George Sanker / Snowy egret (Egretta thula) with plumes erect, St. Augustine, Florida, USA, April.

Nick Upton / Mute swan (Cygnus olor) female and a young cygnet foraging in sunset light, Kennet and Avon canal, Caen Hill, Wiltshire, UK, June.

Andy Rouse / Great crested grebe (Podiceps cristatus cristatus) with young chick on back, Cardiff, UK, April.

Fiona Rogers / Dusky leaf monkey (Trachypithecus obscurus) juvenile portrait . Khao Sam Roi Yot National Park, Thailand. March 2015.

Ole Jorgen Liodden / L'Hoest's monkey (Cercopithecus lhoesti) feeding on leaves, Rwanda.

Markus Varesvuo / Black grouse (lyrurus tetrix) female and chick at nest, Vaala, Finland, June.

Jussi Murtosaari / Goldeneye (Bucephala clangula) with chicks swimming behind, Helsinki, Uusimaa, Finland, May.

Andy Rouse / Mountain gorilla (Gorilla beringei) baby held by mother, Rwanda

Terry Whittaker / Portrait of Skewbald Icelandic horse in the snow, Snaefellsnes Peninsula, Iceland, March.

Terry Whittaker / Red squirrel (Sciurus vulgaris) feeding, Black Isle, Scotland, UK, February.

Nick Garbutt / Adult Giant Anteater (Myrmecophaga tridactyla) crossing the Transpantaneira Highway. Northern Pantanal, Moto Grosso State, Brazil, South America.

Mark Raycroft / Shetland Sheepdog (Canis familiaris)