion Research Team Goals and Objectives
Our 6-year research project will examine the efficacy of
non-lethal negative conditioning in a highly modified human-dominated
landscape. Ideally, non-lethal behavioural modification
techniques would be applied to prevent food-conditioning.
Bears approaching a relatively attractant-free urban area
or neighbourhood would be prevented from obtaining any food
rewards and would lose motivation to frequent developed
areas. However, the reality of many years of food conditioning
by resident animals becomes even more apparent as communities
throughout British Columbia progress towards becoming Bear
Smart. Some Whistler black bears already exhibit high levels
of food conditioning. Our research will cover the transition
period from somewhat restricted human food and garbage availability
to extensive attractant control. We do not yet know whether
non-lethal techniques can reverse the behaviour of conflict
bears with a variety of levels of food-conditioning as attractants
become limited. Previous work by others suggests this will
be difficult with food-conditioned bears (Hastings 1980,
McCarthy and Seavoy 1994, Morrison 2004, Greenleaf 2005),
or that results are short-lived (Beckman 2004, Leigh 2007).
While aversive conditioning may not reduce conflict behaviour,
we wonder if it can increase wariness and prevent conflict
behaviour in bears that are human-habituated.
Many Whistler black bears are highly human-habituated.
This habituation is perhaps in part from a combination of
commercial tourist activities in Whistler and on the surrounding
two mountains: activities such as bear viewing tours, ATVs
tours, guided hikes, and extensive mountain bike traffic
on Whistler. As an example, during an economic impact study
in 2006 from June 4 to Sept 17, counts of mountain bike
riders in Whistler were as follows: the Lost Lake trailhead
near the Village was the busiest spot with 15,315 riders
during the study period, followed by Rainbow Parking Lot
at the west end of town with 4,590. Comfortably Numb north
of town had 3,630 riders, while Function Junction at the
south end had 2,175. During the same period the Bike Park
reported 76,671 riders (Mountain Bike Touring Association
2007). We are interested in investigating whether bears
can be taught to avoid humans on a very site-specific basis,
particularly when natural forage is available and seasonally
attractive. There is some evidence that habituation in coastal
brown bears may be site-specific (Smith et al 2005).
Our project will refine existing information on movement
patterns, travel corridors and critical habitats to assist
the implementation of Whistler's Protected Area Network
(PAN), the Community Forest and other local initiatives.
We also believe that our work will support the objectives
of Whistler's 2020 Sustainability Plan and that it will
provide useful information for the community as it prepares
for the 2010 Winter Olympics. Ultimately, our project will
deliver operational guidelines on non-lethal management
of black bears for use in other Bear Smart communities in
British Columbia, and potentially elsewhere across North
America.
The ultimate goal of our research is to determine black
bear responses to non-lethal negative conditioning techniques
with specific objectives to:
- capture, radio-collar and monitor a representative sample
of black bears in the community and determine their patterns
of human interaction
- increase the understanding of links between food availability
(both natural and non-natural) and bear conflict behaviour
- document age- and sex-specific behavioural, physical and
reproductive responses to non-lethal aversive conditioning
applied in a range of urban to suburban situations on bears
with varying degrees of food-conditioning and human habituation
- determine how different external factors (e.g. amount
of rewards received) affect behavioural responses to non-lethal
aversive conditioning
- determine the operational feasibility of application of
a full suite of non-lethal tools, ranging from simple hazing
to full aversive conditioning
- experiment with new and innovative aversive/non-lethal
conditioning methodology
- contribute to the identification of practical thresholds
of attractant availability in urban and suburban settings
This report outlines the results from the Whistler Aversive
Conditioning and Monitoring program. Download
full report for 2006. Download
full report for 2005.
Download: Applications
of Aversive Conditioning to Black Bears in Conflict with
Humans - presented at the International Bear Association
Conference in Monterrey, Mexico, 2007.
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