Great set! Not sure on the chest though, it seems really big and clunky. There are a few birds without animations in-game already but they are much smaller and less noticeable. Yours will definately need some animations. I wanna point out that there are already a pegleg and hook in-game, but i suppose yours are different…
I'd look at the grass in Dota2 as an example, even if it's suppose to be simple, there needs to be enough contrast and details to make it interesting and read like grass.
Also you might want to include this link as something you can do with lightmaps http://media.steampowered.com/apps/dota2/workshop/Dota2CharacterTextureGuide.pdf
Could he be quitting to... JOIN THE STAFF OF POLYCOUNT!? let's get this rumor rolling: the next polycount competition is cliffyb themed items for dota2.