Doug Gimesy / Grey-headed flying-fox (Pteropus poliocephalus), orphaned female pup sucking on a dummy, cradled on "mamma roll"; and in hand of wildlife carer. Black Rock Animal Shelter, Beaumaris, Melbourne, Victor...

Doug Gimesy / Wildlife carer Julie Malherbe looking after three recently orphaned Grey-headed Flying-foxes (Pteropus poliocephalus) in her home whilst simultaneously taking phone calls to manage the next wildlife r...

Neil Aldridge / Five orphaned White rhinoceros (Ceratotherium simum) calves feed from a trough at dusk at the Rhino Revolution orphanage near Hoedspruit, South Africa. The mothers of these rhinos were killed by poach...

Suzi Eszterhas / Chinese pangolin (Manis pentadactyla), orphaned baby in arms of research assistant. Taipei Zoo, Taipei, Taiwan. 2015. Captive. Model released.

Colin Seddon / Orphaned European river otter (Lutra lutra) cub on towel in care, UK

Lisa Hoffner / Four orphaned Elephants (Loxodonta africana). David Sheldrick Wildlife Trust Nairobi Elephant Nursery, Kenya, August 2008.

Angelo Gandolfi / Red Fox (Vulpes vulpes) orphaned cub (called Rena) sitting in living room, alongside two domestic cats.

Angelo Gandolfi / Red Fox (Vulpes vulpes) portrait of orphaned cub (called Rena) feeding on raspberries.

Angelo Gandolfi / Red Fox (Vulpes vulpes) orphaned cub (called Rena) feeding alongside two domestic cats.

Ingo Arndt / Orphan one-week-old Hedgehog baby {Erinaceus europaeus} Germany

Martha Holmes / Chimpanzee {Pan troglodytes} hand on bar of cage.

Colin Seddon / Hedgehog, orphaned 8-day-old baby being fed from syringe

Anup Shah / Orphaned female chimpanzee (right) holds male's hand and smiles showing bottom teeth (Pan troglodytes) Sweetwater Sanctuary, Kenya, East Africa

Anup Shah / Chimpanzee {Pan troglodytes} orphaned 2 year old juvenile, resting against branch, Sweetwater Sanctuary, Kenya

Anup Shah / Portrait of of juvenile orphaned Chimpanzee {Pan troglodytes}, 2 year old Naika, Sweetwater Sanctuary, Kenya, captive

TOM MANGELSEN / Siberian Tiger cub, orphaned (Panthera tigris altaica)

TOM MANGELSEN / Siberian Tiger cub orphan (Panthera tigris altaica) Omaha Zoo, Nebraska

Jaymi Heimbuch / African Elephant (Loxodonta africana) orphaned calves with keeper, David Sheldrick Wildlife Trust, Nairobi, Kenya

Jaymi Heimbuch / African Elephant (Loxodonta africana) orphaned calf bottle fed by keeper, David Sheldrick Wildlife Trust, Nairobi, Kenya

Suzi Eszterhas / Common Wombat (Vombatus ursinus) seven month old orphaned joey at feeding time, Bonorong Wildlife Sanctuary, Tasmania, Australia

Suzi Eszterhas / Common Wombat (Vombatus ursinus) foster mother, Linda Tabone, bottle feeding six month old orphaned joey, Bonorong Wildlife Sanctuary, Tasmania, Australia

Suzi Eszterhas / Common Wombat (Vombatus ursinus) five month old orphaned joey with pacifier in mouth, Bonorong Wildlife Sanctuary, Tasmania, Australia

Suzi Eszterhas / Sea Otter (Enhydra lutris) orphaned pup, three weeks old, Alaska SeaLife Center, Seward, Alaska

Suzi Eszterhas / Sea Otter (Enhydra lutris) three week old orphaned pup being bottle-fed, Alaska SeaLife Center, Seward, Alaska

Suzi Eszterhas / Sea Otter (Enhydra lutris) three week old orphaned pup holding caretaker finger, Alaska SeaLife Center, Seward, Alaska

Suzi Eszterhas / Sea Otter (Enhydra lutris) caretaker, Deanna Troeauga, bottle-feeding three week old orphaned pup, Alaska SeaLife Center, Seward, Alaska

Suzi Eszterhas / Sea Otter (Enhydra lutris) three week old orphaned pup playing with toy, Alaska SeaLife Center, Seward, Alaska

Suzi Eszterhas / Sea Otter (Enhydra lutris) stranding supervisor, Halley Werner, carrying three week old orphaned pup, Alaska SeaLife Center, Seward, Alaska

Suzi Eszterhas / Sea Otter (Enhydra lutris) three week old orphaned pup, Alaska SeaLife Center, Seward, Alaska

Suzi Eszterhas / Sea Otter (Enhydra lutris) three week old orphaned pup playing with toy, Alaska SeaLife Center, Seward, Alaska

Suzi Eszterhas / Sea Otter (Enhydra lutris) three week old orphaned pup being bottle-fed, Alaska SeaLife Center, Seward, Alaska

Suzi Eszterhas / Sea Otter (Enhydra lutris) three week old orphaned pup floating in bucket, Alaska SeaLife Center, Seward, Alaska

Gerry Ellis / African Elephant (Loxodonta africana) orphaned baby Mwega playing at mud bath, David Sheldrick Wildlife Trust, Tsavo East National Park, Kenya

Doug Gimesy / Orphaned rescued baby koala in care (Phascolarctos cinereus) holds onto a toy koala. Kangaroo Island, South Australia, Australia. January.

Doug Gimesy / Wildlife carer looks after three recently orphaned Grey-headed flying-foxes (Pteropus poliocephalus) in her home whilst simultaneously taking phone calls to manage the next wildlife rescue. Capti...

Sirachai Arunrugstichai / Caretaker from the 'Dugong Guards', a local volunteer group holding 'Marium', an orphaned Dugong (Dugong dugon) that was rescued from stranding, Koh Libong Island, Trang Province, Thai...

Sirachai Arunrugstichai / Orphaned Dugong (Dugong dugon) named 'Marium' that was rescued from stranding for rehabilitation feeding seagrass from caretaker. Raised in wild in natural seagrass bed at Koh Libong Island, T...

Sirachai Arunrugstichai / Orphaned Dugong (Dugong dugon) named Marium that was rescued from stranding for rehabilitation feeds on formula milk given by a caretaker while being raised in the wild without captivity. In the natur...

Suzi Eszterhas / Striped skunk (Mephitis mephitis) kit aged one month in hand of carer, orphaned in road collision. Sarvey Wildlife Care Center, Arlington, Washington, USA. June 2015.

Suzi Eszterhas / Striped skunk (Mephitis mephitis) kit aged one month in hand of carer, orphaned in road collision. Sarvey Wildlife Care Center, Arlington, Washington, USA. June 2015.

Doug Gimesy / Two orphaned and rescued male baby bare-nosed wombats (Vombatus ursinus) named 'Bronson' and 'Landon' snuffling dirt and chewing grass that has been placed in their cot. Temporarily ca...

Doug Gimesy / Bare-nosed wombat (Vomabtus ursinus) rescued male babies, aged 8 and 9 months named Bronson and Landon -in their cot, snuffling dirt and chewing grass that has been placed in their for them. They bec...