Nick Upton / Slow motion clip of a Meadow brown butterfly (Maniola jurtina) and a Gatekeeper butterfly (Pyronia tithonus) nectaring on Saw-wort flowers (Serratula tinctoria), with a Silver-washed fritillary (Argyn...

Rolf Nussbaumer / Evening rain lily (Cooperia drummondii) flowering in meadow, Dinero, Lake Corpus Christi, South Texas, USA.

Jane Burton / Butterfly amaryllis (Hippeastrum / Amaryllis papilio)

Loic Poidevin / Gatekeeper (Pyronia tithonus) on Lavender flowers (Lavandula), Vendee, France. July.

David Woodfall / Daffodils in mist (Narcissus spp) grown commercially for bulbs. Caerwys, Flintshire, Wales, UK, April.

SCOTLAND: The Big Picture / Snowdrop, (Galanthus nivalis), wild variety at sunset, Scotland, UK.March

Philippe Clement / Common snowdrops (Galanthus nivalis) in flower, Belgium, February.

Joao Burini / Amaryllis (Hippeastrum sp), close-up of anthers, Intervales State Park, Sao Paulo, Atlantic Forest South-East Reserves, UNESCO World Heritage Site, Brazil.

Rod Williams / Gatekeeper (Pyronia tithonus) female animal feeding on common ragwort Brockley Cemetery, Lewisham, London, England, UK, July.

Rod Williams / Gatekeeper butterfly (Pyronia tithonus) male animal, Brockley Cemetery, Lewisham, London, England, UK, July.

Stephen Dalton / Gatekeeper butterfly (Pyronia tithonus) in flight, Sussex, England, UK. July.

Andy Sands / Gatekeeper / Hedge Brown butterfly (Pyronia tithonus) nectaring from flower of common Bistort, Hertfordshire, England, UK, July