Andy Rouse / Red fox, (Vulpes vulpes), in bluebells, UK

Edwin Giesbers / Sword-grass moth (Xylena exsoleta) caterpillar on Field gladiolus (Gladiolus italicus). Cyprus. April.

Konrad Wothe / Gladiolus (Gladiolus palustris) flowering with meadow brown butterfly (Maniola jurtina), Upper Bavaria, Germany.

TJ Rich / Black working cocker spaniel in bluebells, in beech woodland, Micheldever Woods, Hampshire, UK

Terry Whittaker / Water vole (Arvicola amphibius) feeding on Yellow flag iris (Iris pseudacorus) seed pods, Kent, England, UK. October.

Ben Hall / Red fox (Vulpes vulpes) peering from behind tree with bluebells in foreground, Cheshire, June.

Martin Gabriel / Firefly crocus (Crocus sieberi) flowers in snow, Bavaria, Germany, March.

Paul Harcourt Davies / Spring Crocus (Crocus vernus) in flower in snow, Campo Imperatore, Gran Sasso, Appennines, Abruzzo, Italy, May

Alex Hyde / Purple emperor butterfly (Apatura iris) male on English Oak (Quercus robur) leaf basking with wings open, UK, Captive.

Sven Zacek / Yellow Flag Iris (Iris pseudacorus) flowering in birch forest. Estonia, Europe, June.

Jerry Monkman / Large Blue flag iris (Iris versicolor) flowering in water, East Inlet, Pittsburg, New Hampshire, USA. Connecticut River Headwaters Region. July 2006

Russell Cooper / Banded Demoiselle (Calopteryx splendens) male at rest on Yellow Flag Iris flower bud (Iris pseudacorus) Morden, South London. England, UK.