"When I reflect on so many profoundly marvelous things that persons have grasped, sought, and done, I recognize even more clearly that human intelligence is a work of God and one of the most excellent."
Flamingos are not pink. They are born grey, their diet of brine shrimp and blue green algae contains a natural pink dye called canthaxanthin that makes their feathers pink. Flamingos in zoos often lost their colouring, until zoo keepers supplemented their diets.