Click on the image to enlarge it. Amazingly, she's holding a twig in her beak! And that's her eye twinkling through the gap in the twigs.

Earlier in the day I saw a pine sprig waving above the nest when there really wasn't any wind. Now I understand that she was trying out her beak even though I couldn't see her.

Why am I calling her "she"?

Because she looks like a "she". We'll see how that goes as time passes.