Wim van den Heever / Blue wildebeest (Connochaetes taurinus) herd silhouetted against the rising sun with clouds in the background. Greater Kruger National Park, South Africa

Marie Read / Horned puffin (Fratercula corniculata) close-up portrait, St. Paul Island, Pribilofs, Alaska, USA, July.

Richard Du Toit / Greater kudu (Tregalaphus strepsiceros) covered in Yellowbilled oxpeckers (Buphagus africanus) rear view, Kruger National Park, South Africa.

Pascal Pittorino / Horned pansy (Viola cornuta) in botanic garden, Var, France, March.

Jack Dykinga / Great horned owl (Bubo virginianus) chicks nesting in saguaro cactus (Carnegiea gigantea), near Oracle, Sonoran Desert, Arizona, USA, May.

Juan Carlos Munoz / Gemsbok (Oryx gazella) silhouetted at dawn, Kalahari Desert, Botswana.

Stephen Dalton / Speckled bush cricket (Leptophytes punctatissima) leaping, Sussex, England. Controlled conditions.

Inaki Relanzon / Locust plague (Locusta migratoria capito) threatens crops in south Madagascar, June 2010

Edwin Giesbers / Yellow horned poppy (Glaucium flavum) close up of pistil and stamens, Menorca, Balearic Islands, Spain

Nigel Cattlin / Yellow horned poppy (Glaucium flavum) on shingle. Chesil Beach, Dorset, England, UK. May.

Karine Aigner / Great horned owl (Bubo virginianus) owlet in tree. Texas, USA. April.

Heather Angel / Long horned bee (Eucera sp), two males sleeping in Buttercup (Ranunculus sp) on cold morning. Picos de Europa National Park, Spain. May.

Mark Raycroft / Great Horned Owl (Bubo virginianus) pair in autumn, North America

Magnus Lundgren / Wild Wonders of China / Long horned beetle (Anoplophora sp) found in Ha Pak Nai, Yuen Long District facing Deep Bay, New territories, Hong Kong, China.

Nick Upton / Golden-bloomed grey longhorn / Thistle longhorn beetle (Agapanthia villosoviridescens) on bramble stem, Wiltshire, UK, May.

Ernie Janes / Domestic breed of Horned pansy (Viola cornuta) England, UK.

Gary K. Smith / Yellow horned poppy (Glaucium flavum) growing on shingle beach, Norfolk, UK, August

Clay Bolt / Long-horned bee (Melissodes sp) female, collecting pollen on a sunflower in a community garden, Bozeman, Montana

Philippe Clement / Yellow horned poppy (Glaucium flavum) in flower, Belgium, June

Konrad Wothe / Brightly coloured cricket (Rhopsotettix consummatus) in rainforest, Panguana Reserve, Huanuca province, Amazon basin, Peru.

MYN / Les Meade / Two-Striped Grasshopper (Melanoplus bivittatus) Washington, USA, October. Meetyourneighbours.net project.

Robert Thompson / Yellow horned moth (Achyla flavicornis) The Argory Estate, (National Trust), Derrycaw, County Armagh, Northern Ireland, March 2013

Robert Thompson / Yellow horned moth (Achyla flavicornis) The Argory Estate, (National Trust), Derrycaw, County Armagh, Northern Ireland, March 2013

Cyril Ruoso / Longhorn Beetle (Cerambycidae), Bateke Plateau National Park, Gabon

MYN / Piotr Naskrecki / Long-horned beetle (Cerambycidae) Costa Rica. meetyourneighbours.net project

Ross Hoddinott / Common Green Grasshopper (Omocestus viridulus), resting on dead Yellow rattle stem, Vealend Farm, Devon, UK. August 2012.

Pete Oxford / Two-horned Bug (Euagona diana), Yasuni National Park, Amazon Rainforest, Ecuador

Shibai Xiao / Fine lizard (Acanthosaura lepidogaster) close up head portrait feeding on insect prey, Bawangling National Nature Reserve, Hainan Island, China.

Shibai Xiao / Fine lizard (Acanthosaura lepidogaster) close up on leaf, Bawangling National Nature Reserve, Hainan Island, China.

Nick Upton / Yellow horned poppy (Glaucium flavum) flowering with the Aegean Sea and the coast of Turkey in the background, Eftalou, Lesbos / Lesvos, Greece, May.

