Flamingos To The Finish Line

Consider adding a timer/scoreboard. All the flamingos are on the path, you could add some higher platforms or off-side paths so you have to go out of your way to gather them. It will help add some variation.

Add more colour. You could increase the intensity of the pink on the flamingos, add more plants, crabs maybe too? You could even add a few distant islands in background.

My only suggestion would be raise the camera height. The flamingo disappeared when i had the others following. On the plus side i think graphically its great