Nigel Cattlin / Blue colour variation of Green paddy leafhopper, (Nephottetix virescens) a biotype of this pest species

Ingo Arndt / Compilation of various corals including many Fan corals (Gorgonacea sp) from collection at Senckenberg Museum, Frankfurt, Germany.

Ingo Arndt / Land snail (Polymita picta) collection of shells showing variation in patterning, Cuba. Endemic species.

Sandra Bartocha / European beech (Fagus sylvatica) and Pines reflected in Schweingartensee lake.Serrahn, Muritz-National Park, World Natural Heritage site, Germany, Europe. November 2015.

Juan Carlos Munoz / European beech forest (Fagus sylvatica) in autumn, view from below in the mist, Ilirska Bistrica, Green Karst, Slovenia, October.

Solvin Zankl / Portuguese Man-of-War (Physalia physalis) close up of tentacles, Sargasso Sea, Bermuda

MYN / Corne van der Linden / Variety of orchids from the Banksia Woodland, Swan Coastal Plain. Including Pansy orchid (Diuris magnifica), Slender sun orchid (Thelymitra vulgaris), Cowslip orchid (Caladenia flava), Plain sun orchi...

Andy Rouse / Fish eye aerial view of autumnal forest, Finland, September.

Dong Lei / Blue poppy (Meconopsis racemosa var. spinulifera) in misty landscape, Serxu, Shiqu county, Sichuan Province, Qinghai-Tibet Plateau, China, August 2010.

Konrad Wothe / View up into canopy with sun rays shining through the leaves, lowland rainforest, Panguana Reserve, Huanuco province, Amazon basin, Peru.

Pal Hermansen / Composite of flying butterflies (Lepidoptera) on sphere.

Ole Jorgen Liodden / Arctic fox (Alopex lagopus lagopus) mid moult into summer fur, back lit portrait, Spitsbergen, Svalbard, Norway, June.