Nick Upton / Sand-loving / Square-headed wasp (Tachysphex costae) feeding on Sea holly flowers (Eryngium maritimum) on a beach, Sardinia, Italy, June.

Paul D Stewart / Male Large Blue Butterfly (Maculinea eutryphon / arion) collected in 1865. It is here surrounded by other extant UK blue butterfly species. The large Blue was first recorded as a British species in 17...

Paul D Stewart / Aerial view of Grand Prismatic thermal spring in Yellowstone National Park, USA. The bright colours are natural, coming from thermophile bacteria in the water. People can be seen walking on the raised...

Anup Shah / Lioness (Panthera leo) and cub aged 9-12 months share affectionate moment, Masai Mara National Reserve, Kenya

Mary McDonald / Impala (Aepyceros melampus) mother grooming her newborn foal in rain. Lake Nakuru National Park, Kenya, East Africa.

Diane McAllister / A wild newborn colt (Equus caballus) standing up being nuzzled by its mother. Foothills of Reno, Nevada, USA, May.

George Sanker / Great egret (Ardea alba) pair in courtship. Venice Area Audubon Rookery, Florida, USA. March.

Heather Angel / Amur/ Siberian tigers (Panthera tigris altaica) pair nuzzling each other in snow. Captive in tiger park, Heilongjiang Province, China. February.

David Woodfall / Village disappeared in sand storm in eighteenth century. All that now remains is the walls colonised by limestone loving plants including Ladies Bedstraw (Galium verum) North Uist, Scotland, Uk, July.

Staffan Widstrand / Wild Wonders of China / Sign about loving nature, Beiyue Hengshan Mountain, Datong, Hunyuan County, Shanxi Province, China

Denis-Huot / Lion (Panthera leo), female and one cub, Masai-Mara Game Reserve, Kenya

Eric Baccega / Giant panda female Huan Huan nursing cub, three months old (Ailuropoda melanoleuca), captive, Beauval Zoo, France, October 2017.