MDI Week: Free Zoom Talk for Science Cafe
Red-shoulder Hawk Update

MDI Monday Morning Mysteries

Saw these two nature mysteries on an Acadia Birding Festival walk at Sieur de Monts in Acadia National Park on Mount Desert Island.

Doug Hitchcox of Maine Audubon led the walk, and I served as his batboy.

The mysteries: What's the story with these two photos?