The Birds' Kind of Winter?

Another thought that has come with the middle of winter here is how mild this one has been.  No scenes like this one!  There's not been a hint of snow, and only 17 nights back to early November have seen temperatures drop below freezing.  The birds have had a few iffy nights with low temperatures and sometimes wind, but 2012-13 has so far been a romp in the park.  Lots of food and ice-free water, enough cover to keep any wind out, and no frozen ground to speak of.  Personally, this kind of winter pleases me enormously: I did my time (23 years, please) in New England.  And if the weather makes the birds happy, so much the better.  It will be interesting to see if the pattern continues and if February upsets the apple cart.