Juergen Freund / Wildlife carer wrapping a Spectacled flying fox (Pteropus conspicillatus) baby in blankets, Tolga Bat Hospital, Queensland, Australia.

Juergen Freund / Tolga Bat Hospital volunteer handing Little red flying fox (Pteropus scapulatus) baby as it flaps her wings, Tolga Bat Hospital, Atherton Tablelands, Queensland, Australia. May 2015. Second Place in t...

Juergen Freund / Tolga Bat Hospital director Jenny Maclean rescuing, Spectacled flying fox (Pteropus conspicillatus) caught in barbed wire fence. Atherton Tablelands, Queensland, Australia. April 2015. Second Place i...

Juergen Freund / Tolga Bat Hospital volunteer with Little red flying fox (Pteropus scapulatus) crawling over shoulder. Tolga Bat Hospital, Atherton Tablelands, Queensland, Australia. August 2014. Second Place in the M...

Juergen Freund / Spectacled flying fox (Pteropus conspicillatus) babies or bubs wrapped in cloth in the nursery at Tolga Bat Hospital, North Queensland, Australia, November 2012

Juergen Freund / Spectacled flying fox (Pteropus conspicillatus) babies or bubs wrapped in cloth and teats in mouths ready for feeding in the nursery at Tolga Bat Hospital, North Queensland, Australia, November 2012

Juergen Freund / Spectacled flying fox (Pteropus conspicillatus) casualty of paralytic tick (Ixodes holocyclus) bite being cared for on site of colony by Jenny Mclean, North Queensland, Australia, November 2012

Juergen Freund / Crate of Spectacled flying fox (Pteropus conspicillatus) babies just arrived by plane from Brisbane after months of care, ready to be returned to the Tolga Bat Hospital for release back to the wild, A...

Juergen Freund / Spectacled flying fox (Pteropus conspicillatus) babies swaddled in cloth ready to sleep, Tolga Bat Hospital, Atherton, North Queensland, Australia. January 2008.

Oscar Dewhurst / Great bittern (Botaurus stellaris) roosting in reedbed with Charing Cross hospital behind. London, UK. January

David Perpinan / Old wound caused by entanglement with fishing lines or nets in a Loggerhead sea turtle (Caretta caretta). Animal under rehabilitation. Spain. January 2013.

David Perpinan / Eastern box turtle (Terrapene carolina) wild animal with carapacial fracture from a lawn mower. This is a common problem in wild box turtles from semi-urban areas. Small repro only.

David Perpinan / Cloacal prolapse in a captive, juvenile Savannah monitor lizard (Varanus exanthematicus). small repro only

David Perpinan / Loggerhead sea turtle (Caretta caretta) juvenile with severe malformation due to inadequate feeding (excessive protein). Small repro only.

David Perpinan / Loggerhead sea turtle (Caretta caretta) under rehabilitation getting ready for a radiograph. Rehabilitation centre, Georgia, United States Small repro only

Juergen Freund / Wildlife carer wrapping a Spectacled flying fox (Pteropus conspicillatus) baby in blankets, with three other orphans wrapped up nearby, Tolga Bat Hospital, Queensland, Australia.

Juergen Freund / Four orphaned Spectacled flying fox (Pteropus conspicillatus) babies wrapped in blankets with pacifiers, Tolga Bat Hospital, Queensland, Australia.

Suzi Eszterhas / Vet with koala (Phascolarctos cinereus) male sick with chlamydia, Currumbin Wildlife Hospital, Queensland, Australia, captive.

Suzi Eszterhas / Vet with koala (Phascolarctos cinereus) male sick with chlamydia, Currumbin, Wildlife Hospital, Queensland, Australia, captive.

Suzi Eszterhas / Koala (Phascolarctos cinereus), male sick with chlamydia on scale while under anaesthetic. Currumbin Wildlife Hospital, Queensland, Australia, captive.

Suzi Eszterhas / Volunteer holding Josie, an orphaned Koala (Phascolarctos cinereus) aged eleven months, Koala Hospital, Port Macquerie, Australia, Captive.

Suzi Eszterhas / Volunteer holding Josie, an orphaned Koala (Phascolarctos cinereus) aged eleven months, Koala Hospital, Port Macquarie, Australia, Captive.

Suzi Eszterhas / Volunteer with Josie, an orphaned Koala (Phascolarctos cinereus) aged eleven months, Koala Hospital, Port Macquerie, Australia, Captive.

Suzi Eszterhas / Volunteer with Josie, an orphaned koala (Phascolarctos cinereus) joey aged eleven months, Koala Hospital, Port Macquerie, Australia, captive.

Suzi Eszterhas / Koala (Phascolarctos cinereus) juveniles orphaned as babies and now awaiting release, sitting on branch, Koala Hospital, Port Macquerie, Australia, captive.

Suzi Eszterhas / Koala (Phascolarctos cinereus) juvenile orphaned as baby and now awaiting release, Koala Hospital, Port Macquerie, Australia, captive.

SCOTLAND: The Big Picture / Conservationist and veterinarian from The Royal Zoological Society Scotland / RZSS checking live trap with Scottish wildcat (Felis silvestris grampia) inside. In mobile vet unit, Strathsprey, Cairngor...

SCOTLAND: The Big Picture / Vet from The Royal Zoological Society Scotland / RZSS taking a blood sample from a sedated Scottish wildcat (Felis silvestris grampia) male. Inside RZSS mobile vet unit, Strathsprey, Cairngorms Nation...

SCOTLAND: The Big Picture / Scottish wildcat (Felis silvestris grampia) male, sedated and on side for pelage scoring. Inside The Royal Zoological Society Scotland / RZSS mobile vet unit, Strathsprey, Cairngorms National Park, Sc...

SCOTLAND: The Big Picture / Scottish wildcat (Felis silvestris grampia) male, on back to show underside for pelage scoring. Inside The Royal Zoological Society Scotland / RZSS mobile vet unit, Strathsprey, Cairngorms National Pa...

SCOTLAND: The Big Picture / Scottish wildcat (Felis silvestris grampia) male, on back to show underside of chin for pelage scoring. Inside The Royal Zoological Society Scotland / RZSS mobile vet unit, Strathsprey, Cairngorms Na...

SCOTLAND: The Big Picture / Scottish wildcat (Felis silvestris grampia) male, on back to show underside for pelage scoring. Inside The Royal Zoological Society Scotland / RZSS mobile vet unit, Strathsprey, Cairngorms National P...

SCOTLAND: The Big Picture / Scottish wildcat (Felis silvestris grampia) male, on side to show flank for pelage scoring. Inside The Royal Zoological Society Scotland / RZSS mobile vet unit, Strathsprey, Cairngorms National Park,...

SCOTLAND: The Big Picture / Scottish wildcat (Felis silvestris grampia) male, face down for pelage scoring. Inside The Royal Zoological Society Scotland / RZSS mobile vet unit, Strathsprey, Cairngorms National Park, Scotland, UK...

SCOTLAND: The Big Picture / Scottish wildcat (Felis silvestris grampia) male, face down for pelage scoring. Inside The Royal Zoological Society Scotland / RZSS mobile vet unit, Strathsprey, Cairngorms National Park, Scotland, UK...

SCOTLAND: The Big Picture / Scottish wildcat (Felis silvestris grampia) male, face view for pelage scoring. Inside The Royal Zoological Society Scotland / RZSS mobile vet unit, Strathsprey, Cairngorms National Park, Scotland, UK...

SCOTLAND: The Big Picture / Scottish wildcat (Felis silvestris grampia) male, view of head for pelage scoring. Inside The Royal Zoological Society Scotland / RZSS mobile vet unit, Strathsprey, Cairngorms National Park, Scotland,...

SCOTLAND: The Big Picture / Scottish wildcat (Felis silvestris grampia) male, view of tail for pelage scoring. Inside The Royal Zoological Society Scotland / RZSS mobile vet unit, Strathsprey, Cairngorms National Park, Scotland,...

SCOTLAND: The Big Picture / Veterinarian from The Royal Zoological Society Scotland / RZSS checking dental health of sedated Scottish wildcat (Felis silvestris grampia) male. Inside RZSS mobile vet unit, Strathsprey, Cairngorms...

