Test Your Penguin Love

Fancy romantic walks on the beach? I'm pretty sure the penguin invented it, and there's nothing so heartwarming as watching a penguin couple waddle off into the sunset very much in love.  One of these couples, though, crashed the party. 

Can you spot the one that doesn't belong?

Couple 1
Couple 2

Couple 3

Couple 4
Couple 5
  
Couple 6
Find the answer here... 

(or scroll down... it's the next post)