Wild Wonders of Europe / Radisics / African daisy (Arctotis hybrids) plant flowering on cliff top, Ponta de Sao Lourenco, Madeira, March 2009

Neil Lucas / Wistmans Wood, Devon, UK - ancient oak woodland (Quercus robur, Quercus petraea and hybrids)

Gary K. Smith / Echinacea purpurea 'Lustre Hybrids' and Helenium 'Sahin's Early Flower' -in front of traditional beehive in cottage garden, summer.

Gary K. Smith / Garden Delphiniums 'Pacific Hybrids' supported by canes. England, UK, June.

Gary K. Smith / Garden Delphiniums 'Pacific Hybrids' supported by canes. England, UK, June.

Gary K. Smith / Summer garden with Delphiniums 'Pacific Hybrids' and Echium Pininana foliage. England, UK. June.

Cyril Ruoso / Professor Matsu's team studying cases of hybridisation between Japanese giant salamander (Andrias japonicus) and introduced Chinese giant salamander (Andrias davidianus) with specimen just caught in t...

Melvin Grey / Two Hybrid lovebirds (Agapornis fischeri x A. personatus) Lake Naivasha, Kenya. The hybrids are the result of interbreeding between the native Yellow colllard lovebird (Agaoprnis personatus) and the...

Paul Harcourt Davies / Hybrid orchid (Ophrys x vespertilio) betwen the Bee orchid (Ophrys apifera) and Bertolonii's orchid (Ophrys bertolonii) Mount Amiata, Tuscany, Italy, June.

Paul Harcourt Davies / Hybrid orchid (Orchis x beyrichii). Hybrid of Monkey orchid (Orchis simia with Military orchid (Orchis militaris) near Leonessa, Umbria. Italy, June.

Paul Harcourt Davies / Hybrid Bee orchid (Ophrys albertiana). Hybrid of Late spider orchid (Ophrys fuciflora) and Bee orchid (Ophrys apifera) Sibillini, near Spoleto, Umbria, Italy, June.

Paul Harcourt Davies / Hybrid orchid (Orchiaceras bergonii), hybrid between Man orchid (Orchis anthropophorum) and Monkey orchid (Orchis simia) Preci near Norcia, Umbria, Italy. May.

Paul Harcourt Davies / Hybrid orchid (Orchis angustricruris), hybrid of Lady orchid (Orchis purpurea) and Monkey orchid (Orchis simia) Torrealfina, Orvieto, Umbria, Italy, May.

Paul Harcourt Davies / Hybrid orchid (Orchis x angustricruris), hybrid of Lady orchid (Orchis purpurea) and Monkey orchid (Orchis simia) Torrealfina, Orvieto, Umbria, Italy, May.

Paul Harcourt Davies / Hybrid orchid (Ophrys x hoeppneri), hybrid between Bumble Bee orchid (Ophrys bombyliflora) and Early spider (Ophrys sphegodes) orchid. Mount Argentario, Tuscany, Italy. April

Paul Harcourt Davies / Hybrid orchid (Orchiaceras x bivonae). Hybrid of Naked man orchid (Orchis italica) and Man orchid (Orchis anthrophorum) Monte St Angelo, Gargano, Puglia, Italy, April.

Paul Harcourt Davies / Hybrid orchid (Orchiaceras x bivonae) Hybrid of Naked man orchid (Orchis italica) and Man orchid (Orchis anthrophorum) Monte St Angelo, Gargano, Puglia, Italy, April.

Paul Harcourt Davies / Naked man orchid (Orchis italica) with hybrid orchid (Orchiaceras x bivonae). Hybrid of Naked man orchid (Orchis italica) and Man orchid (Orchis anthrophorum) Monte St Angelo, Gargano, Puglia, Italy,...

Paul Harcourt Davies / Hybrid Ophrys between Promontory orchid (Ophrys promontorii) and Siponto orchid (Ophrys sipontensis) near Ruggiano, Gargano, Puglia, Italy, April.

Paul Harcourt Davies / Hybrid orchid (Ophrys x flavicans). Hybrid of Bertoloni's Orchid (Ophrys bertolonii) and the Early spider orchid (Ophrys sphegodes) near Ruggiano, Gargano, Puglia, Italy, April.

Paul Harcourt Davies / Hybrid orchid (Ophrys montis-angeli). Hybrid between the Shield orchid (Ophrys biscutella) and Sawfly orchid (Ophrys tenthredinifera) near Ruggiano, Gargano, Puglia, Italy, April.

Paul Harcourt Davies / Hybrid orchid (Orchis x gennarii) between Green-winged orchid (Orchis morio) and Pink butterfly orchids (Orchis papilionacea) near Monte St Angelo, Gargano, Puglia, Italy, April.

