The game worked for me on Firefox.
At first I was pretty confused since there was not description of how to play either here or the game page. I would make sure to add that either in game or with your submission for the future. Once I realized what was going on I found out that this is a Clicker Game. I liked that the birds changed forms after feeding it bread, I do wish I knew at what level the bird changed form so I knew what my objectives were.
I also was not exactly sure what the hand upgrade did. I think it increases your petting score but maybe it also makes you generate money passively? I also liked the music and how you could turn it on and off by clicking the radio, that was a nice touch.
I think overall this was a good entry into this game genre, and I think it should be easy to add on more features and improve the game. Good job!