These small, sparrow sized song birds travel in huge flocks across Rantis. They look plump and are usually seen sleeping during the day so those who know little about them label them as lazy, hence their name Saturdays.
Their coloring is a sleek pearly color that glimmers in the light. They like to roost in remote places and thick wood, so to see them is a given that you're lost. They do like to help those who are lost but they can only speak in riddles. What they do is flock at dawn in a rippling dance across the gray sky, twinkling like the stars fading with the sun's light. They chant their rhyme as one, a chorus of voices, not singing but speaking softly like a bubbling creek and then their voices escalating to a thunderous clapping of wings as the sky turns pink. Suddenly, the first rays of sunlight alight the sky with white brilliance. When the flash subsides, the birds are gone, having finished their role and now gone to look for a place to sleep till evening.
It is rumored that they glow.
*Looks for the conversation in the chat log*
They used to only speak Skrac until the valloian race surfaced from under the mountains from generations past. When the race took the Yewin jungles as part of their empire, the Saturdays took up the language of the earth and now speak them both as one. A REAL riddle. 
There not a huge attribute to the story so they don't need that much complexity. It's the riddles that are the most important factor.
I wanna meet a Saturday. What happens if you meet a Staurday on a Saturday, I wonder? 
I somehow missed that.
Uh...
Well it really worked out. It's an incredible idea.