Linda From Maine wrote:
He likes having the buffet all to himself! Cool shot. We get to enjoy them year round, but Yakima winters are usually not terribly long or severe and the herons spend a lot of time finding rodents in fields, competing with the hawks for same.
Thank you Linda! My friend who lives there, said he did disappear for a few days when the lake froze over. He must of fed on rodents like you said during that time.