Hi Sarah,
When we had a bluebird family two years ago in the fall, the parents fed
their babies suet. I would thunk that will help if you put plenty of suet
around where they go.
brennan michaels

On Tue, Nov 26, 2019 at 9:00 AM Sarah Fellows <[log in to unmask]> wrote:

> Our bluebird family of five is sticking it out here through thick and
> thin. EVen coming to the feeders. They spend a lot of time hanging out by
> the boxes and going in and out of them ,as a group. Three still do not have
> adult plumage, and they all seem to be getting along. What have they been
> eating? SNow is mostly gone now, and a few moths are flying, but five
> hungry birds must be working hard to keep it together!
>
> Sally Fellows
> Williston, Vermont