Philippe Clement / Viviparous lizard (Lacerta / Zootoca vivipara) sunning on boardwalk, Belgium

Andy Sands / Common / Viviparous Lizard (Lacerta vivipara) juvenile basking on wooden boardwalk, Surrey, England, UK

David Kjaer / Common / Viviparous Lizard (Lacerta vivipara) Wiltshire, UK

David Kjaer / Common or Viviparous Lizard (Lacerta vivipara) sunning on rock with end of tail missing, Wiltshire, England

SINCLAIR STAMMERS / Viviparous / Common lizard (lacerta vivipara) with healing tail injury

Paul Hobson / Viviparous Lizard (Lacerta vivipara), green variety on dead bark, Peak District NP, UK

Paul Hobson / Viviparous Lizard (Lacerta vivipara), green variety on moss, Peak District NP, UK

Tony Phelps / Viviparous lizard, new born emerging from pellicle (Lacerta / Zootoca vivipara) Purbeck, Dorset, UK

Piotr Naskrecki / Western Nimba Toad (Nimbaphrynoides occidentalis) unique among amphibians to give birth to live, fully formed young toads, allowing it to survive in environments with unpredictable availability of wat...

Tony Phelps / Viviparous lizard male {Lacerta / Zootoca vivipara} Surrey, UK

David Kjaer / Viviparous lizard male {Lacerta vivipara} Wiltshire, UK

Geoff Simpson / Viviparous lizard {Lacerta vivipara} Peak District NP, Derbyshire, UK

Tony Phelps / Smooth snake {Coronella austriaca} eating Viviparous lizard {Lacerta vivipara} UK

Tony Phelps / Smooth snake {Coronella austriaca} eating Viviparous lizard {Lacerta vivipara} UK

Tony Phelps / Viviparous lizard newborn enclosed in pellicle {Lacerta / Zootoca vivipara}, Dorset, UK

Geoff Simpson / Viviparous lizard {Lacerta vivipara} Peak District NP, Derbyshire, UK

Ross Hoddinott / Common / Viviparous lizard {Lacerta vivipara} portrait, Bradworthy, Devon, UK.

David Shale / Deep sea fish (Aphyonus sp) collected from the mid-Atlantic Ridge from a depth of between 1750 and 3000m. Members of this group are viviparous. Only 3rd specimen collected from the Atlantic.

Ross Hoddinott / Common lizard (Lacerta vivipara). Pregnant female? Cornwall, UK

Ross Hoddinott / Common / Viviparous lizard (Lacerta vivipara) Pregnant female? Cornwall, UK

Kim Taylor / Viviparous lizard {Lacerta vivipara} eating a Meadow spider. Captive, UK.

Solvin Zankl / Viviparous lizard {Lacerta vivipara} captive

Solvin Zankl / Viviparous lizard {Lacerta vivipara} captive

Solvin Zankl / Viviparous lizard {Lacerta vivipara} captive

Michael Hutchinson / Close up of tail of Viviparous lizard {Lacerta vivipara} Somerset, UK.

Michael Hutchinson / Viviparous lizard shedding skin {Lacerta vivipara} Somerset, UK.

Michael Hutchinson / Viviparous lizard {Lacerta vivipara} Somerset, UK.

Michael Hutchinson / Viviparous lizard, melanistic morph {Lacerta vivipara} Somerset, UK.

Michael Hutchinson / Viviparous lizard {Lacerta vivipara} Somerset, UK.

Michael Hutchinson / Viviparous lizard, two colour morphs {Lacerta vivipara} Somerset, UK.

Michael Hutchinson / Juvenile Viviparous lizard basking {Lacerta vivipara} Somerset, UK.

Michael Hutchinson / Viviparous lizard, green morph {Lacerta vivipara} Somerset, UK.

Michael Hutchinson / Viviparous lizard {Lacerta vivipara} Somerset, UK.

