Morley Read / Lantern fly (Fulgora laternaria) walking along a branch in the rainforest, Orellana Province, Ecuador. (non-ex)

Tony Wu / Humphead parrotfish (Bolbometopon muricatum) shoal spawning in early morning, part of mass aggregation of thousands of fish. Caroline Islands, Palau.

Gary Bell/ Oceanwide / Painted Sweetlips (Diagramma pictum) in Slender Cardinalfish (Rhabdamia gracilis) school near Double-headed Maori Wrasse (Cheilinus undulatus), Great Barrier Reef, Australia

Gary Bell/ Oceanwide / Double-headed Maori Wrasse (Cheilinus undulatus), Painted Sweetlips (Diagramma pictum), and Slender Cardinalfish (Rhabdamia gracilis) school, Great Barrier Reef, Queensland, Australia

Eladio Fernandez / Blue-headed quail-dove (Starnoenas cyanocephala) profile, Cuba. Endangered species. Endemic.

Jack Dykinga / Bald eagle (Haliaeetus leucocephalus) perched as Snow geese (Chen caerulescens) fly by, Bosque del Apache National Wildlife Refuge, New Mexico, USA, January.

Ernie Janes / Bald eagle (Haliaeetus leucocephalus) portrait, captive, occurs in North America.

Nick Upton / Sand-loving / Square-headed wasp (Tachysphex costae) feeding on Sea holly flowers (Eryngium maritimum) on a beach, Sardinia, Italy, June.

Andy Rouse / Black headed bunting, (Emberiza melanocephala), catching flies on sunflower crop, Bulgaria, June.

Jack Dykinga / Yellow-headed blackbirds (Xanthocephalus xanthocephalus) and Redwing blackbirds (Agelaius phoeniceus) roosting. Whitewater Draw Wildlife Area, Arizona, USA, December.

Jack Dykinga / Murmuration of Yellow-headed blackbirds (Xanthocephalus xanthocephalus) and Redwing blackbirds (Agelaius phoeniceus) at sunset, before roosting. Whitewater Draw Wildlife Area, Arizona, USA, December.

Suzi Eszterhas / Cotton-top tamarin (Saguinus oedipus), three climbing tree. Northern Colombia.

Suzi Eszterhas / Cotton-top tamarin (Saguinus oedipus), adult with two week old baby on back. Northern Colombia.

Markus Varesvuo / Citrine wagtail (Motacilla citreola) male perched on Reed. Latvia. April.

Karine Aigner / Blue-headed quail-dove (Starnoenas cyanocephala) on ground, Cuba

Eric Baccega / Shoebill stork (Balaeniceps rex) in the swamps of Mabamba, Lake Victoria, Uganda, February.

Staffan Widstrand / Grey-headed woodpecker (Picus canus) on tree trunk in falling snow. Kalvtrask, Vasterbotten, Lapland, Sweden. January.

Donald M. Jones / Yellow-headed Blackbird (Xanthocephalus xanthocephalus) male calling, Montana

Thomas Marent / Red-headed Barbet (Eubucco bourcierii) male, Valle del Cauca, Colombia

Ann & Steve Toon / Orange-breasted sunbird (Anthobaphes violacea), Kirstenbosch National Botanical Garden, Cape Town, South Africa, September

Graeme Guy/ BIA / Chestnut-headed Bee-eater (Merops leschenaulti) trio with insect prey, Penang, Malaysia

Tomasz Zawadzki/ BIA / Blue-headed Wagtail (Motacilla flava) calling, Poland

Chien Lee / Minden / Black-headed Cat Snake (Boiga nigriceps) swallowing alive Harlequin Flying Tree Frog (Rhacophorus pardalis) prey, Kubah National Park, Sarawak, Malaysia, sequence 1 of 4

Chien Lee / Ecuadorian Toad-headed Pit-viper (Bothrocophias campbelli) in rainforest, Mashpi Amagusa Reserve, Pichincha, Ecuador

