Her tail REALLY looks like a snake to me O.o the fur on it is shaped in an almost scale like fashion and the tip just is snake-head shaped and there is even that slit which could be a closed eye... wait it has an eye brow ridge... is it a snake?!
[source](http://www.pixiv.net/member_illust.php?mode=medium&illust_id=52641349)
[source](http://www.pixiv.net/member_illust.php?mode=medium&illust_id=52641349)