Interesting article today about new research on chickadee alarm calls, which apparently vary depending on the size and type of predator. "'Certainly, what we're seeing is one of the most sophisticated alarm call systems that's been discovered,' said Christopher Templeton, a University of Washington graduate student who completed the research for his masters thesis at the University of Montana." http://www.newsday.com/news/health/ny-hsfoes244317120jun24,0,405788.story?co ll=ny-health-headlines Miriam Lawrence Monkton