I went to Vermont to photograph scientists who study migratory birds. These magnificent birds fly from Canada to Puerto Rico without stopping. The scientists set up nets; capture, examine and band the birds; and then write down all of the details about each one. Here are some of my favorite images from that experience.
Here is the article in the Washington Post: For blackpoll warblers, migration is a very long haul. The birds fly 2,100 miles without stopping.