Kristel Richard / A herd of Retuerta mares trotting, Guadiamar scientific reserve, Donana National Park, Andalusia, Spain. This breed of horse was close to extinction in the 1990s with only 5 individuals left, but now...

Roland Seitre / Mauricio dos Santos with a captive bred Spix's macaw (Cyanopsitta spixii), critically endangered species, site of the first attempts to breed Spix's macaw after their extinction in the wild, Recife, P...

Andy Rouse / Osprey (Pandion haliaetus) young male 'Einion' in flight. The bird is wearing a radio tracker. Dyfi Estuary, Wales, August. It is the first time ospreys have bred at this location for 400 years.

Andy Rouse / Osprey (Pandion haliaetus) newly fledged young on perch. Dyfi Estuary, Wales, August. It is the first time ospreys have bred at this location for 400 years.

Andy Rouse / Osprey (Pandion haliaetus) youngster landing in grass. Dyfi Estuary, Wales, August. It is the first time ospreys have bred at this location for 400 years.

David Woodfall / Collection of European eels (Anguilla anguilla) bred as part of breeding project, to be exported to Lough Neagh in Northern Ireland. UK. May 2010

Mitsuaki Iwago / Giant Panda (Ailuropoda melanoleuca), three captive bred cubs, China

Mitsuaki Iwago / Giant Panda (Ailuropoda melanoleuca) portrait, captive bred, Wolong, Sichuan, China

Mitsuaki Iwago / Giant Panda (Ailuropoda melanoleuca), captive bred cub, China

Yva Momatiuk & John Eastcott / California Condor (Gymnogyps californianus) adult with wingspan of 9 feet flying, critically endangered, bred in captivity, later released, and wearing radio transmitter, near Zion National Park, Utah

Adrian Davies / Eurasian beaver {Castor fiber} - bred in captivity prior to release into wild, UK

Mark Carwardine / Cook Strait giant weta {Deinacrida rugosa} Extinct in the wild until 2007, now captive-bred animals are being re-released, blue tag is marker for research purposes, Matiu-Somes Island, Wellington Harb...

Mark Carwardine / Cook Strait giant weta {Deinacrida rugosa} Extinct in the wild until 2007, now captive-bred animals are being re-released, blue tag is marker for research purposes, Matiu-Somes Island, Wellington Harb...

Mark Carwardine / Cook Strait giant weta {Deinacrida rugosa} Extinct in the wild until 2007, now captive-bred animals are being re-released, blue tag is marker for research purposes, Matiu-Somes Island, Wellington Harb...

Mark Carwardine / Cook Strait giant weta {Deinacrida rugosa} Extinct in the wild until 2007, now captive-bred animals are being re-released, blue tag is marker for research purposes, Matiu-Somes Island, Wellington Harb...

Mark Carwardine / Cook Strait giant weta {Deinacrida rugosa} Extinct in the wild until 2007, now captive-bred animals are being re-released, blue tag is marker for research purposes, Matiu-Somes Island, Wellington Harb...

Tui De Roy / Hood island giant tortoise (Chelonoidis nigra hoodensis) captive bred young are branded in preparation for release back onto their island of origin, Tortoise breeding centre, Puerto, Isabela Island, N...

Tui De Roy / Hood island giant tortoise (Chelonoidis nigra hoodensis), captive bred young are measured in preparation for release back onto their island of origin, Tortoise breeding centre, Puerto, Isabela Island,...

Tui De Roy / Hood island giant tortoise (Chelonoidis nigra hoodensis) captive bred hatchlings emarging from the egg, Tortoise breeding centre, Puerto, Isabela Island, November 2008

Tui De Roy / Hood island giant tortoise (Chelonoidis nigra hoodensis) captive bred young awaitng release back onto their island of origin, Santa Cruz Island, Galapagos, Ecuador, November 2008

Kristel Richard / Two Retuerta mares with a colt, standing, in Palacio scientific reserve, Donana National Park, Andalusia, Spain. This breed of horse was close to extinction in the 1990s with only 5 individuals left,...

LYNN M. STONE / Domestic Goose, Toulouse (Anser anser), an old breed bred directly from the wild Greylag Goose (Anser anser) in southern France. Calamus, Iowa, USA, November.

