Still a Few Left
In the late autumn the tree was loaded with berries. Now, only a few remain. The birds have had their fill. Remember, that as winter goes on birds will find it harder to find food.
Be sure to put out a little extra for them. Including suet - which helps keep their body temps up. What to make your own suet? I have a recipe on my blog: http://www.nikkilynndesign.com/2016/12/make-suet-recipe.html/
I also have plenty of bird related recipes and information here: http://bit.ly/2yDDhit