"Like many seafaring mammals, mermaids tend to swim in pods, but it is not unusual to see them alone for extended periods of time. Although they always return to the nest when injured, after feeding, and to raise their young, mermaids tend to be very insular creatures, and enjoy time apart from their sisters."
"Though resistant to many elements, most werewolves have a weakness for silver, and in some cases ash (from the tree, not the fireplace). Generally speaking a kill-shot with a silver bullet, stake, or other weapon is enough to put down a werewolf; however, it should be noted that there is a human inside the creature. Therefore, disabling the beast (consider silver chains or a silver cage) is more beneficial--from a rehabilitation standpoint--than executing the individual."