Here is an idea. My Chozo aren't hunched over, and are taller, and more majestic than the WoW model in the picture. In short, they are 6-8 foot tall humanoids, featured by body feathers, and an actual bird head. Their heads depend on their genetics, as the Admiral has the head of hawk, with traces of tropical bird plumage. Their arms are feathered as well, but their hands are much like bird feet, with the talons, and fingers. (standard number being like any normal human hand) Feet are like any normal bird. Very few tropical Chozo are known to exist now, with the birds of prey being the largest percentage of the Chozo populace. It was much like that in their old galaxy as well, but with a larger percentage of tropical birds than now.
Despite being birdlike, they have long lost the ability to fly, and thus do not have wings, and have a much denser bone mass. I am, however, still debating on the tailfeathers aspect. :/
With sharp minds, (bird of prey

) their race came to excell in weaponry and science, and it was with their predatory nature that they conquered, expanded, dominated. But how hard it was for them to flee, when the time came, from their own empire, to seek refuge in another galaxy. But even here, in their new home, with peaceful intentions, did they begin to grow in numbers, claiming worlds, expanding their empire, dominating those that would appose them. (Kraken excluded

) Two versions of the Chozo empire exist now, with the fate of one being uncertain. One, a ruthless empire bent on expansion, and from their corruption, dominance in a dead galaxy. The other, Black Sun, rules peacefully, treading carefully across worlds, as to inhabit those capable of sustaining life, and unclaimed by others. But, as peaceful as one may be, and no matter how far you are from your ancient home, there will always be a dark side... of war. >
:3