A Tale of Falling Feathers

Sweet feathered child,
On night winds she soars,
By your moonlit bedside she lands,
And while you rest,
By sweet words and quick motions,
A promise of knowledge, power,
Some forgotten shadowy arcanes,
She recites to you,
Till your mind's feathers fall,
And forever grounded it remains,
Never to soar again

You would likely be able to listen to this lullaby, or one of its variant, by the side of many young Aarakocras and some rare elven youngs, but the ones who probably hear it the most often are Avariels, already a foot in two worlds, many parents worry their child might be more easily tempted to cross into another altogether.

The Shadow Lady

It is with this lullaby that most children in Aeria are introduced to the concept of the Raven Queen, the Shadow Lady, the Mistress of the Night. For good or ill, children in Aeria are taught young to beware of her dark offers, and that fear of the Raven Queen is probably at the heart of much, if not all, the mistrust society has imposed on Scavenger Aarakocras. Although not as much a traditional lullaby in other races' history, the tale is not unheard of within their people either, with how widespread the economic and social influence of Aarakocras has spread in Aeria.
Beyond that, however, the text is meant as a warning against the very reeal threats of entering a bargain with an entity you know nothing about, and the dealings with the Shadowfell are the perfect example of that. This link between both the bird namesake of the Lady and the ties eleven history has with her domain is also at fault for the particular exposition to the tale Avariels face.