
I found out that these ducks were hooded mergansers. They migrate north. I hope they stick around for a few more days so I can get closer next time. From across the pond these ducks are beautiful. (80-400 Nikon VR lens at 400... D200 10mp.)
(From dictionary.com)
mer·gan·ser/mərˈgæn
sər/ Pronunciation Key - Show Spelled Pronunciat[mer-gan-ser]
any of several fish-eating diving ducks of the subfamily Merginae, having a narrow bill hooked at the tip and serrated at the edges.