Danny Green / RF - Bison (Bison bison) breathing in the cold air, Yellowstone National Park, USA, February (This image may be licensed either as rights managed or royalty free.)

Chris Mattison / RF - Angle shades moth (Phlogophora meticulosa) n Catbrook, Monmouthshire, May. Focus-stacked image. (This image may be licensed either as rights managed or royalty free.)

Chris Mattison / RF - Buff-tip moth (Phalera bucephala) camouflaged as a snapped twig, Monmouthshire, May. Focus-stacked image. (This image may be licensed either as rights managed or royalty free.)

Chris Mattison / RF - Oak hook-tip moth (Watsonalla binaria) mimicking a dead leaf, Catbrook, Monmouthshire, May. Focus-stacked image. (This image may be licensed either as rights managed or royalty free.)

Chris Mattison / RF - Pale prominent moth (Pterostoma palpina) camouflaged on a plant stem, Catbrook, Monmouthshire, Wales, UK. May. Focus-stacked image. (This image may be licensed either as rights managed or royalt...

Chris Mattison / RF - Common cockchafer, or Maybug (Melolontha melolontha) on white background . Monmouthshire, Wales, UK, May. (This image may be licensed either as rights managed or royalty free.)

Chris Mattison / RF - Drinker moth (Euthrix potatoria) Monmouthshire, Wales, UK. July (This image may be licensed either as rights managed or royalty free.)

Chris Mattison / RF - Clay-coloured weevil (Otiorhynchus singularis) on white background Catbrook, Monmouthshire, Wales, UK. May. Focus-stacked image (This image may be licensed either as rights managed or royalty fr...

Chris Mattison / RF - Poplar grey moth (Subacronicta megacephala) camouflaged on wood, Catbrook Monmouthshire, June. Focus-stacked image. (This image may be licensed either as rights managed or royalty free.)

Chris Mattison / RF - Bracken (Pteridium aquilinum) unfurling frond in evening light. Catbrook, Monmouthshire, Wales, UK. June. Focus-stacked image. (This image may be licensed either as rights managed or royalty fre...

Bernard Castelein / RF- James's flamingo (Phoenicoparrus jamesi) taking off from water, Laguna Colorada / Reserva Eduardo Avaroa, Altiplano, Bolivia (This image may be licensed either as rights managed or royalty free.)

Bernard Castelein / RF- James's flamingo (Phoenicoparrus jamesi) wings spread, taking off from water, Laguna Colorada / Reserva Eduardo Avaroa, Altiplano, Bolivia (This image may be licensed either as rights managed or...