Winner 2017 Single Image category - Aaron ‘Bertie’ Gekoski of UK/USA. Palm-oil survivors Bertie looked on as a herd of Asian elephants picked their way through a cleared oil palm plantation.

Winner 2017 Behaviour: Invertebrates category - Justin Gilligan of Australia. Justin was busy documenting an artificial reef experiment when the army of crabs appeared, with an octopus acting ‘like an excited child in a candy store’. Picture: Justin Gilligan/Wildlife Photographer of the Year/NHM

Winner 11–14 Years category - Ashleigh Scully from the USA. Spotting this female hunting from the back seat of a car, she grabbed her camera, rested it on the window frame and shot a series of the fox ‘mousing’.

Winner 2017 Animal Portraits category - Peter Delaney of Ireland/South Africa. Peter had spent a long, difficult morning tracking chimpanzees through dense undergrowth.

Winner 2017 Under Water category - Anthony Berberian of France. Late at night, in the open ocean, Anthony dives in water more than 2,000 metres deep.

Winner 2017 Behaviour: Birds category - Gerry Pearce of UK/Australia. For four long months, this male brush turkey worked tirelessly to tend his nest mound. It was imperative that his eggs, buried deep under the rotting vegetation, were kept at 33°C.

Winner 2017 Behaviour: Amphibians and Reptiles category - Brian Skerry of the USA. Like generations before her, this leatherback turtle journeys back to the ocean.

Winner 2017 Animals in their Environment category - Marcio Cabral of Brazil. Marcio had been visiting the National Park for three years waiting for the right conditions to capture the glowing termite mounds.

Winner 2017 10 Years and Under category - Ekaterina Bee of Italy.Setting out to sea, Ekaterina and her parents were looking for white-tailed sea-eagles. But five-year-old Ekaterina was more interested in the cloud of herring gulls that surrounded the small boat.

Winner 2017 Behaviour: Mammals category - Tony Wu of the USA. Dozens of sperm whales mingled noisily off the coast, stacked as far as Tony could see.

Winner 2017 Plants and Fungi category - Dorin Bofan of Romania. Dorin stood alone on the shores of the fjord contemplating the immense landscape as shafts of light warmed great walls of metamorphic rock.

Young Wildlife Photographer of the Year 2017 Grand title winner - Daniël Nelson of The Netherlands. After a three-hour trek through the forest of Odzala-Kokoua National Park, Daniël finally caught up with a family of gorillas.

Winner 2017 Black and White category - Eilo Elvinger of Luxembourg. Driven by curiosity and hunger, this polar bear and her cub stopped to investigate the dirty puddle leaking from Eilo’s ship.

Grand title winner Brent Stirton from South Africa.Taken as part of an undercover investigation into the illegal trade in rhino horns.

Winner 2017 - Earth’s Environments category - Laurent Ballesta of France. As soon as he saw the magnificent ice giant, Laurent craved to reveal its hidden depths.