I pulled over at the Loma bridge fishing access site just outside of the UMBNM north of Fort Benton MT on Sunday afternoon around 4:30PM to photograph the cliff swallows tending thier nests. What I found was an enormous Bull Snake fishing for cliff swallows from 30 feet above the racing Missouri River. I observed it for more than two hours slink in and out of about five nests consuming the chicks. Bulge after bulge running down it's body. You have to admire his daringness. Then snap, he grabed one of the adult swallows who had dared to swoop by to pester his dining. When it had had its fill it kicked itself free and dropped into the rushing river. It was a truley incredible behavior to observe and a magnificent specimen.