SCOTLAND: The Big Picture / Conservationist from The Royal Zoological Society Scotland / RZSS measuring the size of a Scottish wildcat's (Felis silvestris grampia) testes. Inside RZSS mobile vet unit, Strathsprey, Cairngorms Nat...

SCOTLAND: The Big Picture / Veterinarian and conservationist from The Royal Zoological Society Scotland / RZSS taking and recording measurements relating to sedated Scottish wildcat (Felis silvestris grampia) male. Inside RZSS m...

SCOTLAND: The Big Picture / Veterinarian from The Royal Zoological Society Scotland / RZSS with blood sample from Scottish wildcat (Felis silvestris grampia). To be used for genetic testing. Inside RZSS mobile vet unit, Strathsp...

SCOTLAND: The Big Picture / Conservationists and veterinarian from The Royal Zoological Society Scotland / RZSS taking measurements of a Scottish wildcat (Felis silvestris grampia). Inside RZSS mobile vet unit, Strathsprey, Cair...

SCOTLAND: The Big Picture / Veterinarian from The Royal Zoological Society Scotland / RZSS using a catheter to collect semen for genetic testing from a sedated Scottish wildcat (Felis silvestris grampia). Inside RZSS mobile vet...

Juergen Freund / Freckles the Spectacled flying fox (Pteropus conspicillatus) at the Tolga Bat Hospital, Atherton Tablelands, Queensland, Australia.

Juergen Freund / Little red flying fox (Pteropus scapulatus) babies wrapped in blankets at Tolga Bat Hospital, Queensland, Australia.

Juergen Freund / Diadem Leaf-nosed Bat (Hipposideros diadema reginae) at the Tolga Bat Hospital, Queensland, Australia, June.

Juergen Freund / Tolga Bat Hospital worker washing Spectacled flying fox baby (Pteropus conspicillatus) in a sink at the Tolga Bat Hospital, Queensland, Australia.

Constantinos Petrinos / Detail of the coloured birding ring on a young male Griffon vulture (Gyps fulvus fulvus) shot subsequently treated at the Aegean Wildlife Hospital. This bird was ringed prior to release by WWF Greece,...

Constantinos Petrinos / Young volunteer with male Griffon vulture (Gyps fulvus fulvus) during release. This bird was shot and subsequently treated at the Aegean Wildlife Hospital, and released by WWF Greece. Dadia National...

Constantinos Petrinos / Young volunteer with male Griffon vulture (Gyps fulvus fulvus) during release. This bird shot and subsequently treated at the Aegean Wildlife Hospital, and released by WWF Greece. Dadia National Fore...

Constantinos Petrinos / Young volunteer and woman with male Griffon vulture (Gyps fulvus fulvus) during release. This bird shot and subsequently treated at the Aegean Wildlife Hospital, and released by WWF Greece. Dadia Nat...

Constantinos Petrinos / Young boy holding blind Eurasian stone curlew (Burhinus oedicnemus) whilst founder and director of the Aegean Wildlife Hospital, Mr. Marios Fournaris, feeds it. The bird was shot illegally, is blind...

Constantinos Petrinos / Young boy holding blind Eurasian stone curlew (Burhinus oedicnemus) whilst founder and director of the Aegean Wildlife Hospital, Mr. Marios Fournaris, feeds it. The bird was shot illegally, is blind...

Constantinos Petrinos / Young boy stroking blind Eurasian stone curlew (Burhinus oedicnemus) the bird was shot illegally, is blind and unable to feed, so is cared for in captivity. The Aegean Wildlife Hospital, Paros Island...

Constantinos Petrinos / Founder and director of the Aegean Wildlife Hospital, Mr. Marios Fournari holding blind Eurasian stone curlew (Burhinus oedicnemus). The bird was shot illegally, is blind and unable to feed. The Aege...

Constantinos Petrinos / Founder and director of the Aegean Wildlife Hospital, Mr. Marios Fournari holding blind Eurasian stone curlew (Burhinus oedicnemus). The bird was shot illegally, is blind and unable to feed. The Aege...

Constantinos Petrinos / Founder and director of the Aegean Wildlife Hospital, Mr. Marios Fournaris, assisting a young volunteer at the hospital grounds to release an Eleonora's Falcon (Falco eleonorae) back into the wild. T...

