That certainly looks like some species of willow to me. There are over 100 species of willows (Salix spp.) native to North America (quite a few in New England, too), and they are difficult to identify to species. But cows don't care which one they are, they just eat'em all!
"In a fruit forest everyone is happy"- Sepp Holzer
We've gotta get close enough to that helmet to pull the choke on it's engine and flood his mind! Or, we could just read this tiny ad: