Hi,
First would like to see rigged model file you have. Will attach the bird wings exactly as you need and make it perfectly accurate. Contact me please will start the work right away.
Portfolio. https://www.freelancer.com/u/inderar88
Programs:-3ds max,Maya,z-brush,Auto-cad, Revit,Photoshop, Solidworks & vray.
I am looking forward hearing back from you.
Thank you