Conspicuous darkening on the face and the wings. This sbnormal colouration is due to an excess of menlanin

Adult swans often carry their chicks on theri back. Chicks get on borad by anchoring their head to the adult's body and use their legs to crawl up to a safe place

This Picazuro shows the precision and exactitude for a controlled landing. Vertical position with open wings and spread tail for braking. Forwardly extended legs for the final phase: impact against the branch.