Ben Hall / Black-headed gull (Larus ridibundus) alighting on water at dawn, Cheshire, UK, November. Highly Commended in the British Wildlife Photography Awards (BWPA) competition 2013.

Michael Pitts / Lake Assal shoreline - Africas lowest point at 515 feet below sea level, Djibouti, , March 2008

Juergen Freund / Aerial view of the flooded Lake Eyre National Park. South Australia, June 2011

Andy Rouse / 2020VISION / European river otter (Lutra lutra) swimming in lake with cub, Wales, UK, October. Photographer quote: "Rain, rain and more rain, a typical Welsh summers day,but even though I was soaked through I was...

Solvin Zankl / Seeds of Common storksbill (Erodium cicutarium), Europe. In dry conditions, the ripe seeds are ejected from the fruit. The seed tails are formed from the persisting style which consists of hygroscopic...

Ashley Cooper / Bedzed the UK's largest eco carbon neutral housing complex in Beddington, London, UK, May 2007.

Wild Wonders of Europe / Widstrand / A simple wildlife watching hide to view red deer, near Stepnica, Oder delta, Poland, February 2014.

Shibai Xiao / Workers roasting steamed bread for simple lunch, Heilongjiang Provinc, China, January 2010.

Jeff Rotman / Capuchin monkey (Cebus sp) turns the page of a book. The monkey is trained to be a companion and assistant for its owner, who has physical disabilities, and it can perform many simple tasks on request...

Jeff Rotman / A Capuchin monkey (Cebus sp) uses a cloth to rub its owner's face and relieve her of itching. The monkey is trained to be a companion and assistant for its owner, who has physical disabilities, and it...

Jeff Rotman / A capuchin monkey (Cebus sp) wipes the face of its owner with a napkin. The monkey is trained to be a companion and assistant for its owner, who has physical disabilities, and it can perform many simp...

Stephen Dalton / Sequence showing different views of Green Hydra (Hydra viridis), a simple animal related to jellyfish (Cnidaria). UK.