Bence Mate / Dying Common frogs (Rana temporaria) with their legs removed for food, left to die in their breeding pool surrounded by frogspawn. Covasna, Romania. Winner of Nature category in World Press Photo awar...

Bence Mate / Dying Common frogs (Rana temporaria) with their legs removed for food, left to die in their breeding pool surrounded by frogspawn. Covasna, Romania. Highly commended in the Wildlife Photojournalism Ca...

Sven Zacek / Pink algae in fresh snow on the coast of the Baltic Sea, Lahemaa National Park, Northern Estonia. December 2012.

Solvin Zankl / Deepsea Viperfish (Chauliodus sloani) specimen from the North Atlantic near the North West of Spain, at a depth of 560-580m.

Solvin Zankl / Illuminated netdevil (Linophryne arboritera), female specimen, from deepsea Atlantic Ocean near Cape Verde at a depth of 1900m.

Solvin Zankl / Deepsea Isopod (Glyptonotus antarcticus) from Antarctic Ocean at a depth of 231m.

Solvin Zankl / Sargassum fish (Histrio histrio) in Broad-toothed gulfweed (Sargassum fluitans) Sargassum Community. Sargasso Sea, Bermuda

Andy Rouse / Mountain gorilla (Gorilla beringei) silverback yawning with mouth wide open. Rwanda.

Franco Banfi / Green anaconda (Eunectes murinus) underwater, flicking tongue, Formoso River, Bonito, Mato Grosso do Sul, Brazil

Jabruson / Hammer Headed bats (Hypsignathus monstrosus) in gloved hand - live mist net catch for blood sampling in search of the unknown reservoir host for Ebola virus. Ebola outbreaks in Mbomo in 2003 killed 12...

Mark MacEwen / Lioness (Panthera leo) feeding on carcass, Ngorongoro Crater, Tanzania, Africa.

Ole Jorgen Liodden / Walrus (Odobenus rosmarus) with waves splashing. Spitsbergen, Svalbard, August.

Alex Hyde / Regal jumping spider (Phidippus regius) male originating from North America. Captive.

Jeff Rotman / Jewel Grouper / Coral hind (Cephalopholis Miniata) with mouth open, Red Sea, Egypt

Doug Gimesy / 1554 recovered Grey-headed Fly-fox (Pteropus poliocephalus) carcases collected during a heat-stress at event at Melbourne's Yarra Bend Grey-headed Flying-fox colony - about one third of those estimate...

Doug Gimesy / Portrait of 1554 recovered Grey-headed Fly-fox (Pteropus poliocephalus) carcases collected during a heat-stress at event at Melbourne's Yarra Bend Grey-headed Flying-fox colony - about one third of th...

Doug Gimesy / Wildlife rescuer and head of Fly-by-Night Bat Clinic, Tamsyn Hogarth, attempting to cut down a Grey-headed Flying-fox (Pteropus poliocephalus), that had become entangled in barbed-wire fencing in an o...

Remi Masson / Small rodent drowned in the bottom of a river, covered in silt, Pyrenees, France.

Pal Hermansen / Domestic reindeer (Rangifer tarandus) culled, lying in pool of blood, Oppland, Norway, September.

Pal Hermansen / Domestic Reindeers (Rangifer tarandus) culled, hanging with windpipes cut and hanging out. Oppland Norway, September.

Robin Chittenden / Scientists examining beached Sperm Whale (Physeter macrocephalus) with blood on the beach, Norfolk, UK, February 2016.

Brent Stephenson / Southern giant petrel (Macronectes giganteus) killing a Southern giant petrel chick, Livingston Island, South Shetland Islands, Antarctica, January.

Bruno D'Amicis / Dead eurasian cranes (Grus grus) juvenile hanging as scarecrow in cultivated fields on shores. Shesher lake, Fogera Plains. Lake Tana Biosphere Reserve

Alex Hyde / Ants (Formicidae) dismembering a dead cricket. Danum Valley, Sabah, Borneo. Sequence 3/4.

Denis-Huot / Nile crocodile (Crocodylus niloticus) feeding on Thomson's gazelle (Eudorcas thomsonii) Mara river, Masai-Mara game reserve, Kenya.

Michael Durham / Juvenile Three toothed / Pacific lamprey (Lampetra tridentata) close up of eye, USGS Columbia River Research Lab, Willard, Washington, USA.

Jabruson / Hunter with gun near Dead Crowned monkey (Cercopithecus mona pogonias) caught for bush meat trade near Mbomo village, Odzala-Kokoua National Park, Republic of Congo, May 2005.

Chris & Monique Fallows / Great white shark (Carcharodon carcharias) feeding on Brydes whale carcass (Balaenoptera brydei), Seal Island, False Bay, South Africa, September.

Bertie Gregory / Vancouver Island wolf (Canis lupus crassodon) biting camera in protective case, Vancouver Island, British Columbia, Canada, August.

XI ZHINONG / Grey wolf (Canis lupus) at a Tibetan antelope (Pantholops hodgsoni) carcass, Qinghai, China, December

Jeff Rotman / Black blotched pufferfish (Diodon liturosus) inflated with water at night as defensive behaviour, Sipadan Island, Borneo, Malaysia.

David Shale / Gaping mouth of Angler Fish (Chaenophryne draco). Near Cape Verde, Atlantic Ocean.

Wild Wonders of Europe / Widstrand / RF- Stingray (Dasyatis pastinaca) caught in fishing net, Sardinia, Italy. (This image may be licensed either as rights managed or royalty free.)

Staffan Widstrand / RF- Close up of Piranha teeth (Serrasalmus). Pantanal, Brazil. (This image may be licensed either as rights managed or royalty free.)