Alex Hyde / Fragrant Orchid (Gymnadenia conopsea) and Yellow Rattle (Rhinanthus sp.) flowering in ancient alpine hay meadow. Nordtirol, Austrian Alps. June.

Melvin Grey / Violet-tailed sylph hummingbird (Aglaiocercus coelestis) hummingbird adult male, approaching flower to feed, Tandayapa, Ecuador

Sven Zacek / Hepatica (Hepatica nobilis) white morph and normal blue morph, Southern Estonia, April.

Richard Du Toit / Longtailed widowbird (Eupletes progne) male perched in flowers, Rietvlei Nature Reserve, South Africa.

Pascal Pittorino / European honey bee (Apis mellifera) collecting pollen and nectar from Borage (Borago officinalis) Var, Provence, France, March.

Ole Jorgen Liodden / Heartsease / Wild pansy (Viola tricolor) flower, Norway, May.

Dong Lei / Mrs Gould's sunbird (Aethopyga gouldiae dabryii) male feeding from Chinese wild peach flowers (Prunus davidiana) Kawakarpo Mountain, Meri Snow Mountain National Park, Yunnan Province, China. May.

Dong Lei / Mrs Gould's sunbird (Aethopyga gouldiae dabryii) male hanging upside down and feeding from Chinese wild peach (Prunus davidiana) male blossom, Kawakarpo Mountain, Meri Snow Mountain National Park, Yun...

Rod Williams / Comma butterfly (Polygonia c-album) feeding on wild aster, Sutcliffe Park Nature Reserve, Eltham, London, UK, September.

Terry Whittaker / Red fox (Vulpes vulpes) cub on railway embankment with train passing behind, Kent, UK, July.

David Woodfall / Mixture of flowers, including Marigolds (Calendula officinalis) sown to attract wild bee species grown on roundabout / underpass of Motorway, M32, in inner city Bristol, Avon, UK, September.

Wild Wonders of Europe / Bartocha / Common peony (Paeonia officinalis) close up of stamens and stigma, Monti Sibillini National Park, Italy, May.