Blue-footed boobies are incredibly adorable birds. Yellow eyes, pure white belly, irridescent brown wings, long silver beak, and bright blue feet. They look like funny birds jumping out from cartoons. And we, can’t keep our eyes off these striking creatures.

Are you curious about their blue feet? They are caused by carotenoids, the pigments found in the fish they eat. Studies have shown that the foot color of the chicks how they are raised by their parents. If they are well fed and cared for, their feet will be a more intense color of blue. They grow faster and stronger.