Yay, another color challenge complete. Before patch 5.1, my scorpion pets were color-changers, so I didn't feel the need to collect specific colors. Now that pets no longer swap colors when summoned, I've had to replace certain pets with the actual color that I need.
Left column, top to bottom: Durotar Scorpion, Leopard Scorpid, Scorpid
Right column, top to bottom: Scorpling, Stripe-Tailed Scorpid, Crunchy Scorpion