Or, perhaps, it's not a kind at all? A type maybe?
- Anybody can ask a question
- Anybody can answer
- The best answers are voted up and rise to the top
(Saying "type" in place of "kind" would work equally well in these examples.)
(Saying "a panda is kind of a bear" would be a colloquial way of saying that is in some way like a bear, but isn't one really.)