GSFC Perimeter road with an extra loop around the pond.
http://www.gmap-pedometer.com/?r=5578667Butterflies this run:
Tiger Swallowtail 4
Buckeye 1
Pearl Crescent 1
Tthe last few days have seen changes in what's on the wing. It's been doldrums. Now, Tigers are everywhere. Other blackish swallowtails are evident. Buckeyes are new. I've seen a Monarch, a summer Fritillary, and a mess of skippers that I can't identify.