Cheryl-Samantha Owen / African elephant (Loxodonta africana) calf covered in mud, Engong Narok swamp, Amboseli National Park, Kenya.

Staffan Widstrand / Hippopotamus (Hippopotamus amphibius) bull emerging from water to charge, iSimangaliso Wetland Park, KwaZulu Natal National Park. South Africa. Specially commended in the Animal Portraits category of...

Ole Jorgen Liodden / Hippopotamus (Hippopotamus amphibius) rearing head out of water, creating spray, Lake Naivasha, Kenya.

Denis-Huot / Black rhinoceros (Diceros bicornis) female and young in the mud, Masai-Mara Game Reserve, Kenya. February.

Anup Shah / Western lowland gorilla (Gorilla gorilla gorilla) sub-adult female 'Mosoko' aged 8 years and juvenile male 'Mobangi' aged 5 years drinking from a dirty pool of water in Bai Hokou, Dzanga Sangha Specia...

Toby Roxburgh / Cleaning and processing of King scallops (Pecten genus) prior to auction at Brixham Harbour, Devon, England, UK, 2009.

Warwick Sloss / African lion {Panthera leo} male covered in mud and blood after feeding on a hippo kill, Katavi NP, Tanzania.

Andy Rouse / Polar bear (Ursus maritimus) with seal kill, Svalbard, Norway, September 2009

Richard Du Toit / Cheetah {Acinonyx jubatus} covered in blood from prey, Moremi Wildlife Reserve, Botswana

Tony Heald / African elephant {Loxodonta africana} kicking up white mud (Calcrete and water) Etosha national park, Namibia.

Tony Heald / African Elephant spraying muddy water over itself. Botswana Chobe NP, Africa

Tony Heald / Bloody faced African lioness licking lips after feeding, Chobe NP, Botswana