Constantinos Petrinos / Founder and director of the Aegean Wildlife Hospital, Mr. Marios Fournaris, assisting a young volunteer at the hospital grounds to release an Eleonora's Falcon (Falco eleonorae) back into the wild. T...

Constantinos Petrinos / Founder and director of the Aegean Wildlife Hospital, Mr. Marios Fournaris, assisting a young volunteer at the hospital grounds to release an Eleonora's Falcon (Falco eleonorae) back into the wild. T...

Constantinos Petrinos / Aegean Wildlife Hospital sign, Paros Island, Cyclades, Aegean Sea, Mediterranean, Greece. October 2014

Constantinos Petrinos / Main gate of the Aegean Wildlife Hospital with sign. Paros Island, Cyclades, Aegean Sea, Mediterranean, Greece. October 2014

Nick Upton / Keeper placing pills into line-caught Mackerel (Scomber scombrus) about to be fed to Grey seals (Halichoerus grypus) in Cornish Seal Sanctuary hospital, Gweek, Cornwall, UK, January. Model released.

Nick Upton / Stacey Pryor hand-feeding an injured Grey seal pup (Halichoerus grypus) with Mackerel containing medicine, Cornish Seal Sanctuary Hospital, Gweek, Cornwall, UK, January. Model released.

Nick Upton / Seal hospital where injured Grey seal pups (Halichoerus grypus) are treated for injuries and illness after being rescued, Cornish Seal Sanctuary, Gweek, Cornwall, UK, January.

Nick Upton / Grey seal pup (Halichoerus grypus) 'Kerplunk' recovering from an operation to remove a damaged, rotting rear flipper at the Cornish Seal Sanctuary hospital, Gweek, Cornwall, UK, October.

Nick Upton / Dan Jarvis cleaning the operation wounds of a Grey seal pup (Halichoerus grypus) 'Kerplunk' with antiseptic after an operation to remove a damaged, rotting rear flipper, Cornish Seal Sanctuary hospita...

Nick Upton / Partially blind Grey seal pup (Halichoerus grypus) 'One-eyed Jack' learning to find fish for itself in a bowl of seawater in the Cornish Seal Sanctuary hospital, Gweek, Cornwall, UK, October.

Nick Upton / Dan Jarvis leaving fish in a bowl of seawater for a partially blind Grey seal pup (Halichoerus grypus) 'One-eyed Jack' to find for itself in the Cornish Seal Sanctuary hospital, Gweek, Cornwall, UK, O...

Nick Upton / Grey seal pup (Halichoerus grypus) 'One-eyed Jack' wrapped in a towel whilst being hand-fed a fish in a cubicle at the Cornish Seal Sanctuary hospital, Gweek, Cornwall, UK, October. Model released.

Nick Upton / Dan Jarvis hand-feeding fish to a recovering Grey seal pup (Halichoerus grypus) 'Uno' in a small swimming pool in the Cornish Seal Sanctuary hospital, Gweek, Cornwall, UK, October. Model released.

Nick Upton / Carer feeding recovering Grey seal pup (Halichoerus grypus) 'Uno' a fish in a small swimming pool, Cornish Seal Sanctuary hospital,, Gweek, Cornwall, UK, October.

Nick Upton / Recovering Grey seal pup (Halichoerus grypus) 'Uno' in a small swimming pool in the Cornish Seal Sanctuary hospital, Gweek, Cornwall, UK, October.

Nick Upton / Sick, injured Grey seal pup (Halichoerus grypus) 'Boggle' with most of his white baby coat moulted off, recovering after treatment and being weaned onto fish at the Cornish Seal Sanctuary hospital, Gw...

Nick Upton / Dan Jarvis feeds a recovering Grey seal pup (Halichoerus grypus) 'Boggle', now with its white baby coat shed, in a cubicle at the Cornish Seal Sanctuary hospital, Gweek, Cornwall, UK, October. Model r...

Nick Upton / Dan Jarvis feeds a recovering Grey seal pup (Halichoerus grypus) 'Boggle', now with its white baby coat shed, in a cubicle at the Cornish Seal Sanctuary hospital, Gweek, Cornwall, UK, October. Model r...

