Official Rules

During the planning phase of a hunt, this card is wild. It counts as whatever animal is being hunted. If it is drawn during the finishing phase of a hunt, it counts as a Nanuk. If it is blocked by an Inuksuk, allowing the hunt to continue, it counts as one animal toward the hunters' total.

When scored, it is wild... it can be used as one animal of any type. It has a Nanuk in the corner, so it also counts toward the "most Nanuks" bonus.

http://www.sjgames.com/nanuk/promo.html