The fact that the barn owl is fully nocturnal — combined with the eerie sound of its shriek — has resulted in it being seen as an ill omen or a demonic creature throughout many cultures.
The primate known as the pygmy slow loris is both nocturnal and arboreal, and both are about finding the path of least resistance in terms of dealing with competition.
The Cairo spiny mouse can detect objects in the dark by using the hairs near its nose and mouth.
Raccoons have difficulty distinguishing colors and seeing objects at a distance, but their eyes have adapted a reflective coating that helps them see in the dark.
Black-footed ferrets use the tunnels made by prairie dogs to hunt their prey.