MTPR

bird migration

Berkeley Pit bird cannon, Butte, MT
Mark Thompson/Montana Resources

The people who manage the Berkeley Pit want to use lasers and cannons to try to save lives of migratory birds. Thousands of geese were killed last fall in the poisonous water of Butte’s Berkeley Pit. It was an environmental catastrophe that Mark Thompson hopes is never repeated.

Bird Migration

Mar 14, 2014
Andreas Trepte

3/16/14  &  3/17/14: This week on "Fieldnotes:" "Bird Migration, Part 2," by Andrea and Don Stierle.