The story behind it
Flamingos are pink because of what they eat.
Young flamingos hatch grayish. Their color comes from food: beta-carotene and bacteria from the water. A pale flamingo is usually sick or underfed.
Quick & curious · Nature

Flamingos are pink because of what they eat.
Young flamingos hatch grayish. Their color comes from food: beta-carotene and bacteria from the water. A pale flamingo is usually sick or underfed.