PREMAPHOTOS / Viviparous leaf beetle giving birth to live young (Eugonycha sp) Brazil

Michael Hutchinson / Vivaparous lizard in grass {Lacerta vivipara} Somerset, England

Philippe Clement / Viviparous lizard {Lacerta vivipara} Luxembourg

John Cancalosi / Viviparous / Common lizard portrait {Lacerta vivipara} UK

Ross Hoddinott / Viviparous / Common lizard {Lacerta vivipara} Cornwall, UK

Geoff Simpson / Common / Viviparous lizard {Lacerta vivipara} Derbyshire Dales, England

David Kjaer / Viviparous (Common) lizard portrait {Lacerta vivipara} Wiltshire, UK

David Kjaer / Viviparous (Common) lizard portrait {Lacerta vivipara} Wiltshire, UK

Philippe Clement / Viviparous lizard {Lacerta vivipara} Luxembourg

Paul Hobson / Viviparous lizard on gritstone England, South Yorkshire

Andrew Cooper / Viviparous / common lizard on wall (Lacerta vivipara) Devon, UK

Tony Phelps / Adder giving birth to live young {Vipera berus} late summer, Purbeck, Dorset, UK

Tim Edwards / Viviparous lizard (Lacerta vivipara) on rusted metal sheet

Robert Valentic / Northern death adder snake giving birth {Acanthophis praelongus} NT, Australia

Robert Valentic / Northern death adder newborn snakes in birth sac {Acanthophis praelongus} NT,

Geoff Simpson / Viviparous lizard {Lacerta vivipara} Peak District NP, UK Derbyshire

David Kjaer / Viviparous lizard male {Lacerta vivipara} Wiltshire, UK

Ashley Cooper / Common lizard (Zootoca vivipara) with missing tail, portrait, Foulshaw Moss Nature Reserve, Cumbria, UK. June.

Ashley Cooper / Common lizard (Zootoca vivipara) basking on a plank of wood, Foulshaw Moss Nature Reserve, Cumbria, UK. June.

SCOTLAND: The Big Picture / Two Common lizards (Zootoca vivipara) face to face on a rock, Scotland, UK. September.

Robin Chittenden / Common lizard (Zootoca vivipara) resting on wood, Strumpshaw Fen, Norfolk, UK. August.

Ross Hoddinott / Common lizard (Lacerta vivipara) basking on log, close-up of head, Meeth Quarry, Devon, UK.

Alex Hyde / Common Lizard (Zootoca vivipara) basking on lichen-covered tree stump. Peak District National Park, Derbyshire, UK. August.

Franco Banfi / Black brotula (Olipogus ater) Mitigliano Cave, Punta Campanella Marine Protected Area, Costa Amalfitana, Italy, Tyrrhenian Sea, Mediterranean.

Nick Upton / Masked oxeye aphid (Macrosiphoniella subterranea) wingless adult of this very rare species in the UK with a newly born nymph on an Oxeye daisy / Marguerite (Leucanthemum vulgare) leaf, RSPB Ham Wall,...

John Cancalosi / Timber rattlesnake (Crotalus horridus) female with newborn young, Pennsylvania, USA. September.

John Cancalosi / Timber rattlesnake (Crotalus horridus) female with newborn young, Pennsylvania, USA. September.

John Cancalosi / Timber rattlesnakes (Crotalus horridus) female with newborn young, Pennsylvania, USA. September.

John Cancalosi / Timber rattlesnake (Crotalus horridus) female with newborn young, Pennsylvania, USA. September.

Jenny E. Ross / Capitate valerian (Valeriana capitata) with Viviparous bistort (Polyganum viviparum), Wrangel Island, Siberia, Chukchi Sea, Russia. August

Tui De Roy / Galapagos cuskeel / Orange brotula (Ogilbia galapagoensis) Acadamy Bay, Santa Cruz Island, Galapagos. Endemic.

Tui De Roy / Blind Cave Fish (Caecogilbia galapagoensis) among floating roots in underground brackish water fissures. Tortuga Bay, Santa Cruz Island, Galapagos

Pascal Kobeh / Eelpout /viviparous blenny (Zoarces viviparus) on the bottom Russia. White Sea.

Pascal Kobeh / Eelpout or viviparous blenny (Zoarces viviparus) on the bottom Russia. White Sea.

Jussi Murtosaari / Viviparous lizard (Zootoca vivipara), Finland, August.

Russell Cooper / Common Lizard (Lacerta vivipara) basking on boardwalk, Thursley Common National Nature Reserve, Surrey, UK, July.