The Big Hole River in Montana is the southernmost stream which is populated by grayling in North America. The effects of global warming have affected the viability of grayling in the Big Hole.[1] Other streams on the western United States may also be affected.
Notes[]
- ↑ "As Fight for Water Heats Up, Prized Fish Suffer" article by Jim Robbins in The New York Times April 1, 2008