Juvenile Hooded Mergansers
Out on a walk, I spotted a Great Egret in the river below the Brassworks dam. I hurried home and returned with a camera, but alas the egret was gone.
I looked for it in the pond above the dam and noticed two ducks that didn't seem to be the usual (Common) Mergansers or Mallards. As I photographed them, I realized they
were probably young Hooded Mergansers, judging by the early bulges on the back of their heads. Back home, an internet search confirmed this.
These two may well be offspring from the two adult Hooded Mergansers I photographed in the same place back in February (see below).
Click the picture above for more shots.