The worst time of the year to be a...

A few days ago Frederick and I (his mother) went to For Mar together. We hadn't been there in probably a year or so. So Frederick felt the need to give me The Grand Tour--that means looping arounda and round so that you see every single inch of the place. Since F's pace is more than twice mine, I found it exhausting. On the way out, we saw a flock of these beasties at the side of the road: