The start of an elaborate black-browed albatross courting ritual. Albatrosses are the most marine of all birds. Their true home is any ocean in the Southern hemisphere. The only time they return to land is to breed. They mate for life and when on land, as above, often renew their bonds.
The black-browed's are long-lived (up to 70 years) and, as albatrosses go, medium-sized (7 ft wingspan). Once fledged, they'll stay at sea for 2-3 years and then return to the breeding colony to "practice". They won't actually produce young for another 7 years.