out of my head. >> birding makes me feel more relaxed. i have difficulty calming down in the city. it's a nice way to spend an hour or two in silence. >> nature is essential to human health. cognitive benefits are seen. blood pressure improves and so does pulse. over the course of an hour to an hour and a half, if you are walking through a natural setting, symptoms of depression or anxiety improved. >> downey woodpecker. everyone see that? >> it's magical, you understand the viewpoint of nature and what the animals go through. there is one perched to the left there. >> focus on finding beauty in nature versus worrying about whatever terrible things are going on. >> getting away from the computer and knowing this next hour and a half, i'm going to stand here and look at these beautiful birds. >> you are always meeting new people. when you are birding, you notice