The pileated woodpecker has a long chisel-like beak and red crest that swoops off the back of its head and is about the size of a crow. It can be found in Iowa at
Iowa's Native Base-Jumper: The Southern Flying Squirrel
Iowa’s native base-jumper, the southern flying squirrel (Glaucomys volans), is easily identifiable because of the wing-like membrane (patagium) that stretches between the wrists of the front legs to the ankles of the back legs. This membrane looks like the wingsuit base-jumpers use when gliding through the air. The southern flying squirrel doesn't actually fly. However, it can glide over 250 feet in one leap!