No eyelides, they're always open. Mouth is just a proboscis hidden in his fur. Expression through fur and antenna and just all around body language.

makes this noise instead of speaking:

http://www.youtube.com/watch?v=2tBCAf\_72pY

http://www.youtube.com/watch?v=efyufhtO7VU

Pitch, frequency, and duration. Just think all english words translate to "Kiii".

He uses sign language and charades to speak. If reduced to it, he uses the closest form of writing he can.

He's sort of a sandbag or mime when it comes to communication or expression.

Tiny abdomen, functions where the tail would be. It waves when happy, stands up when excited to see somebody he likes, the feathers flare out and quiver when scared, etc. It's also where the his "kii" noises comes out.

Wings are solid, but are very fluffy so it breaks the outline. The only distinguishing factors are the two spots and the black lines on the outer most part.