The mysterious illness killing thousands of songbirds

There is a mysterious illness that's caused the deaths of thousands of songbirds in several states including Pennsylvania. And so far, biologists haven't been able to figure out why they're dying. So what do we know so far? And what should you do if you find one of the dead songbirds in your yard? Dr. Gregory George, Professor of Biology and Department Chair at Delaware Valley University is on the podcast to break down everything we know about the illness and why the birds are dying and what you can do to help researchers figure out what's going on.