Birdie Buddies: 500 Piece Puzzle

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

About the Artist:
Heather Boschke, Minnesota artist and author, illustrates her birds with pen and marker. Her favorite part is giving them names! Inspired by her grandfather's nickname, "Heather Feather," these delightful birds are now featured in her children's book series, Little Birdie Buddies. Keep a close eye out, as her feathered friends might surprise you as you piece this one together!