A red fox walks over a snow-coated log in Bohemian Forest, Czech Republic. 'Fox' by Vladmir Cech won Silver in the 'Animals in their habitat' category
A Eurasian red squirrel spotted by Femke Van Willigen in Espelo, Netherlands. Winner of the Bronze in 'Animal Portraits' category.
A great horned owl perches upon a tree forming a saucer's shape in Alberta, Canada. She has thrust her wings forward to gain momentum. As the wings connect in front of her, it appears as though she has formed a perfect flying saucer. The 'Flying Saucer' by Dale Paul won the Gold in the 'Behaviour Birds' category.
A Clark's grebe snuggles with her newborn chick in San Luis Obispo County, California, USA. Lisa Roeder's 'You are my sunshine' won the Bronze medal in the 'Behaviour Birds' category
Sub-adult tigers play in Dhikala Corbett Tiger Reserve, India. Nabarun Majumdar's 'The Play Fight' won the Bronze Medal in the 'Behaviour Mammals' category
A White Rhino Bull in Madikwe Game Reserve, South Africa. 'Muddy Rhino' by Darren Donovan won the Silver medal in the 'Behaviour Mammals' category
Smooth-coated otter pups lie down. 'Quiet kids' by Jocelyn Chng won the Silver in the 'Urban Wildlife' category
"Andre Fajardo and I went to dive early one morning," says Christa Funk who won the Gold in the 'People and Nature' category. "Sometimes you'll see a ton of life in this area and other times you won't. This particular day we came upon a few bait balls and the fish let us swim around them. The photo was taken in the Pacific Ocean."
Mount Cavallazza, Paneveggio-Pale San Martino Natural Park, Italy coated in the snow. Alessandro Gruzza's 'Spirit of the ice' won the Gold in 'Planet Earth's landscape and environment' category
A coati reaches for a dustbin in National Park of Foz do Iguaçu, Brazil. 'Addicted coati by Adriana Rivas won the Bronze prize in the Urban wildlife category
Two European common brown frogs during mating season in Aveto Regional Natural Park, Italy. 'The Kiss' by Vittorio Ricci won the Gold in 'Behaviour - Amphibians and reptiles' category.
A Bengal tigress in Tadoba Andhari Tiger Reserve, India. Nick Dale's 'Bengal Tiger With Catchlight In Water' won the Gold medal in the Animal Portraits category
"Dragonfly and damselfly sex is a very conspicuous event, easily recognised by the heart-shaped "wheel" formation of mating pairs," says Dr Tze Siong Tan, Gold winner in 'Behaviour - Invertebrates' category. "I was lucky to encounter several pairs during a morning walk at Gardens by the Bay, Singapore. I approached quietly to avoid scaring the pair away; and positioned my equipment carefully to get both damselflies in the same plane."
A glacial river flowing through the black sand to the Atlantic. This photo by Dipanjan Pal won the Gold in the 'Nature Art' category.