[Lift her spirits up a little she guesses? She is still used to being around fellow birds.]

I can try to sing that loudly but it would be better if you stay put.

[Best fool proof plan ever!

And now she will shift into her heron form and grabs hold of the journal and takes off to find the lost one. But she will wait a few moments before going to sing to see if the other can hear her yet or not.]