Anup Shah / Lioness (Panthera leo) with cub aged 2-3 months portrait. Masai Mara National Reserve, Kenya, August

Ernie Janes / House spider (Tegenaria domestica) on soap dish, UK

Nigel Cattlin / Yeasts and fungal mycelium culture contamination on culture nutrient Agar petri dish.

Steve O. Taylor (GHF) / Nomadic woman serving tea, central Mauritania, 2005.

Bernard Castelein / Young monk serving Yak tea during pudja break. Torgya festival. Galdan Namge Lhatse Monastery, Tawang, Arunachal Pradesh, India. January 2014.

Michael Durham / Jar of cooked Camas plant (Camassia quamash) bulbs, Weippe Prairie, Idaho, USA, May. Model released.

Gerry Ellis / Hippopotamus (Hippopotamus amphibius) bull threat displaying, Dish Pan, Linyanti Swamp, Botswana

Gerry Ellis / Hippopotamus (Hippopotamus amphibius) bull threat displaying, Dish Pan, Linyanti Swamp, Botswana

Heather Angel / Freshwater green hydra (Hydra viridissima) moving over a petri dish. Green colour comes from the symbiotic relationship with green alga Chlorella vulgaris