In which Hank talks about butterflies, which were hatching like crazy in the Bitterroot valley this weekend.
So yeah, it was really amazing. They were constantly landing on us. They were all the way from the treetops to the path in front of us. Hundreds of thousands of Western Whites. This isn't a particularly unusual event, but we totally lucked into it. It wasn't intentional or anything.
We also saw mourning cloaks and swallowtails and the really tame one that I got those RIDICULOUS close-ups of was a mystery to me so I asked twitter, and the consensus is "probably an eastern comma" but anglewings all look very similar, so we're not sure. We'd need to look at it's genitalia, probably.