Ingo Arndt / Monarch butterfly (Danaus plexippus) hanging from a blade of grass, silhouetted against the full moon, East coast USA.

Fiona Rogers / Eastern chimpanzee (Pan troglodytes schweinfurtheii) infant male 'Google' aged 2 years, portrait. Gombe National Park, Tanzania.

David Kjaer / Duke of Burgundy butterfly (Hamearis lucina), Wiltshire, UK, June.

Robert Thompson / Black veined white butterfly (Aporia crataegi) on grass, Gavarnie-Gedre, Pyrenees National Park, France, June.

Eric Baccega / Common hamster feeding (Cricetus cricetus) Alsace, France, April, captive

Paul Harcourt Davies / Short-horned grasshoppers (Calliptamus italicus) mating, showing sexual dimorphism, Pescia Romana, Tarquinia, Umbria, Italy, September

Benjamin Barthelemy / Large white butterfly (Pieris brassicae), Vallee de l'Eure (Eure Valley), Eure-et-Loir, France, August

George Sanker / Portrait of Golden Mantled Ground Squirrel (Spermophilus lateralis) with a blade of grass in its mouth. Yellowstone National Park, Wyoming, USA, May.

Simon Colmer / Caterpillar larva of Muslin Moth (Diaphora mendica) on Couch grass, Sussex, UK, July

Laurent Geslin / Rabbit grooming, on grass in park, with the Arc de Triomphe behind, Paris, France, April 2010.

Stephen Dalton / Broad bodied chaser dragonfly (Libellula depressa) recently emerged from larval case, UK

Wild Wonders of Europe / Giesbers / Mountain daisy (Leucanthemum adustum) seen multiple times in water droplets on a blade of grass, Liechtenstein, June 2009 WWE BOOK