North American Butterfly Association
Hook Mt., Nyack
Rockland County, NY
Giant Swallowtail rare in county; the Question Marks, 2 of the Mourning Cloaks, and all of the Red Admirals and certainly all of the Monarchs appeared as migrants passing the mountain summit and moving steadily SW through the day, more so later in the day.
About the sightings pages
© 2020 North American Butterfly Association.