Pearl crescent butterflies, bobolinks, and rough-legged hawks frequent Marshfield's deserted pastureland. Here's three close-up photos of them.

pearl crescent butterfly (Phyciodes thoros)

bobolink (Dolichonyx oryzivorus)

rough-legged hawk (Buteo lagopus)

(I found these pictures on the Internet; they're used here with no authorization whatsoever, unlike my Marshfield photo essay pictures, which I took myself and which you can return to here.)