This shot of a gray heron in Hungary won a silver award in the attention to detail category.
A vibrant image of pink flamingos feeding their young at a nesting area in Río Lagartos, Mexico, earned Alejandro Prieto Rojas the title of Bird Photographer of the Year and a gold award for best portrait.
Coots (Fulica atra) fight over territory in Derbyshire, U.K., in this gold award winner for bird behaviour photography.
This shot of an Australian pelican landing in New South Wales, Australia, won a gold in the flight category.
A winner for best portfolio, Markus Varesvuo cast this bearded reeling (Panurus biarmicus) against the setting mid-winter sun in Helsinki, Finland.
Another image from portfolio winner Varesvuo captures the grey owl (Strix nebulosa) in Kuusamo, Finland.
An Andean condor (Vultur gryphus) looks for prey in Torres del Paine National Park, Chile, in this gold-award winner for birds in the environment.
A barn owl hunts in Suffolk, England, in this image that won gold in the birds in the garden category.
Winning gold in the attention to detail category, this shot of a great cormorant in Hyde Park, London, captures the bird's outspread wing.
A Pacific black duck (Anas superciliosa) shows its feathers in Garvey Park, Perth, Australia. This image won gold in the creative imagery category.
This shot of a whiskered tern (Chlidonias hybrida) in wetlands in Hungary won gold in the young bird photographer of the year category.
The Nature Photographers Ltd people's choice award went to this image of a kingfisher (Alcedo atthis) in Suffolk, England.
A great white heron wrestles with a green snake in the Florida Everglades in this shot from the bird behaviour category.