Nick Upton / Yellow horned poppy (Glaucium flavum) flowering with the Aegean Sea and the coast of Turkey in the background, Eftalou, Lesbos / Lesvos, Greece, May.

Colin Varndell / Yellow horned poppy (Glaucium flavum) seed pods, Chesil beach, Dorset, UK, August

Rod Williams / Ornate horned frog (Ceratophrys ornata) captive, rare yellow form from Argentina, Uruguay, Brazil

Gary K. Smith / Yellow horned poppy (Glaucium flavum) single plant flowering amongst concrete sea defences, Norfolk, UK, September

Gary K. Smith / Yellow horned poppy (Glaucium flavum) growing on shingle saltings, Norfolk, UK, August

Nick Upton / Male Lesvos bush cricket (Poecilimon mytelenensis), a species endemic to the island, Lesbos (Lesvos), Greece, June.

Ernie Janes / Yellow horned poppy (Glaucium flavum) in flower surrounded by washed up Razor shell (Ensis siliqua) shells at lowtide, The Wash, Norfolk, UK, August

Ernie Janes / Yellow-horned poppy (Glauciun flavum) flowering on shingle, Norfolk, UK, September

Ernie Janes / Yellow-horned poppy (Glauciun flavum) flowering on shingle, Norfolk, UK, September

Ernie Janes / Sand dunes covered in flowering plants including Yellow horned poppy (Glaucium flavum) and purple orchids, Burnham Overy, Norfolk, UK, June

Nick Upton / Longhorn beetle (Stenopterus rufus) foraging on Crown daisy (Chrysanthemum coronarium), Corsica, France, May.

Philippe Clement / Great green bush cricket (Tettigonia viridissima) male on Tansy flowers (Tanacetum vulgare), Belgium

Philippe Clement / Long-winged conehead (Conocephalus fuscus / discolor) female on Tansy flowers (Chrysanthemum vulgare), Belgium

Philippe Clement / Meadow grasshopper (Chorthippus parallelus) on Tansy (Tanacetum vulgare) flowers, Belgium

Robert Thompson / Yellow horned moth (Achlya flavicornis) Annagarriff Wood NNR, Peatlands, County Armagh, Northern Ireland, UK, March

Robert Thompson / Yellow horned moth (Achlya flavicornis) County Fermanagh, Northern Ireland, UK, March

Edwin Giesbers / Yellow horned poppy (Glaucium flavum) Menorca, Balearic Islands, Spain

Edwin Giesbers / Yellow horned poppy (Glaucium flavum) flowering on sand dune, Menorca, Balearic Islands, Spain May 2009

Stephen Dalton / Long winged conehead / bush cricket (Conocephalus discolor) on composite flower, UK

Donald M. Jones / Great Horned Owl (Bubo virginianus) in cottonwood tree, western Montana

Philippe Clement / Yellow horned poppy (Glaucium flavum) in flower, the Netherlands

Robert Thompson / Yellow horned poppy {Glaucium flavum} Annalong Coastal Path, County Down.

Robert Thompson / Yellow horned poppy {Glaucium flavum} Annalong Coastal Path, County Down.

Stephen Dalton / Immature Great green bush cricket {Tettigonia viridissima} on Buttercup flower {Ranunculus} UK

Gary K. Smith / Yellow Horned poppy (Glaucium flavum) growing on coastal shingle ridge, Norfolk, UK, June

Piotr Naskrecki / Amazon Horned Frog (Ceratophrys cornuta) camouflaged in leaf litter, Brownsberg Reserve, Surinam

Gary K. Smith / Yellow Horned poppy (Glaucium flavum) growing on coastal shingle ridge, Norfolk, UK, August,

Silvia Reiche / Longhorn Beetle (Agapanthia villosoviridescens) on yellow flower, Netherlands

Silvia Reiche / Longhorn Beetle (Agapanthia villosoviridescens) on yellow flower, Netherlands

Premaphotos / Grasshopper (Arcyptera fusca) male in the Alps, Switzerland

Premaphotos / Grasshopper (Rhopsotettix consummatus), warningly coloured pair mating in rainforest, Peru

Doug Wechsler / Eastern Lubber grasshopper (Romale microptera) Everglades NP, Florida, USA

