Wings of Winter - Something's Amiss! - 500 Piece

Here's the Twist:
The puzzle ON the box is more than a bit different from the puzzle IN the box!  What happened here?

This regal collection of birds, as they shelter from the winter snow is the backdrop for our next PuzzleTwist® adventure. Enchanting changes to the artwork on the box will bring a smile to your face, and keep you searching until you identify all the hidden secrets in this winter scene.