Paul Harcourt Davies / Hybrid Ophrys orchid, hybrid of Dark ophrys (Ophrys passionis) and Ophrys archipelagi, Monte Nero, Gargano, Puglia, Italy, April.

Paul Harcourt Davies / Hybrid orchid (Ophrys x camusii), hybrid of Hornet orchid (Ophrys crabronifera) and Early spider ophrys (Ophrys spegodes) Piediluco, Terni, Umbria, Italy, May.

Paul Harcourt Davies / Hybrid orchid (Ophrys x camusii), hybrid of Hornet orchid (Ophrys crabronifera) and Early spider ophrys (Ophrys spegodes) Piediluco, Terni, Umbria, Italy, May.

Paul Harcourt Davies / Hybrid between Ophrys biancae and Ophrys calliantha, Ferla, Sicily, Italy, May.

Paul Harcourt Davies / Hybrid orchid (Orchis angusticuris). Hybrid of Lady orchid (Orchis purpurea) and Monkey orchid (Orchis simia) Torrealfina, Orvieto, Umbria, Italy, April.

Paul Harcourt Davies / Hybrid orchid (Orchis x angusticuris). Hybrid of Lady orchid (Orchis purpurea) and Monkey orchid (Orchis simia) Torrealfina, Orvieto, Umbria, Italy, April.

Paul Harcourt Davies / Hybrid orchid (Ophrys x francinae) hybrid of Sawfly orchid (Ophrys tenthredinifera) and Ophrys apulica, near Monte St Angelo, Gargano. Italy, April.

Paul Harcourt Davies / Ophrys hybrid of Sawfly orchid (Ophrys tenthredinifera) and Dark ophrys (Ophrys passionis) Ruggiano, Gargano, Puglia, Italy, April.

Paul Harcourt Davies / Hybrid ophrys, hybrid of Ophyrs crabronifera ssp biscutella x Ophrys passionis, near Ruggiano where numbers of hybrids occur. Monte St Angelo, Gargano, Puglia, Italy, April.

Paul Harcourt Davies / Hybrid orchid (Ophrys × azurea) of Promontory Ophrys (Ophrys promontorii) and Ophrys bertoloniiformis, Monte St Angelo, Gargano, Puglia, Italy, April.

Paul Harcourt Davies / Hybrid orchid (Ophrys x sommieri) hybrid of Sawfly (Ophrys tenthredinifera) and Bumble-bee orchids (Ophrys bombyliflora) Pescia Romana, Orbetello, Lazio, Italy, April.

Paul Harcourt Davies / Hybrid orchid (Ophrys x heraultii) beteewn Sawfly orchid (Ophrys tenthredinifera) and Mirror orchid (Orphys speculum) artificially produced. UK, April.

Paul Harcourt Davies / Hybrid orchid (Ophrys x arachnitiformis) hybrid of Early spider orchid (Ophrys sphegodes) and the Late spider orchid (Ophrys fuciflora) Porto Ferraio, Elba, Tuscany, Italy, March.

Paul Harcourt Davies / Hybrid orchid (Ophrys x macchiatii) hybrid of Early spider (Ophrys sphegodes) and Mirror orchids (Ophrys speculum) Porto Ferraio, Elba, Tuscany, Italy, March.

Paul Harcourt Davies / Hybrid orchid (Ophrys x pietschii) of Bee orchid (Ophrys apifera) and Fly orchid hybrid (insectifera) found just off the A303, Wiltshire, UK. June.

Paul Harcourt Davies / Ophrys × sorrentini, a hybrid of Bertolonii's orchid (Ophrys bertolonii) Sawfly Orchid (Ophrys tenthredinifera) Benano,near Orvieto, Umbria, Italy. May.

Paul Harcourt Davies / Hybrid Orchid (Ophrys x etrusca) hybrid of Early spider (Ophrys sphegodes) and Sawfly orchid (Ophrys tenthredinifera) Via Appia Antiha, Rome, Italy. May.

Paul Harcourt Davies / Lily beetles (Lilioceris lilii) mating on hybrid orchid, Ophrys lacaitae x Ophrys holoseria ssp gracilis, in woodland, near San Marco in Lamis, Puglia, Italy, May.

Paul Harcourt Davies / Hybrid orchid (Ophrys lacaitae x Ophrys holoseria ssp gracilis) in woodland, near San Marco in Lamis, Italy, May.

Paul Harcourt Davies / Hybrid orchid (Ophrys lacaitae x Ophrys holoseria ssp gracilis) in woodland, near San Marco in Lamis, Italy, May.

Paul Harcourt Davies / Natural hybrid orchid (Orchis x angusticruris) cross between Monkey orchid (Orchis simia) and Lady orchid (Orchis purpurea) near Torrealfina, Orvieto, Umbria, Italy, May.

