For centuries, Mount Pinatubo, a quiet volcano on Luzon, the most populous island in the Philippines, was an ecological Arcadia, a viridian mountain home to an abundance of fauna.... Almost 1, 000 feet was shorn off its summit, leaving behind a 1.5-mile hole and obliterating the surrounding forest. Ecologists suspected that the Pinatubo volcano mouse, thought to be found up there and nowhere else, went the way of the dodo.... But to everyone’s surprise, wildlife surveys revealed that this rode