Ha ha ha, holy shit that is awesome, especially the unamused look on the choco- uh, I mean war chicken's face. The size difference makes the little guy on its back so much cuter as well. As always wonderful work.
CHICKEN!!!...*ahem* Sorry about that, I could not resist. Unfortunately, though the "chicken" may be prepared for war, I doubt its rider will be striking down any enemies from atop his post with a sword of that length...unless the enemy is really, really tall.
In all seriousness, I do like the picture; the noble steed's tail plumage is especially pleasing to the eye, and its sharp, deadly talons add to its battle-ready appearance. I would think that the creature would have wings (as it does appear to be some form of avian), but I cannot see them. In any case, this is a fun, creative picture, and I certainly enjoy it.
Chocobo- "Redwall"-style! --- "Quick, press down on the medulla oblongata! Five bucks says he smells burnt toast!"- Sam ("The Adventures of Sam & Max: Freelance Police", Ep.5- "They Came From Down There")