Photograph by Tim Laman
Blue-footed boobies are aptly named, and males take great pride in their fabulous feet. During mating rituals, male birds show off their feet to prospective mates with a high-stepping strut. The bluer the feet, the more attractive the mate.
These boobies live off the western coasts of Central and South America. The Galápagos Islands population includes about half of all breeding pairs of blue-footed boobies.
Read full here... http://animals.nationalgeographic.com/animals/birds/blue-footed-booby/