Chien Lee / Pitcher Plant (Nepenthes aristolochioides) and Pitcher Plant (Nepenthes ventricosa) hybrids, Lindulla, Sri Lanka

Chien Lee / Pitcher Plant (Nepenthes copelandii) and Pitcher Plant (Nepenthes merrilliana) natural hybrids, Mount Kiamo, Mindanao Island, Philippines

MYN / Paul Harcourt Davies / Callantha's Orchid (Ophrys oxyrrynchos ssp calliantha) a subspecies thought to have arisen from crosses between O. oxyrrynchos and O.candica, near Ferla, Sicily, May. Meetyourneighbours.net project

MYN / Paul Harcourt Davies / Orchid (O. X cosentiana nociana) hybrid between Ophrys fuciflora ssp. parvimaculata and Ophrys apulica, growing in moist-woodland above Lago di Varano, Gargano, Puglia, Italy, April. Meetyourneighbour...

MYN / Paul Harcourt Davies / Orchid hybrid (Ophry tenthredinifera neglecta X O. bertoloniformis) near Monte St Angelo, Gargano. Italy, April. Meetyourneighbours.net project

MYN / Paul Harcourt Davies / Hybrid orchid (Anacamptis x gennarii)between Green-winged and pink butterfly orchids (Ananamptis morio x Ancamptis papilionacea) near Monte St Angelo, Gargano. Italy, April.. Meetyourneighbours.net pr...

Steven David Miller / Dingo (Canis lupus dingo) probably part domestic camp dog, running through campground, Kakadu National Park, Northern Territory, Australia, June

Nick Upton / Boy running with pet dog (Canis familiaris) a 'goldendoodle' golden retriever / standard Poodle cross. Hampshire, UK, October. Model released.

Michele Westmorland / Tan Hamlet, a hybrid of Yellowbelly and Shy hamlet(Hypoplectrus sp). St Vincent, West-Indies, Caribbean, May.

Fabrice Cahez / Wild boar / Domestic pig hybrid (Sus scrofa) running, Vosges, France, May

Robin Chittenden / Barnacle x Canada Goose hybrid (Branta leucopsis canadensis). Suffolk, UK, February.

Nick Upton / View of Lake Bohinj from the southern shore at Ribcev Laz with European chub / chubb (Squalius / Leuciscus cephalus) and Mallard duck (Anas platyrhynchos) family and Mallard hybrids swimming in the fo...

Alex Hyde / False oxlips (Primula vulgaris x veris), a hybrid of Cowslip and Common primrose, Peak District National Park, Derbyshire, April.

Alex Hyde / False oxlip (Primula vulgaris x veris), a hybrid of Cowslip and Common primrose, Peak District National Park, Derbyshire, April.

Juan Carlos Munoz / Tourist boat by icebergs in Jokulsarlon Lagoon, Vatnajokull Glacier, Iceland, July 2009

Juan Carlos Munoz / Amphibious tourist vehicle driving into the Jokulsarlon Lagoon, Vatnajokull Glacier, Iceland, July 2009

Bryan and Cherry Alexander / Dog handler with Domestic dog / Jackal cross, trained to detect explosives at Sheremetyevo Airport, Moscow, Russia, 2005.

Bryan and Cherry Alexander / Dog handler with Domestic dog / Jackal cross, trained to detect explosives at Sheremetyevo Airport, Moscow, Russia, 2005.

Bryan and Cherry Alexander / Dog handler with Domestic dog / Jackal cross, trained to detect explosives at Sheremetyevo Airport, Moscow, Russia, 2005.

Bryan and Cherry Alexander / Dog handler with domestic dog / Jackal cross, trained to detect explosives at Sheremetyevo Airport, Moscow, Russia, 2005.

Michel Poinsignon / Hybrid orchid, Fly orchid (Ophrys mouche) X Small spider orchid (Ophrys litigieux) in flower, Lorraine, France, April

Michel Poinsignon / Hydbrid orchid (Orchis militaris X Orchis purpurea) in flower, Lorraine, France, May

Jane Burton / Portrait of two young domestic Polecat-Ferrets (Mustela putorius furo) lying down together, aged 6 weeks.

Jane Burton / Portrait of two young domestic Polecat-Ferrets (Mustela putorius furo) lying down together, aged 6 weeks.

Neil Lucas / Ancient oak trees (Quercus robur, Quercus petraea and hybrids) covered in moss, with moss covered stones, Wistmans Wood, Devon, England UK

Tui De Roy / Galapagos Giant Tortoise (Chelonoidis nigra) undergoing surgery to sterilize hybrids accidentally produced in captive breeding program to repopulate Pinta Island to restore its ecological balance, Cha...