Danny Green / Bald eagle (Haliaeetus leucocephalus) in flight, Alaska, USA, February

Danny Green / Bald eagle (Haliaeetus leucocephalus) head portrait, Alaska, USA, February

Danny Green / Bald eagle (Haliaeetus leucocephalus) in flight, Alaska, USA, February

Chien Lee / Red-headed Krait (Bungarus flaviceps) in rainforest, Santubong National Park, Sarawak, Borneo, Malaysia

Phil Savoie / Pink lady mayfly (Epeorus albertae) close up of eye of male, Madison River, Montana, USA, August.

Staffan Widstrand / Wilson's bird-of-paradise (Cicinnurus respublica), Waigeo, Raja Ampat, Western Papua, Indonesian New Guinea

Ingo Arndt / Red bald headed uakari {Cacajao calvus ucayalii} Rio Yavari, Amazonia, Peru FOR SALE IN UK ONLY

Ingo Arndt / Red bald headed uakari {Cacajao calvus ucayalii} in tree, Rio Yavari, Amazonia, Peru

Ingo Arndt / Red bald headed uakari {Cacajao calvus ucayalii} leaping from tree canopy, Rio Yavari, Amazonia, Peru

Ingo Arndt / Close up of face of Red bald headed uakari {Cacajao calvus ucayalii} Rio Yavari, Amazonia, Peru FOR SALE IN UK ONLY

Thomas Marent / Bay-headed Tanager (Tangara gyrola), Guacharo Cave National Park, Colombia

Thomas Marent / Cotton-top Tamarin (Saguinus oedipus) with red pollen after feeding on flower nectar, Tayrona National Natural Park, Colombia

Thomas Marent / Bay-headed Tanager (Tangara gyrola), Sierra Nevada de Santa Marta, Colombia

Alex Mustard / Great hammerhead shark (Sphyrna mokarran) female at night with Bar jacks (Caranx ruber), South Bimini, Bahamas. The Bahamas National Shark Sanctuary. Gulf Stream, West Atlantic Ocean.

Alex Mustard / Great hammerhead shark (Sphyrna mokarran) male in shallow water. South Bimini, Bahamas. The Bahamas National Shark Sanctuary. Gulf Stream, West Atlantic Ocean.

Alex Mustard / Great hammerhead shark (Sphyrna mokarran) swimming over a sandy seabed, accompanied by Rainbow runners (Elagatis bipinnulata) South Bimini, Bahamas. The Bahamas National Shark Sanctuary. Gulf Stream,...

Alex Mustard / Diver (Predrag Vuckovic) is dwarfed by Great hammerhead shark (Sphyrna mokarran). This species can reach over 6m in length. South Bimini, Bahamas. The Bahamas National Shark Sanctuary. Gulf Stream, We...

Bence Mate / Green / Double-crested basilisk (Basiliscus plumifrons) running across water surface, Santa Rita, Costa Rica.

Bence Mate / Black headed gull (Chroicocephalus ridibundus) in flight, blurred motion, Kiskunsagi National Park, Pusztaszer, Hungary. June.

Bence Mate / Hamerkop (Scopus umbretta) tossing frog prey, Mkuze, South Africa

Bence Mate / Black headed gull (Chroicocephalus ridibundus) taking off with foot caught in discarded coat hanger, Lake Csaj, Kiskunsagi National Park, Pusztaszer, Hungary. May. Awarded in Wildlife Photojournalist:...

Biraj Sarkar/ BIA / Ashy-headed Green Pigeon (Treron phayrei) feeding on fruit, Darjeeling, India

Michel Poinsignon / Black headed gull (Chroicocephalus ridibundus) taking off, detail of legs and water droplets, Pusztaszer, Hungary, April

Edwin Giesbers / Brown headed spider monkey (Ateles fusciceps) mother and baby, captive occurs in Central and South America.

