Selkies are were-seals, capable of changing shape between human and seal. According to traditional myths, they must use a seal-skin to change shape, but this is usually ignored in game settings. In many games, they are considered lycanthropes.
Selkies tend to be graceful
"I love to see the innocence in their childish play. I fear that is just one of the many things we will lose in this war." - Niobe