Gary K. Smith / Rescued ex-battery domestic hens (hybrids), re-homed on rural allotment, enjoying free-range retirement, Norfolk, Uk, February

Peter Lewis / Hybrid of Lady orchid (Orchis purpurea) and Monkey orchid (Orchis simia) Hartslock, Oxfordshire, England, May

Peter Lewis / Hybrid of Lady Orchid (Orchis purpurea) and Monkey Orchid (Orchis simia) Hartslock, Oxfordshire, England

Peter Lewis / Hybrid of Lady Orchid (Orchis purpurea) and Monkey Orchid (Orchis simia) Hartslock, Oxfordshire, England

Peter Lewis / Purple variety of Green Winged Orchid (Orchis morio) Bishops Waltham, Hampshire, England, UK

Wild Wonders of Europe / Radisics / African daisy (Arctotis hybrids) plants flowering, Ponta de Sao Lourenco, Madeira, March 2009

Wild Wonders of Europe / Radisics / African daisy (Arctotis hybrids) plants flowering, Ponta de Sao Lourenco, Madeira, March 2009

Wild Wonders of Europe / Bartocha / Butterfly orchid x Green winged orchid (Orchis / Anacamptis papilionacea) x (Orchis / Anacamptis morio) flowers, Gargano National Park, Gargano Peninsula, Apulia, Italy

Wild Wonders of Europe / Bartocha / Butterfly orchid x Green winged orchid (Orchis / Anacamptis papilionacea) x (Orchis / Anacamptis morio) flowers, Gargano National Park, Gargano Peninsula, Apulia, Italy

Doug Perrine / Natural hybrid cross between Blue angelfish {Holacanthus bermudensis} and Queen angelfish {Holacanthus ciliaris} Texas, Gulf of Mexico, USA

John Cancalosi / Western grey kangaroos {Macropus fuliginosus} mating, South Australia Note - In captivity western males may produce hybrids from eastern females (never in reverse)

Neil Lucas / Wistmans Wood - ancient oak (Quercus robur, Quercus petraea and hybrids) wood with lichen. Devon, UK

Todd Pusser / Hybrid dolphin - Wholphin - False killer whale x Bottle nosed dolphin, Hawaii. {Pseudorca crassidens} x {Tursiops truncatus}

Juergen Freund / Sea snail shell specimen {Xenophora pallidula} Philippine

Pete Oxford / Tigon - hybrid tiger-lion: offspring of male tiger crossed with lioness 'Rangini', Calcutta Zoo, India. Crippled animal

Eric Baccega / Newborn female white or bleached tiger cub (Panthera tigris), aged 10 days. Her parents are hybrids crossed from a Siberian tiger and a Bengal tiger, captive, France.

Tui De Roy / Galapagos Giant Tortoise (Chelonoidis nigra) hybrids feeding on Opuntia (Opuntia sp) cactus, Fausto Llerena Tortoise Center, Santa Cruz Island, Galapagos Islands, Ecuador

Cyril Ruoso / Japanese Giant Salamander (Andrias japonicus) and Chinese Giant Salamander (Andrias davidianus) hybrids placed into captivity to keep them from breeding in the wild, Honshu, Japan

Cyril Ruoso / Japanese Giant Salamander (Andrias japonicus) biologists looking for hybrids with Chinese Giant Salamander (Andrias davidianus), Honshu, Japan

Tony Phelps / Mountain Zebra Stallion/ horse hybrid. Overberg farmland, Western Cape, South Africa.

Ross Hoddinott / Portrait of two siika deer (Cervus nippon), possibly red deer (Cervus elaphus) hybrids, on open moorland in snow, Cairngorms National Park, Scotland, UK. January 2020.

Tui De Roy / Wolf giant tortoise (Chelonoidis becki). Hybrids of mixed parentage with different shell shapes are scattered far and wide on the rugged west slope of Wolf Volcano. Wolf Volcano, Isabela Island, Galap...

Tui De Roy / Wolf giant tortoise (Chelonoidis becki) in habitat. Hybrids of mixed parentage with different shell shapes are scattered far and wide on the rugged west slope of Wolf Volcano. Wolf Volcano, Isabela Is...

Tui De Roy / Park wardens recording the size and sex of each tortoise they encounter, and reading the tiny electronic tags implanted under the skin of their hind leg to check against a list of genetically desirabl...

Tui De Roy / Park wardens recording the size and sex of each tortoise they encounter, and reading the tiny electronic tags implanted under the skin of their hind leg to check against a list of genetically desirabl...

Martin Camm / Carwardine / Dall's porpoise (Phocoenoides dalli) hybrids with harbour porpoise (Phocoena phocoena) 2 & 3 No more than 15 illustrations by Martin Camm, Rebecca Robinson and/or Toni Llobet to be used in a s...

Martin Camm / Carwardine / Harbour porpoise (Phocoena phocoena) Hybrids with Dall's porpoise (Phocoenoides dalli) No more than 15 illustrations by Martin Camm, Rebecca Robinson and/or Toni Llobet to be used in a single...