Edwin Giesbers / Brown headed spider monkey (Ateles fusciceps) group resting together, captive occurs in Central and South America.

Thomas Marent / Black-headed Night Monkey (Aotus nigriceps) at night, Tambopata-Candamo Nature Reserve, Peru

Roland Seitre / Bald head uakari monkey (Cacajao calvus rubicundus) captive, occurs in Amazonian Peru, and Brazil.

Konrad Wothe / Lantern bugs (Fulgora laternaria) on tree trunk, Panguana Reserve, Peru.

Alex Hyde / Harvestman (Megabunus diadema) with prominent, spiky eyes, Peak District National Park, Derbyshire, UK. April

Cyril Ruoso / Red-headed Poison Frog (Dendrobates fantasticus), Amazon, Peru

Alan Murphy / Yellow-headed Blackbird (Xanthocephalus xanthocephalus) male with insect prey, British Columbia, Canada

Alan Murphy / Yellow-headed Blackbird (Xanthocephalus xanthocephalus) female on cattails, British Columbia, Canada

Greg Oakley / Brown-headed Honeyeater (Melithreptus brevirostris) group, Victoria, Australia

Jan Wegener / Brown-headed Honeyeater (Melithreptus brevirostris) calling, Victoria, Australia

Denis-Huot / Village weaver bird (Ploceus cucullatus) male building a nest after the rains, Masai-Mara Game Reserve, Kenya. February.

Floris van Breugel / Bald eagle (Haliaeetus leucocephalus) flying in front of the massive wall of ice, Margerie Glacier, Glacier Bay National Park, Alaska, USA, August 2014.

Graeme Guy / Chestnut-headed Bee-eater (Merops leschenaulti) male, Penang, Malaysia

Dong Lei / Chestnut-headed Tesia (Tesia castaneocoronata) perched, Sichuan Province, China.

Ben Cranke / Jandaya Parakeet (Aratinga jandaya) perched on a tree branch, Piaui, Brazil. August.

Richard Robinson / Maui's dolphin (Cephalorhynchus hectori maui) Critically Endangered, the world's smallest and rarest marine dolphin. Endemic to North Island, New Zealand. October. Editorial use only.

Richard Robinson / Hector's dolphins (Cephalorhynchus hectori) Akaroa Harbour, South Island, New Zealand, November. Editorial use only.

Richard Robinson / Hector's dolphin (Cephalorhynchus hectori) Akaroa Harbour, South Island, New Zealand, November. Editorial use only.

Richard Robinson / Maui's dolphins (Cephalorhynchus hectori maui) Critically Endangered, the world's smallest and rarest marine dolphin. Endemic to North Island, New Zealand, March. Editorial use only.

Will Burrard-Lucas / Big-headed mole rat (Tachyoryctes macrocephalus) appearing from its hole, Bale Mountains National Park, Ethiopia. Taken with remote camera.

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...

Ernie Janes / Black headed gull (Larus ridibundus) in winter plumage, Titchwell RSPB reserve, Norfolk, England, UK, December.

Juan Carlos Munoz / Golden-headed lion tamarin (Leontopithecus chrysomelas) captive portrait, Apenheul Park, Netherlands.

Stefan Rieben / Grey-headed Woodpecker (Picus canus) parents feeding chicks at nest hole, Zurich, Switzerland

Ben Hall / Black headed gull (Chroicocephalus ridibundus) taking flight, artistically blurred photograph. Cheshire, UK, October. Highly honoured in the Art in Nature category of the Nature's Best Windland Smith...

Ben Hall / Black-headed gull (Larus ridibundus) alighting on water at dawn, Cheshire, UK, November. Highly Commended in the British Wildlife Photography Awards (BWPA) competition 2013.

Ben Hall / Black-headed gull (Chroicocephalus ridibundus) in flight, artistically blurred photograph, Cheshire, UK, February. Highly Commended in the British Wildlife Photography Awards (BWPA) competition 2013....

