5″ by 7″ folded, blank greeting card. The cards are offset printed, and an envelope is included.
A brief description of the bird and its territory is featured on the back of each card.
Paul Nelson designed a unique and specialized photography rig that allows him to capture the images safely and without any harm to the birds. He coordinates with Minnesota Nature Centers to set up and shoot during bird bandings: the process in which wild birds are given a small identification band to keep track of their movements and life history.
Ten percent of their net profits go to Audubon MN, for conservation efforts.