Some ideas/examples:
- Shifting her head as already stated;
- Wearing a hood despite the environment being already warm and dark;
- Sitting among bags or sacks or otherwise obstacles that would help hide the tail;
- Being reluctant to meet new people for the *first* time, but being significantly calmer around strangers that haven't been found dangerous over the course of mere hours to a day;
- Preference for written communication, despite literacy narrowing down the possible circle of acquaintances.