Kristel Richard / A herd Retuerta horse mares trotting, in the scientific reserve of Guadiamar, Donana National Park, Andalusia, Spain This breed of horse was close to extinction in the 1990s with only 5 individuals le...

Kristel Richard / Three Retuerta mares cantering with dust flying up, Guadiamar scientific reserve, Donana National Park, Andalusia, Spain This breed of horse was close to extinction in the 1990s with only 5 individual...

Kristel Richard / Group wild Retuerta mares, Guadiamar scientific reserve, Donana National Park, Andalusia, Spain This breed of horse was close to extinction in the 1990s with only 5 individuals left, but now are being...

Kristel Richard / Head portrait of wild Retuerta mares amongst other mares, Guadiamar scientific reserve, Donana National Park, Andalusia, Spain. This breed of horse was close to extinction in the 1990s with only 5 ind...

Kristel Richard / Head portrait of a rare and wild Retuerta mare, Guadiamar scientific reserve, in the Donana National Park, Andalusia, Spain This breed of horse was close to extinction in the 1990s with only 5 individ...

Kristel Richard / A wild Retuerta stallion (on the right) greeting one of his Retuerta mares, Guadiamar scientific reserve, Donana National Park, Andalusia, Spain This breed of horse was close to extinction in the 199...

Kristel Richard / Head and neck portrait of a wild Retuerta stallion, Donana National Park, Andalusia, Spain. This breed of horse was close to extinction in the 1990s with only 5 individuals left, but now are being bre...

Kristel Richard / A Retuerta filly standing, Palacio scientific reserve, Donana National Park, Andalusia, Spain This breed of horse was close to extinction in the 1990s with only 5 individuals left, but now are being b...

Kristel Richard / A rare and wild Retuerta mare cuddling her Retuerta filly, Palacio scientific reserve, Donana National Park, Andalusia, Spain. This breed of horse was close to extinction in the 1990s with only 5 indi...

Kristel Richard / A Retuerta filly and yearling filly standing next to a Retuerta mare, Palacio scientific reserve in the Donana National Park, in Andalusia, in Spain This breed of horse was close to extinction in the...

Kristel Richard / A herd of Retuerta mares and colt in Palacio scientific reserve, the Donana National Park, in Andalusia, in Spain. This breed of horse was close to extinction in the 1990s with only 5 individuals left...

Kristel Richard / Two Retuerta mares with a colt, standing, in Palacio scientific reserve, Donana National Park, Andalusia, Spain. This breed of horse was close to extinction in the 1990s with only 5 individuals left,...

Kristel Richard / Retuerta colt approaching a sleeping Retuerta filly, Coto, Palacio scientific reserve, Donana National Park, Andalusia, Spain. This breed of horse was close to extinction in the 1990s with only 5 indi...

David Tipling / 2020VISION / European hare (Lepus europaeus) in set aside field seeded with Corn Marigolds (Chrysanthemum segetum), Norfolk, England, UK, September. Did you know? The first time Hares were bred in captivity was 19...

Roland Seitre / Black-handed Spider Monkey (Ateles geoffroyi) walking across branch with curled tail. These monkeys have been captively bred and are being prepared for release into their natural forest habitat. Zoo A...

Roland Seitre / Black-handed Spider Monkey (Ateles geoffroyi) mother resting with baby on back. These monkeys have been captively bred and are being prepared for release into their natural forest habitat. Zoo Ave, Sa...

Roland Seitre / Black-handed Spider Monkey (Ateles geoffroyi) mother climbing with baby on back. These monkeys have been captively bred and are being prepared for release into their natural forest habitat. Zoo Ave, S...

Roland Seitre / Black-handed Spider Monkeys (Ateles geoffroyi) climbing around feeding barrel. These monkeys have been captively bred and are being prepared for release into their natural forest habitat. Zoo Ave, San...

Roland Seitre / Black-handed Spider Monkey (Ateles geoffroyi) hanging from ropes. These monkeys have been captively bred and are being prepared for release into their natural forest habitat. Zoo Ave, San Jose, Costa...

Roland Seitre / Black-handed Spider Monkey (Ateles geoffroyi) hanging from ropes. These monkeys have been captively bred and are being prepared for release into their natural forest habitat. Zoo Ave, San Jose, Costa...

Roland Seitre / Black-handed Spider Monkey (Ateles geoffroyi) hanging from ropes. These monkeys have been captively bred and are being prepared for release into their natural forest habitat. Zoo Ave, San Jose, Costa...

