Pretty good
I was immediately surprised by the nice preloader. Although the birds are drawn pretty simple, it's still nice to have. Way better than you usually see.
The music was a nice choice. It's nice for a guide, which I think you kind of wanted to make. I'm surprised how you found it, since it isn't a very popular song.
The music stopped when you press the replay button though. A small thing you might want to get fixed.
The graphics aren't stunning or anything, but sufficient. At least there was some movement in each of the three scenes. It wasn't enough to keep me interested though.
The ideas of the scenes are nice. They are clear, and not unoriginal. Three scenes isn't a lot though. Some more scenes would make it better.
The only thing that disappointed me a bit was the ending. It was very short, and just a grey screen with some text.
Overall there are not things that are bad about this flash, but also it's not spectacular enough to stand out from the crowd. A bit slow, but still nicely drawn.
Review request club.