Adrian Davies / Common frog tadpole (Rana temporaria), semi albino (c. 7 weeks). England, UK, Europe

Tony Wu / Japanese sea cucumber (Apostichopus japonicus), rare albino. Hokkaido, Japan. May.

Mike Read / Common seal (Phoca vitulina) group including brown albino. Blakeney Point National Nature Reserve, Norfolk, England, UK. September.

JIM CLARE / Extremely rare albino guanay cormorant (Phalacrocorax bougainvilliiorum). Punta San Juan Reserve, (Reserva Nacional de Islas, Islotes y Puntas Guaneras) Peru., South America

Mark Bowler / White mouse on white background.

Mark Bowler / White mouse on white background.

Mark Bowler / White mouse on white background.

Stephane Granzotto / Wels catfish (Silurus glanis), albino amongst roots, River Loire, France. June.

Remi Masson / Albino Wels catfish (Silurus glanis) swimming in the River Rhone, France, November.

Valeriy Maleev / Saiga antelope (Saiga tatarica) albino fawn, Astrakhan, Southern Russia, Russia. May.

Valeriy Maleev / Saiga antelope (Saiga tatarica) albino and normal fawn, Astrakhan, Southern Russia, Russia. May.

Remi Masson / Albino Wels catfish (Silurus glanis) swimming in the shady water of the River Rhone, France, November.