Brutal winter conditions this year devastated the bird population in the Midwest region. The Field Museum has collected roughly 60 specimens but many more have perished as a result of starvation from limited open water on Lake Michigan. We speak with Field Museum research assistant and ornithologist Josh Engel about the phenomenon. Read an article and view a slideshow.

This edition of Chicago Tonight's Field Trip is for the birds. We discover parasites that live on winged creatures and how studying them can help humans. Watch the web extra video and view a slideshow.

The Art of Migration, a new book by Peggy Macnamara, animates the journey birds and insects embark on during migration in her vibrant watercolor illustrations.