The Winged Kappa, or Hane No Haeta Kappa, is a type of Kappa with Wings
They have a mixture of avian and chelonian features. They have a pointed beak like a bird, with the eyes and nostrils high up like a turtle. Their neck is long and flexible, and can stretch in and out. Their torso is shelled like a turtle, but with a chest like that of birds and other such animals. They have avian wings in place of arms, and their legs have taloned feet. Their tail is like that of birds. Their head, shell, wings, and tail are covered in something between fur and feathers, whereas the chest, belly, and legs are scaly. The neck is bare with ring-shaped ridges around
They are capable of flying, walking upright, or swimming through water
How could such a winged kappa fit together internally, to allow all of these features?