This is a realistic model of a raven for maya 2012 and up.
Model is textured, rigged and animated (flight cycle), materials are set up and ready for render with mental ray. Texture maps for diffuse, specular, displacement and alpha included.
Rig structure is clean and animator-friendly and anatomically correct.
Main attributes sit on a m_moveAll_CTR. You can show\hide feathers for interactive framerates. The wing shape depends on wing surfaces, modified by wing controls. On top of that each flight and cover feathers can be transformed. Please, take a quick look at the rig explanation video to get into it.