Twelve-spotted skimmers ( Libellula pulchella) are common in southern Minnesota. Males have twelve brown spots in their wings, accounting for their designation. They are approximately 5 cm in length. They commonly perch, and are good subjects to photograph.

Twelve-spotted skimmer - male

Twelve-spotted skimmer - male
Drawing of a female Twelve-spotted Skimmer

Drawing of a female Twelve-spotted Skimmer