Nick Upton / Sick, injured Grey seal pup (Halichoerus grypus) 'Boggle' still in his white baby coat, recovering after initial treatment at the Cornish Seal Sanctuary hospital, Gweek, Cornwall, UK, October. Model r...

Nick Upton / Sick, injured Grey seal pup (Halichoerus grypus) 'Boggle', released into a cubicle in the Cornish Seal Sanctuary hospital by Reychell Harris, Gweek, Cornwall, UK, October. Model released.

Nick Upton / Dan Jarvis wrapping a recovering Grey seal pup (Halichoerus grypus) 'Boggle', now with its white baby coat shed, in a towel before feeding it in a cubicle at the Cornish Seal Sanctuary hospital, Gweek...

Nick Upton / Sick, injured Grey seal pup (Halichoerus grypus) 'Boggle', still with its white baby coat, safely wrapped in a towel to be treated in a cubicle at the Cornish Seal Sanctuary hospital, Gweek, Cornwall,...

Nick Upton / Carers flushing eyes of sick, injured Grey seal pup (Halichoerus grypus) 'Boggle' flushed with saline solution, Cornish Seal Sanctuary hospital, Gweek, Cornwall, UK, October. Model released.

Nick Upton / Dan Jarvis offering a Grey seal pup (Halichoerus grypus) 'Kerplunk' a fish as it recovers from an operation to remove a damaged, rotting rear flipper, Cornish Seal Sanctuary hospital, Gweek, Cornwall,...

Juergen Freund / Tolga Bat Hospital volunteer handling Little red flying foxes (Pteropus scapulatus) babies wrapped in nappies cuddling a pillow and sucking on pacifier. Tolga Bat Hospital, Atherton Tablelands, Queens...

Pete Oxford / Guard distributing confiscated bushmeat at hospital near Makoua, Republic of Congo (Congo-Brazzaville), Africa, June 2013.

Roland Seitre / Little red flying fox (Pteropus scapulatus) colony captive in Tolga Bat Hospital, Queensland, Australia. Native to northern and eastern Australia.

Roland Seitre / Yellow-bellied Sheathtailed Bat (Saccolaimus flaviventris) portrait, captive at Tolga Bat Hospital, Atherton, Queensland, Australia.

Roland Seitre / Yellow-bellied Sheathtailed Bat (Saccolaimus flaviventris) portrait, captive at Tolga Bat Hospital, Atherton, Queensland, Australia.

Roland Seitre / Yellow-bellied Sheathtailed Bat (Saccolaimus flaviventris) portrait, captive at Tolga Bat Hospital, Atherton, Queensland, Australia.

Roland Seitre / Yellow-bellied Pouched Bat (Saccolaimus flaviventris), Tolga Bat Hospital, Atherton, Queensland, Australia

Suzi Eszterhas / Koala (Phascolarctos cinereus) sick with KoRv retrovirus being held by Hospital Manager Patricia Swift, Currumbin Wildlife Hospital, Queensland, Australia

Ann & Steve Toon / Elephant Population Management Program surgeon Dr Dean Hendrickson, director of Colorado State University Veterinary Teaching Hospital makes ID notch in vasectomised wild elephant bull (Loxodonta afr...

Ann & Steve Toon / Elephant Population Management Program surgeon Dr Johan Marais, left, of the University of Pretoria's Faculty of Veterinary Science assisted by Dr Dean Hendrickson, director of Colorado State Universi...

Roland Seitre / Short-beaked Echidna (Tachyglossus aculeatus), Currumbin Wildlife Hospital, Queensland, Australia

Roland Seitre / Short-beaked Echidna (Tachyglossus aculeatus), Currumbin Wildlife Hospital, Queensland, Australia

Suzi Eszterhas / Koala (Phascolarctos cinereus) sick with KoRV retrovirus climbing an artificial tree near hospital manager Patricia Swift, Currumbin Wildlife Hospital, Queensland, Australia

Suzi Eszterhas / Koala (Phascolarctos cinereus) koala with KoRv retrovirus being examined by hospital manager Patricia Swift, Currumbin Wildlife Hospital, Queensland, Australia