Axel Gomille,Axel Gomille / Black-headed Ibis / Oriental Ibis (Threskiornis melanocephalus), Karnataka, India

Axel Gomille,Axel Gomille / Black-headed Ibis / Oriental Ibis (Threskiornis melanocephalus), Karnataka, India

Alex Mustard / A male Yellow-headed jawfish (Opistognathus aurifrons) blowing out a clutch of eggs he has been incubating in his mouth in order to oxygenate them, East End, Grand Cayman, Cayman Islands, British West...

Mark Carwardine / Melon headed whale + calf bow riding {Peponocephala electra} Maldives

David Pattyn / Black-headed gull (Chroicocephalus ridibundus) in flight above Wadden sea, Terschelling Island, The Netherlands, June

Andrew Parkinson / Black-headed gull (Chroicocephalus ridibundus) adult in winter plumage, taking off at dawn from tranquil lake. (Non-ex) Derbyshire, UK. Highly commended, GDT competition 2012, Nature's studio categor...

Cheryl-Samantha Owen / Whale headed stork (Balaeniceps rex), Lake Albert, Uganda, East Africa

MYN / Seth Patterson / Texas bow-legged bug (Hyalymenus tarsatus) nymph on Tamaulipan fiddlewood (Citharexylum berlandieri) berries, Sabal Palm Sanctuary, Lower Rio Grande Valley, Texas, USA, September. meetyourneighbours.n...

Michael D. Kern / Black headed cat eye snake (Boiga nigriceps) captive, from SE Asia

Michael D. Kern / Yellow Headed Day Gecko (Phelsuma klemmeri) between leaves captive from Madagascar

Michael D. Kern / Madagascar Ground Gecko / Big headed gecko(Paroedura Pictus) captive, from Madagascar

Roy Mangersnes / Wild Bolivian / Peruvian Squirrel Monkey (Saimiri boliviensis) in tree. Madidi National Park, Bolivia.

Roy Mangersnes / Wild Bolivian / Peruvian Squirrel Monkey (Saimiri boliviensis) female carrying young on her back. Madidi National Park, Bolivia.

Laurie Campbell / Black-headed gulls (Larus ridibundus) robbing Puffin (Fratercula arctica) of catch, Farne Islands, Northumberland, England, June

Terry Whittaker / 2020VISION / Lesser black-backed gulls (Larus fuscus), Herring gulls (Larus argentatus), Black-headed gulls (Larus ridibundus) and Starlings (Sturnus vulgaris) feeding on landfill site, Pitsea, Essex, England, UK,...

Terry Whittaker / 2020VISION / Lesser black-backed gulls (Larus fuscus), Herring gulls (Larus argentatus), Black-headed gulls (Larus ridibundus) and Starlings (Sturnus vulgaris) feeding on landfill site, Pitsea, Essex, England, UK,...

Terry Whittaker / 2020VISION / Lesser black-backed gulls (Larus fuscus), Herring gulls (Larus argentatus), Black-headed gulls (Larus ridibundus) and Starlings (Sturnus vulgaris) feeding on landfill site, Pitsea, Essex, England, UK,...

MYN / Piotr Naskrecki / Long legged fly (Condylostylus sp) portrait, Concord, Massachusetts, USA, June. meetyourneighbours.net project

Edwin Giesbers / Shoebill / Whale headed stork (Balaeniceps rex) head portrait, captive

Christophe Courteau / Whale headed / Shoebill stork (Balaeniceps rex) catching a Lungfish (Protoperus sp) in the swamps of Mabamba, Lake Victoria, Uganda / Bec en sabot, dipneuste, Lac Victoria, Ouganda

Christophe Courteau / Whale headed / Shoebill stork (Balaeniceps rex) in flight over the swamps of Mabamba, Lake Victoria, Uganda / Bec en sabot, Lac Victoria, Ouganda