They did mention in the Hunter Feedback thread that they plan to add options for the Eagle’s appearance.
Room to Grow
This next step for Marksmanship is, ideally, the first of many. We are interested in continuing to flesh out Marksmanship’s Eagle as a true pet and partner for you on your journeys with unique interactions, effects, and even appearances in the future, but we don’t have specifics to share yet. We’d love to hear your thoughts!
As long as I can change the Eagle to be like a bat or raven for a Dark Raven theme, or a pterrodax for a Zandalari, I’m good with this pseudo-pet.