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navigation  Grizzly bears expand habitat, cause debate  Listed
as threatened in the Northern Continental Divide Ecosystem in
1975, the grizzly bear population in Montana along the Rocky
Mountains has since grown from 200 to 900, and is increasing by
2 to 3 percent each year, according to the Bend Bulletin.  With
this growth comes new debate for how humans are allowed to treat
the bears. The U.S. Fish and Wildlife Service is currently
writing a plan to manage the bears if their threatened status is
lifted. Removing these Endangered Species Act regulations would
possibly allow the bear to be shot and killed by property
owners.  Currently, errant bears are removed from properties or
public spaces with tranquilizers, and wildlife managers will
haul killed livestock to distant mountains so bears will stay
away from ranches.  In Canadian national and provincial parks
that span the northernmost parts of the Rockies, 10 bears have
been killed or removed