Last week, two fierce growls shattered the quiet in Inverness’s Second Valley as Sabrina Pelayo was on her deck painting with her son Shaun. What they initially thought might be a couple of raccoons in an argument turned out to be something more dramatic: two mountain lions, locked in an apparent struggle, perched high in the trees. Suddenly, one of the lions fell from the tree, with the other swiftly descending in pursuit. They disappeared…