Gerrit Vyn / American Flamingos (Phoenicopterus ruber) perform elaborate marchlike courtship displays, Celestun Biosphere Reserve, Yucutan, Mexico. February.

Eric Baccega / Young woman from the Bodi tribe displaying elaborate scarification on the skin of her back, Omo Valley, Ethiopia, March 2015.

Eric Baccega / Toposa tribe man with elaborate facial skin scarifications, Omo Valley, Ethiopia, March 2015.

Andrew Parkinson / Gannet (Morus bassanus) breeding pair during part of their elaborate courtship ritual. Saltee Islands, Republic of Ireland, May.

Ben Hall / Great crested grebes (Podiceps cristatus) performing their elaborate courtship ritual at dawn, Cheshire, UK November

Ben Hall / Great crested grebes (Podiceps cristatus) performing courtship ritual at dawn, Cheshire, UK April

Andrew Parkinson / 2020VISION / Great crested grebe (Podiceps cristatus) pair of adults during part of their elaborate courtship ritual during the very last few rays of evening sunlight, Derbyshire, UK, March.

Andrew Parkinson / 2020VISION / Great crested grebe (Podiceps cristatus) pair of adults during part of their elaborate courtship ritual during the very last few rays of evening sunlight, Derbyshire, UK, March.

Andrew Parkinson / Great crested grebes (Podiceps cristatus) a pair of adults perform their elaborate courtship dance. Derbyshire, UK, March.

Andrew Parkinson / Pair of Great Crested Grebes (Podiceps cristatus) during their elaborate courtship dance. March. Derbyshire, UK, March (non-ex)

Andrew Parkinson / Great crested grebe (Podiceps cristatus) pair during their elaborate courtship dance in dawn mist, Derbyshire, UK, March

Andrew Parkinson / Great crested grebe (Podiceps cristatus) pair performing part of their elaborate courtship dance, Derbyshire, UK, February