Andres M. Dominguez / Great green bush-cricket (Tettigonia viridissima) and Common poppy (Papaver rhoeas) Sierra de Grazalema Natural Park, southern Spain, April.

MYN / Paul van Hoof / Great green bush-cricket (Tettigonia viridissima) female, The Netherlands, July. Meetyourneighbours.net project

Claudio Contreras / Green heron (Butorides virescens), Xochimilco wetlands, Mexico City, June

Cheryl-Samantha Owen / Green-backed heron (Butorides striatus) jumping, Aldabra Atoll, Seychelles

Bert Willaert / Green-backed Firecrown (Sephanoides sephanoides) nesting next to a hiking trail in Mocha Island National Reserve, Mocha Island, Chile, December

Cheryl-Samantha Owen / Striated green heron (Butorides striatus) jumping to catch dragonfly prey, Aldabra Atoll, Seychelles, Indian Ocean

Bernard Castelein / Great green bushcricket (Tettigonia viridissima) covered in dew droplets, on plant amongst seedheads. Klein Schietveld, Brasschaat, Belgium. August.

Bernard Castelein / Great green bush-cricket (Tettigonia viridissima) covered in dew droplets, on flowerhead. Peerdsbos, Brasschaat, Belgium. July.

Bernard Castelein / Great green bush-cricket (Tettigonia viridissima) covered in dew droplets, on flowerhead. Peerdsbos, Brasschaat, Belgium. July.

Hanne & Jens Eriksen / Striated heron (Butorides striata) with Scorpionfish (Scorpaenidae) in beak, standing on rock. Oman, November

Ann & Steve Toon / Greenbacked heron (Butorides striatus) peering from perch, Zimanga private game reserve, KwaZulu-Natal, South Africa.

Ann & Steve Toon / Greenbacked heron (Butorides striatus) walking through water, Zimanga private game reserve, KwaZulu-Natal, South Africa.

Ben Hall / Whooper swan (Cygnus cygnus) in snowfall. Martin Mere Wetlands Trust, Lancashire,UK, January. 'Animal Portraits' category, British Wildlife Photographer Awards (BWPA) competition 2012.

Ben Hall / Curlews (Numenius arquata) group flying over the sea during storm. Wales, UK December. Highly commended, 'Habitat' division, British Wildlife Photography Awards (BWPA) competition 2012.

Nick Turner / Men pulling on a rope in a tug of war competition, Cotswold Olimpicks, Chipping Campden, Gloucestershire, June 2011.

Bert Willaert / Juvenile South American Common / Crested Forest Toad 1+Rhinella margaritifera 'complex'+2. Ecuador, South America.

Bert Willaert / Male Humayun's Wrinkled Frog (Nyctibatrachus humayuni) calling next to egg clutches on leaves. Western Ghats, India.

Bert Willaert / Pair of mating Mouse Opossums (Marmosops cf. noctivagus) hanging from prehensile tail. Ecuador,

Bert Willaert / Large Psammodromus (Psammodromus algirus) on sand against habitat plains. Ebro Delta, Spain.

Juan Carlos Munoz / Two White Tailed Sea Eagle (Haliaeetus albicilla) fighting in acrobatic flight as Raven (Corvus corax) looks on. Scandinavia, April. 5th, 2010 Euronatur Wildlife photographer competition.

Sven Zacek / Roe Deer (Capreolus capreolus) from different angles, only one in focus. Virumaa, Estonia, Europe, March. Winner of the Mammals category in GDT competition 2013. 2nd Prize in the Mammals Category of M...

George Sanker / Limber Pine (Pinus flexilis). Grand Teton National Park, Wyoming, USA, October 2010. Famous patriarch tree of the Grand Tetons just after fall snowstorm. Winner: World Landscapes category in the Outdo...

Solvin Zankl / Pair of Common european toads (Bufo bufo) with strings of toadspawn, in pond, Germany. Specially commended in Wildlife Photographer of the Year (WPOY) 2013, Underwater Worlds Category.

Wim van den Heever / Sika deer (Cervus nippon) huge stag feeding in open field in a snow storm, Hokkaido Japan.