I saw these black swallowtails from about 50 yards away, chasing each other. Were they in a pre-mating display? I don’t know. Butterflies will chase after individuals of other species or a potential mate. Maybe it takes the chase for them to know the difference.
They started at ground level and soon ascended to the heavens, and out of range of my vision.
Butterflies can do that…
The roused bear 