Well! The bird jerks its head back, tilts it at him with an outraged squawk.

"Insolence! Mortal impudence! No crow would stoop so low!" The bird sets to preening his ruffled feathers, declaiming loftily as he does. "Know that you address one of the Blackfeather Court, featherless, kin to the Mistress of Shadows! You would be wise to guard your tongue!"

Yes. This will definitely put the mortal in his place.