Having Completed my Navi plush, I looked into modifying the head pattern for a bird. Pigeons are my favourite birds. I got quite stuck when I got to the body though, as I didn't pre-plan the body as I usually do with plushes and got stuck.
This particular plush has not been finished and never will be, but I shall try to make a pigeon plush again one day, when I've straightened out a pattern.
For images of my Navi plush, see these links
http://lateral-thinker.deviantart.com/art/Avatar-Na-vi-Plush-167550297 - image
http://lateral-thinker.deviantart.com/journal/The-Avatar-Na-Vi-Plush-225985120 - journal explaining personal project