Roland Seitre / Black-handed Spider Monkey (Ateles geoffroyi) hanging from ropes. These monkeys have been captively bred and are being prepared for release into their natural forest habitat. Zoo Ave, San Jose, Costa...

Roland Seitre / Black-handed Spider Monkey (Ateles geoffroyi) hanging from branches. These monkeys have been captive bred and are being prepared for release into their natural forest habitat. Zoo Ave, San Jose, Costa...

Roland Seitre / Matthias Reinschmidt, Curator of La Vera Breeding Station at Loro Parque, Tenerife, Canary Islands with a captive bred Spix's macaw (Cyanopsitta spixii)

Roland Seitre / Mauricio and Adriana dos Santos with a captive bred Spix's macaw (Cyanopsitta spixii), critically endangered species, site of the first attempts to breed Spix's macaw after their extinction in the wil...

Alex Hyde / Death's head hawkmoth caterpillar (Acherontia atropos) on twig, UK. Captive bred.

Andy Rouse / Osprey (Pandion haliaetus) male 'Monty' on perch. Dyfi Estuary, Wales, August. It is the first time ospreys have bred at this location for 400 years.

Andy Rouse / Osprey (Pandion haliaetus) female in flight. The bird is wearing a radio tracker. Dyfi Estuary, Wales, August. It is the first time ospreys have bred at this location for 400 years.

Andy Rouse / Osprey (Pandion haliaetus) female 'Nora' landing with fish in its claws. Dyfi Estuary, Wales, August. It is the first time ospreys have bred at this location for 400 years.

Andy Rouse / Osprey (Pandion haliaetus) female 'Nora' landing with fish in its claws. Dyfi Estuary, Wales, August. It is the first time ospreys have bred at this location for 400 years.

Andy Rouse / Osprey (Pandion haliaetus) young male 'Einion' in flight. The birds are wearing radio trackers. Dyfi Estuary, Wales, August. It is the first time ospreys have bred at this location for 400 years.

Andy Rouse / Osprey (Pandion haliaetus) young male 'Einion' carrying fish while flying over its sibling. The bird is wearing a radio tracker. Dyfi Estuary, Wales, August. It is the first time ospreys hav...

Andy Rouse / Osprey (Pandion haliaetus) in flight. Dyfi Estuary, Wales, August. It is the first time ospreys have bred at this location for 400 years.

Andy Rouse / Osprey (Pandion haliaetus) male 'Monty' diving with claws outstretched. Dyfi Estuary, Wales, August. Sequence 2 of 2. It is the first time ospreys have bred at this location for 400 years.

Andy Rouse / Osprey (Pandion haliaetus) male 'Monty' diving with claws outstretched. Dyfi Estuary, Wales, August. Sequence 1 of 2. It is the first time ospreys have bred at this location for 400 years.

Andy Rouse / Osprey (Pandion haliaetus) female 'Nora' in flight against a blue sky. Dyfi Estuary, Wales, August. It is the first time ospreys have bred at this location for 400 years.

Andy Rouse / Osprey (Pandion haliaetus) young male 'Einion' carrying fish while flying. The bird is wearing a radio tracker. Dyfi Estuary, Wales, August. It is the first time ospreys have bred at this lo...

Alex Hyde / Death's head hawkmoth (Acherontia atropos). Captive bred in the UK.

Alex Hyde / Cocoon of Emperor moth (Saturnia pavonia). Captive bred in the UK.

Alex Hyde / Death's head hawkmoth (Acherontia atropos). Captive bred in the UK.

Alex Hyde / Imperial / Emperor / Giant African scorpion (Pandinus imperator). Captive bred.

Alex Hyde / Leaf insect female (Phyllium siccifolium), showing leaf-mimicry camouflage. Captive bred.

Alex Hyde / Chrysalis of Japanese owl moth (Brahmaea wallichii japonica). Captive bred.

Alex Hyde / Leaf insect male (Phyllium siccifolium), showing leaf-mimicry camouflage. Captive bred.

