Adrian Davies / Wood white butterfly (Leptidea sinapis) resting on plant stem, UK. Captive bred specimen. Controlled conditions.

Adrian Davies / Malachite butterfly (Siproeta stelenes) resting on leaf in butterfly house, Devon, UK. July. Captive.

Adrian Davies / Six spot burnet moths (Zygaena filipendulae) pair mating, Surrey, UK. July.

Kim Taylor / Marbled white butterfly (Melanargia galathea) attempts to dislodge another Marbled white from a Lesser knapweed flower (Centaurea nigra). The animal fails and then returns to the other flower to feed....

Kim Taylor / Red mason bee (Osmia bicornis) female enters frame and approaches a suitable nest hole but discovers that the nest is already occupied. The occupant fends off the female and forces it away. UK. May.

Pedro Narra / Land hermit crab (Coenobita perlatus) without a shell searching for new one on beach, Mauritius.

Pedro Narra / Land hermit crab (Coenobita perlatus) without a shell approaching an empty shell to use as its new home, Mauritius.

Pedro Narra / Land hermit crab (Coenobita perlatus) without a shell, searching for a new one on beach, Mauritius.

Jack Perks / European spider crab (Hyas araneus) entering frame, stopping to feed on seabed before walking off into Common eelgrass (Zostera marina), Swanage pier, Dorset, England, UK, English Channel, September.

Jack Perks / Thornback ray (Raja clavata) entering frame and feeding on Green crab (Carcinus maenas) before leaving frame, followed by Spurdog (Squalus acanthias) which swims through frame. Whiting (Merlangius mer...

Luis Quinta / Northern krill (Meganyctiphanes norvegica) shoal, the stomach is coloured red from carotenoids, an indication that this euphausid feeds on copepods, Sesimbra, Portugal, Atlantic Ocean.

Luis Quinta / Northern krill (Meganyctiphanes norvegica) shoal, the stomach is coloured red from carotenoids, an indication that this euphausid feeds on copepods, Sesimbra, Portugal, Atlantic Ocean.