Ingo Arndt / Robber / Coconut Crab (Birgus latro) close up of head and legs, Christmas Island, Indian Ocean, Australian Territory

Jan Hamrsky / Diving beetle (Colymbetes fuscus) close up head portrait. Europe, June. Controlled conditions.

Alex Hyde / Painted lady butterfly (Vanessa cardui) on flower, Peak District National Park, Derbyshire, UK. September.

Michel Poinsignon / Black headed gull (Chroicocephalus ridibundus) taking off, detail of legs and water droplets, Pusztaszer, Hungary, April

Edwin Giesbers / Close-up of an eye of a Sumatran tiger (Panthera tigris sumatrae), captive, native to Sumatra, Indonesia.

Edwin Giesbers / Close-up portrait of a European grey wolf (Canis lupus), captive, Norway, February.

Edwin Giesbers / Face portrait of a European lynx (Lynx lynx), captive, Norway, February.

David Tipling / Detail of Malaysian Peacock Pheasant (Polyplectron malacense) feathers, captive

Bence Mate / Close up portrait of Eastern white pelican head (Pelecanus onocrotalus) Danube Delta, Romania. Finalist in the Wildlife Photographer of the Year Awards (WPOY) Competition 2016.

Bence Mate / Close up of Dalmatian pelican (Pelecanus crispus) eye and bill, Danube Delta, Romania

Solvin Zankl / Spines of sea urchins from sand sample from Raja Ampat, Indonesia, the wide range of colours of these animals become visible. Diagonal of frame approx. 5 mm Digital focus stacking image

Solvin Zankl / Fairy Shrimp (Eubranchipus grubii) eggs Digital focus stacking image