Kristel Richard / Domestic horse, black pure bred Arab stallion running in a field, Morocco, June 2010

Kristel Richard / Domestic horse, black pure bred Arab stallion running in a field, Morocco, June 2010

Kristel Richard / Domestic horse, black pure bred Arab stallion running in a field, Morocco, June 2010

Kristel Richard / A young woman rides a grey pure bred Arab stallion in Morocco, June 2010

David Kjaer / Great Bustard (Otis tarda) female on Salisbury Plain with chick, the first to be bred in the wild in the UK for 177 years - part of a reintroduction project with birds imported under DEFRA licence fro...

Adrian Davies / Swallowtail Butterfly (Papilio machaon) Captive bred specimen. Found throughout Europe and N Africa except the UK where it is restricted to a very small part of East England in Norfolk Broads.

Adrian Davies / Swallowtail Butterfly (Papilio machaon) Captive bred specimen. Found throughout Europe and N Africa except the UK where it is restricted to a very small part of East England in Norfolk Broads.

Adrian Davies / Pine Hawk Moth (Sphinx pinastri) at rest on Pine tree trunk. Captive bred specimen. Widespread throughout England and Wales.

Adrian Davies / Pine Hawk Moth (Sphinx pinastri) at rest on Pine tree branch. Captive bred specimen. Widespread throughout England and Wales.

Adrian Davies / Pine Hawk Moth (Sphinx pinastri) at rest on Pine tree branch. Captive bred specimen. Widespread throughout England and Wales.

Adrian Davies / Pine Hawk Moth (Sphinx pinastri) at rest on Pine tree branch. Captive bred specimen. Widespread throughout England and Wales.

Adrian Davies / Southern Festoon Butterfly (Zerynthia polyxena) at rest on foliage. Captive bred specimen. Found throughout SE Europe.

Adrian Davies / Southern Festoon Butterfly (Zerynthia polyxena) profile view. Captive bred specimen. Found throughout SE Europe.

Adrian Davies / Southern Festoon Butterfly (Zerynthia polyxena) profile view. Captive bred specimen. Found throughout SE Europe.

Adrian Davies / Southern Festoon Butterfly (Zerynthia polyxena) at rest on leaves. Captive bred specimen. Found throughout SE Europe.

Adrian Davies / Southern Festoon Butterfly (Zerynthia polyxena) at rest on leaves. Captive bred specimen. Found throughout SE Europe.

Adrian Davies / Southern Festoon Butterfly (Zerynthia polyxena) at rest on leaves. Captive bred specimen. Found throughout SE Europe.

Robert Thompson / Death's head hawkmoth (Acherontia atropos) Crete, Captive bred from larva,

Tui De Roy / Saddleback Galapagos Tortoise (Chelonoidis nigra hoodensis) captive-bred young awaiting release back onto their islands of origin, Galapagos Islands, Ecuador

Tui De Roy / Saddleback Galapagos Tortoise (Chelonoidis nigra hoodensis) captive-bred hatchling emerging from egg, Galapagos Islands, Ecuador

Tui De Roy / Saddleback Galapagos Tortoise (Chelonoidis nigra hoodensis) captive-bred hatchlings emerging from eggs, Galapagos Islands, Ecuador

Tui De Roy / Saddleback Galapagos Tortoise (Chelonoidis nigra hoodensis) captive-bred young are measured and branded in preparation for release back onto their islands of origin, Galapagos Islands, Ecuador

Tui De Roy / Saddleback Galapagos Tortoise (Chelonoidis nigra hoodensis) captive-bred hatchling emerging from egg, Galapagos Islands, Ecuador

Tui De Roy / Saddleback Galapagos Tortoise (Chelonoidis nigra hoodensis) captive-bred young awaiting release back onto its island of origin, Galapagos Islands, Ecuador

David Kjaer / Female Great bustard (Otis tarda) feeding chick (the first to be bred in the wild in the UK for 177 years) part of a reintroduction project with birds imported from Russia, Salisbury Plain, UK, June...

Juan Carlos Munoz / Young calves bred for Spanish fighting bulls (Toros bravos) Sevilla, Andalucía, Spain, March 2008

Steve Knell / Eagle owl (Bubo bubo) in flight, Captive bred, Gloucestershire, UK, April

Graham Eaton / White tailed sea eagle (Haliaeetus albicilla) portrait, captive bred bird, UK, September

Graham Eaton / White tailed sea eagle (Haliaeetus albicilla) portrait, captive bred bird, UK, September

Graham Eaton / White tailed sea eagle (Haliaeetus albicilla) portrait, captive bred bird, UK, September