Thousands of migrating snow geese died after landing in contaminated pit mine waters in Montana. Officials estimate that as many as 25,000 birds landed in the Berkeley Pit last week, and since then have been seen dropping dead in the area.
Thousands of migrating snow geese died after landing in contaminated pit mine waters in Montana. Officials estimate that as many as 25,000 birds landed in the Berkeley Pit last week, and since then have been seen dropping dead in the area.