Every 20 years in Montana, more than a million bobcats, otters, wolverines, fishers, pine martens, otters, fox and other furry critters are exterminated from Montana's forests and streams. Collateral damage includes the endangered Canada lynx, eagles and bears -- not to mention all the dogs and cats unwittingly snared in traps. But a ballot initiative banning trapping on all public lands in Montana would change all that, if it passes in 2010. So it's not surprising that the state's trappers are working hard to defeat the initiative. They argue that that trappers are a lot like hunters and have a right to choose their method of killing wild animals. At least one hunting group, Montana Public Wildlife, Lands & Water, disagrees. Director Tim Border says many hunters consider trapping inconsistent with wildlife conservation. Many independent wildlife biologists agree that trapping threatens the survival of species such as wolverines, fishers,