12 November 2010 Last updated at 12:29

In pictures: Clash of titans

The UK's only two polar bears - Mercedes and Walker - are sharing the same enclosure at the Highland Wildlife Park at Kincraig for the first time

Park staff said the pair would have a "shouting match" before settling down

Male bear Walker, who is two years old, is chased by older female Mercedes

Mercedes, top, has been at the park since last October after being moved from Edinburgh Zoo

Walker was brought to Scotland from Rhenen Zoo in Holland. He is part of the park's future breeding plan

Highlands & Islands