Kim Taylor / Marbled white butterfly {Melanargia galathea} mating pair, Dorset, England.

Kim Taylor / Marbled white butterfly {Melanargia galathea} roosting at sunset, Dorset, England.

Kim Taylor / Marbled white butterfly {Melanargia galathea} roosting at sunset, Dorset, England.

Ross Hoddinott / Marbled white butterfly {Melanargia galathea} profile on grass displaying underside. Dunsdon Devon Wildlife Trust reserve, near Holsworthy, Devon, UK.

Ross Hoddinott / Marbled white butterfly {Melanargia galathea} on grass, UK.

Ross Hoddinott / Marbled white butterfly {Melanargia galathea} on grass.

Ross Hoddinott / Marbled white butterfly (Melanargia galathea) Devon, UK

Ross Hoddinott / Marbled white butterfly (Melanargia galathea) backlit, Devon, UK

Ross Hoddinott / Marbled white butterfly (Melanargia galathea) Devon, UK

Ross Hoddinott / Marbled white butterfly (Melanargia galathea) Devon, UK

Andy Sands / Marbled white butterfly {Melanargia galathea} resting on flower. UK.

Michael Hutchinson / Marbled white butterfly {Melanargia galathea} UK.

Michael Hutchinson / Marbled white butterfly {Melanargia galathea} UK.

Michael Hutchinson / Marbled white butterfly {Melanargia galathea} head on view, UK.

Ross Hoddinott / Marbled white butterflies mating {Melanargia galathea} Cornwall, UK Marsland

Colin Varndell / Two Marbled white butterflies on flower {Melanargia galathea} UK

George McCarthy / Marbled white butterfly (Melanargia galathea). North Downs, Hanmpshire, England, UK, Europe

Michael & Patricia Fogden / Painted Reed Frog (Hyperolius marmoratus) male calling from seasonal pond, savannah, South Africa

Gerry Ellis / Painted Reed Frog (Hyperolius marmoratus) on leaf, Ndumo Game Reserve, South Africa

Gerry Ellis / Painted Reed Frog (Hyperolius marmoratus), Ndumo Game Reserve, South Africa

Gerry Ellis / Painted Reed Frog (Hyperolius marmoratus) clinging to leaf, Ndumo Game Reserve, South Africa

Michael & Patricia Fogden / Painted Reed Frog (Hyperolius marmoratus) male calling from seasonal pond, savannah, South Africa

Barry Mansell / Marbled salamander {Ambystoma opacum} W Florida, USA, North America

Robert Thompson / Marbled white spot moth (Protodeltote pygarga) Murlough NNR, County Down, Northern Ireland, UK, June

Paul Hobson / Marbled white butterfly {Melanargia galathea} Yorkshire UK