Wendigo
In Algonquian folklore, the wendigo () or windigo is a mythical man-eating monster or evil spirit native to the northern forests of the Atlantic Coast and Great Lakes Region of the United States and Canada. The wendigo may appear as a monster with some characteristics of a human or as a spirit who has possessed a human being and made them become monstrous. It is historically associated with murder, insatiable greed, and the cultural taboos against such behaviours.
The Wendigo (novella)
Simpson and Défago make camp, and it soon becomes clear that Défago senses – or at least thinks he senses – some strange and fearful odour on the wind. That night, Simpson wakes to find Défago cowering in terror from something outside the tent. Later Défago runs off into the night, forcing Simpson to go and look for him. He follows his footprints in the snow for many miles, realising that Défago's are not the only set of tracks. The larger set of footprints are not human, and gradually it seems that Défago's own tracks have metamorphosed into smaller versions of the larger set. Eventually, both sets of tracks vanish, and Simpson believes he hears Défago's distant voice calling out from somewhere in the sky above: