A prisgeon generally resembles a small bird, like a pigeon. However, its wings are larger than would be expected and slightly membranous, and the creature's feathers have a distinctly scaly appearance. Their faces are flatter than most birds, and their eyes more forward-facing.
The most notable trait of the prisgeon, however, is their amazing chameleon-like abilities. A prisgeon can rapidly make each of its feathers into a different color, sending bright patterns rippling across its body. An individual prisgeon is startling and beautiful, but a flock of them works together to make huge, moving images.
Prisgeons were created from small, flocking birds as living, self-reproducing, aerial billboards. Aspects of bats, chameleons, and octopi were added in, plus light-producing modifications. The flocking behavior was modified so the birds instinctually know where to go and what colors to change.