The term vixen can also be utilized to describe a woman. A woman that is either spiteful and shrewish, or one that is sexually attractive and 'popular with the gentleman'.
The word animal means either a member of the animal kingdom, and therefore includes humans, or it means an animal as opposed to a human, in which case it doesn't. So you have to decide which meaning...
They would only get a short amount of time amount in a shelter, depending on how much space the shelter has. If they are lucky, they'll get 7-10 days before euthanasia (putting them to 'sleep')....