Puffin die-off on St. Paul Island may point to larger ecosystem problems

St. Paul residents have seen 300 puffin carcasses wash ashore since mid-October. Scientists say seabirds are good indicators of overall ecosystem health, which means the die-off could be a sign of trouble for all sorts of species. (Photo by COASST Island Sentinels)In the past two months, 300 dead puffins have washed up on St. Paul Island, alarming residents who had only seen six carcasses over the last decade.
The die-off appears to be slowing down now, but scientists say it could be the sign of