Terry Whittaker / Person dress as a cow holding a sign which says 'Dump dairy - Save a badger' encouraging a dairy boycott, at anti badger cull march, London 1st June 2013. Editorial use only.

Cyril Ruoso / Children in swimming pool racing in Japanese giant salamander (Andrias japonicus) costume, in Salamander Festival, Yubara, Honshu, Japan, August.

Cyril Ruoso / Children in swimming pool racing in Japanese giant salamander (Andrias japonicus) costume, in Salamander Festival, Yubara, Honshu, Japan, August.

Nick Upton / Samantha Pickering prepares to feed a mealworm to a Brown long-eared bat (Plecotus auritus) at a public engagement event, alongside her daughter dressed as a bat, Boscastle, Cornwall, UK, October 2015...

Terry Whittaker / Dancers from the Artful Badger group, dancing in badger costumes, anti badger cull march, near Houses of Parliament, London 1st June 2013.

Terry Whittaker / Dancers from the Artful Badger group, dancing in badger costumes, anti badger cull march, London 1st June 2013.

Terry Whittaker / Dancers from the Artful Badger group, dancing in badger costumes, anti badger cull march, London 1st June 2013.

Terry Whittaker / Man in badger costume with his hands in the air, at anti badger cull march, London, 1st June 2013

Terry Whittaker / Dancers from the Artful Badger group, dancing in badger costumes, anti badger cull march, London 1st June 2013.

Terry Whittaker / People dressed in fox, deer and hare costumes, with a badger masks and International Fund for Animal Welfare t-shirts, at anti badger cull march, London, 1st June 2013

Terry Whittaker / People dressed in fox, deer and hare costumes, with a badger masks and International Fund for Animal Welfare t-shirts, at anti badger cull march, London, 1st June 2013

Terry Whittaker / People dressed in fox, deer and hare costumes, with a badger masks and International Fund for Animal Welfare t-shirts, at anti badger cull march, London, 1st June 2013

Terry Whittaker / Person in a fox costume, with a badger mask and an International Fund for Animal Welfare costume, at anti badger cull march, London, 1st June 2013

Terry Whittaker / Two people in badger costumes holding a sign which says 'TB or Not TB - Vaccination is the answer' at anti badger cull march, London, 1st June 2013

Terry Whittaker / Person in cow costume, with sign reading 'Cows against the cull - Vaccinate' at anti badger cull march, London, 1st June 2013

Terry Whittaker / Person in cow costume, with sign reading 'Cows against the cull - Vaccinate' at anti badger cull march, London, 1st June 2013

Gavin Hellier / Man in fancy dress celebrating Lesbian Gay Bisexual Transgender Pride Parade, an annual event, San Francisco, California, USA, June 2011

Juergen Freund / Children in costume during Donsol whale shark festival, Donsol, Philippines.