Stefan Christmann / Emperor penguin (Aptenodytes forsteri) group sliding across sea ice to form breeding colony. Atka Bay, Antarctica. April 2017.

Stefan Christmann / Emperor penguin (Aptenodytes forsteri) group clambering up slope during journey to bring back food for young. Atka Bay, Antarctica. September.

Stefan Christmann / Emperor penguin (Aptenodytes forsteri) group in procession across ice shelf to provide food for young. Atka Bay, Antarctica. September 2017.

Eric Baccega / African elephant (Loxodonta africana) herd with calves, walking in procession to a waterhole in sand storm, Etosha National Park, Namibia, Africa

Eric Baccega / Salt caravans made up of hundreds of Dromedary camels (Camelus dromedarius) and their pullers transporting salt slabs cut from Lake Assale to the Mekele Market, Danakil depression, Afar region, Ethiop...

Laurent Geslin / Worshippers in the christian procession of the Timkat (Epiphany), Addis Abbaba, Ethiopia, 2006

Laurent Geslin / Women dressed in white during the St Marie celebration procession in the street of Gondhar, North Ethiopia, 2006

Ben Cranke / African elephant (Loxodonta africana) herd walking in procession, Kaokoveld Desert, Namibia

Andrew Parkinson / Mallard (Anas platyrhynchos) line of ducklings follow their mother through early morning mist, Derbyshire, UK, June.

Diane McAllister / Mute swan (Cygnus olor) parent guiding its six cygnets back to the pond after feeding on grasses. Manzanita Lake, Reno, Nevada, USA, May

Niall Benvie / Procession of caterpillar larvae of Pine processionary moth {Thaumetopoea sp} on their way to bury themselves in the ground and pupate, Alconocales Natural Park, Spain

Ross Couper-Johnston / Decorated Indian elephant led in festival procession, Kerala, Southern India