Sumatran elephants contribute to a healthy ecosystem.

A selection of thought-provoking images that celebrate biodiversity on the Indonesian island of Sumatra.

Southern rockhopper penguins.

The 25 April is World Penguin Day and to celebrate we’ve put together a special gallery of these charismatic seabirds.

Gelada baboons live in the Simien Mountains, Ethiopia.

Enjoy breathtaking images of Africa’s wildlife by the Wildlife Photographer of the Year 2013 overall winner. 

Eight-month-old joey on its mother’s back.

Suzi Eszterhas photographs an Australian icon and one the world’s species most at risk from climate change. 

Brown-capped rosy-finches, Leadville, Colorado.

Mario’s brilliant images capture a variety of bird species that inhabit five US states. 

A red squirrel investigates a camera propped up by twigs and stones.

Will Nicholls has dedicated thousands of hours to photographing the treasured red squirrel. 

Blue tit taking off in the snow.

A 60-year-old scrapyard is a surprisingly good refuge for wildlife as Pål Hermansen discovered. 

A Cape gannet flaps and stretches its wings after an intensive preening session.

Peter Chadwick captures the charisma of Cape gannets at their South African breeding colonies. 

Hourglass Dolphins by Chris Rose (acrylic).

Marvel at amazing cetacean artwork in a range of media by talented wildlife artists. 

Female lion-tailed macaque feeding on a seed pod.

Anup and Fiona stayed with a troop of lion-tailed macaques for several weeks, until the monkeys were sufficiently used to their presence to allow them to take these incredible pictures.