Simon Colmer / Yellow horned poppy (Glaucium flavum) flowering on vegetated shingle, Climping, Sussex, UK

Simon Colmer / Yellow horned poppy (Glaucium flavum) on vegetated shingle, Climping, Sussex, UK

Michael Durham / Great Horned Owl (Bubo virginianus) detail of eye, North America

Tony Evans / Yellow horned poppy flowering on shingle {Glaucium flavum} UK

Tony Evans / Yellow horned poppy flowering on shingle {Glaucium flavum} UK

Nigel Cattlin / Meadow / long-horned grasshopper (Conocephalus longipennis) pest of Rice (Oryza sativa) and predator of Rice bugs and stem borers, Philippines

Premaphotos / Eastern lubber grasshopper (Romalea microptera) warningly coloured female, Georgia, USA

Premaphotos / Variegated grasshopper (Zonocerus variegatus) showing warning colouration, in rainforest, Gambia

Premaphotos / Bush-cricket / katydid (Neoconocephalus sp) with a yellow, warning coloration spot on its face, Trinidad

Premaphotos / Long-winged conehead female (Conocephalus discolor) on Yellow fleabane flower, UK

Premaphotos / Long-winged conehead male (Conocephalus discolor) feeding on Yellow fleabane flower, UK

Premaphotos / Speckled bush-cricket female (Leptophyes punctatissima) feeding on a Common fleabane flower, UK

Premaphotos / Long-winged conehead (Conocephalus discolor) female feeding on Yellow fleabane flower, UK

Jose B. Ruiz / Yellow horned poppy flowering on beach {Glaucium flavum} Alicante, Spain

Paul Hobson / Yellow horned poppy on beach {Glaucium flavum} Norfolk UK

Adrian Davies / Yellow horned poppy on beach {Glaucium flavum} Devon UK

Marie Read / Horned puffin (Fratercula corniculata) resting on small ledge amid yellow lichen-encrusted rocks, St. Paul, Pribilof Islands, Alaska, USA. July.

Pal Hermansen / Large marsh grasshopper (Stethophyma grossum) jumping in wet meadow, Viken, Norway. August.

Nick Upton / Long-horned bee (Eucera longicornis) male, nectaring from Greater bird's-foot trefoil (Lotus pedunculatus) flower on coastal grassland, The Lizard, Cornwall, England, UK. June.

Nick Upton / Long-horned bee (Eucera longicornis) male, flying towards Greater bird's-foot trefoil (Lotus pedunculatus) flowers on coastal grassland, The Lizard, Cornwall, England, UK. June.

Joel Sartore / Photo Ark / Great horned owl (Bubo virginianus lagophonus) male, head portrait, Chintimini Wildlife Center, Oregon, USA. Captive.

Joel Sartore / Photo Ark / Great horned owl (Bubo virginianus lagophonus) male, head portrait, Chintimini Wildlife Center, Oregon, USA. Captive.

David Fleetham / Close-up of Horned helmet shell (Cassis cornuta) hunting Red Pencil Urchin (Heterocentrotus mamillatus), Hawaii, USA, Pacific Ocean.

Joel Sartore / Photo Ark / Great horned owl (Bubo virginianus virginianus) head portrait, SPCA's Wildlife Center of Texas, USA. Captive.

Joel Sartore / Photo Ark / Great horned owl (Bubo virginianus virginianus) head portrait, SPCA's Wildlife Center of Texas, USA. Captive.

Joel Sartore / Photo Ark / Desert great horned owl (Bubo virginianus pallescens) head portrait, Wild At Heart, Arizona, USA. Captive.

Joel Sartore / Photo Ark / Desert great horned owl (Bubo virginianus pallescens) head portrait, Wild At Heart, Arizona, USA. Captive.

Joel Sartore / Photo Ark / Desert great horned owl (Bubo virginianus pallescens) head portrait, Wild At Heart, Arizona, USA. Captive.

Joel Sartore / Photo Ark / Magellanic horned owl (Bubo magellanicus) feet detail, Santiago Zoo, Chile. Captive.

Joel Sartore / Photo Ark / Magellanic horned owl (Bubo magellanicus) head portrait, Santiago Zoo, Chile. Captive.

Joel Sartore / Photo Ark / Magellanic horned owl (Bubo magellanicus) looking up, portrait, Santiago Zoo, Chile. Captive.