Nate-Dog's face scrunched in longsuffering distress. His lip flattened and he raised his brows as if to say, Really?
Ko-Ga laughed gutturally at his own joke, feeling confident his flockmate would understand. As a younger bird just learning to mimic, he'd often got the two confused. But once he figured it out, he'd continued to mix them up on purpose for the sake of a more amusing reaction from Nate.
It was still funny.
But! It couldn't all be fun and games. Ko-Ga could be serious, when needed. He looked back at the raven,
Aaa aaa aaa!
I love IC spontaneity & drama! So if it's what your character would do, let 'em attempt it!
My characters are unreliable narrators.
Nate is a constant companion and will usually be close enough to appear in Ko-Ga's threads!

