Guy Edwardes / Common blue butterfly (Polyommatus icarus) resting on grass, Dorset, England, May

Kim Taylor / Orange tip butterfly (Anthocharis cardamines) male in flight, digitally enhanced, Surrey, England

Kim Taylor / Small copper butterfly (Lycaena phlaeas) Surrey, England

Kim Taylor / Common blue butterfly (Polyommatus icarus) females awaking at sunrise among Harebells (Campanula rotundifolia) Surrey, England, digital composite

Juergen Freund / Soft coral crab / Dendronephthya crab (Hoplophrys oatesii) camouflaged on the tip of a soft coral. Indo-pacific

Bernard Castelein / Southern hawker dragonfly {Aeshna cyanea} Brasschaat, Belgium

Juergen Freund / Arrow crab on sponge (Stenorhynchus seticornis) Caribbean

Juergen Freund / Thousands of Christmas Island Red crabs on rocky shore (Gecarcoidea natalis)

Bernard Castelein / Small red damselfly (Ceriagrion tenellum) in morning dew, Belgium

Bernard Castelein / Silver studded blue butterflies {Plebejus argus} Kelmthoutse Heide, Belgium

Bernard Castelein / Silver studded blue butterfly {Plebejus argus} Kalmthoutse Heide, Belgium

Kim Taylor / Peacock butterfly (Inachis io) on Buddleia. UK