Research funded by Born Free in Churchill, Canada has shown that tourist activity can adversely affect polar bear behaviour. Specialised vehicles take people to watch polar bears during October and November in Manitoba, Canada, when the animals should be resting and waiting for Hudson Bay to freeze over to start hunting seals. The study, published in Biological Conservation, showed that male bear vigilance increased when vehicles were around. It is hoped the study will be used to help create suitable tourist guidelines.
http://www.bornfree.org.uk/campaigns/bears/animals/tourists-polar-bears/
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