How big of a group have you seen? I'm wondering if in large enough numbers, they take on a swarm type of behavior, sticking closely together.
As I've said and seen from the two of mine, it's more rare to seem them sticking together peacefully, than fighting or keeping to themselves.
As I've said and seen from the two of mine, it's more rare to seem them sticking together peacefully, than fighting or keeping to themselves.