It's always good to see claymation on Newgrounds. In my opinion there isn't enough people trying to create using this medium. Possibly because they are put off by the amount of effort that it can take to produce something half decent. So, hats off for giving it a try.
Firstly, I think that more time could have been spent on creating the character. Maybe more then one colour would have been a nice and also little details such as markings on the wings (?), seeing as they didn't need to be moved in the clip making me feel that you could have taken the opportunity to make them look good without ruining them between frames.
The character movements are quite flowing and well done up until around 00:10 where I have no idea really what it is you are trying to get him to do. Is he meant to be covering his mouth, about to vomit? It looks like he's doing a little dance. It also would have been funnier to have him fall quicker at the end.
The only other thing that I picked up on was the lighting. Make sure in future you use fixed lighting like a lamp so that the light levels stay the same through out the clip no matter how long it takes to produce.
It's a hard medium to master and I know that you stated in the author comments that you made it to "test out a camera" but I think it's not a bad attempt for a first go.