Laurent Geslin / Common / House sparrows {Passer domesticus} being fed by hand in front of Notre Dame, Paris, France.

Mark Carwardine / Amazonian manatee {Trichechus inunguis} calf being fed by hand, Endangered, Captive, Instituto Nacional de Pesquisas da Amazonas, Manaus, Brazil

Petra Wegner / Guinea Pig (Cavia porcellus) black and white short coated, in wooden feeding rack, on garden lawn, being fed carrot. Model rleased

Mark Moffett / Giant Weta (Deinacrida heteracantha) female being fed a carrot by researcher Mike Meades, Little Barrier Island, New Zealand

Doug Gimesy / Injured Grey-headed flying-fox (Pteropus poliocephalus), that was found exhausted and dehydrated, is hand fed fruit whilst kept comfortable and safe in an incubator at wildlife carers Julie Malherbe&a...

Doug Gimesy / Injured Grey-headed flying-fox (Pteropus poliocephalus), that was found exhausted and dehydrated, is hand fed fruit whilst kept comfortable and safe in an incubator at wildlife carers Julie Malherbe&a...

David Woodfall / Great Bustard chicks (Otis tarda) fed by man dressed as a surrogate with a puppet hand, Salisbury, Wiltshire, England, UK, July 2017.

David Woodfall / Great Bustard chicks (Otis tarda) fed by man dressed as a surrogate with a puppet hand, Salisbury, Wiltshire, England, UK, July 2017

David Woodfall / Great Bustard chicks (Otis tarda) fed by man dressed as a surrogate with a puppet hand, Salisbury, Wiltshire, England, UK, July 2017.

David Woodfall / Great bustard chicks (Otis tarda) fed by man dressed as a surrogate with a puppet hand, Salisbury, Wiltshire, England, UK, July 2017.

David Woodfall / Great bustard chicks (Otis tarda) fed by man dressed as a surrogate, with a puppet hand, Salisbury, Wiltshire, England, UK, July 2017.

Neil Aldridge / A young orphaned Temminck's ground pangolin (Smutsia temminckii) is hand-fed with cat milk at the Rhino Revolution facility in South Africa. This pangolin was found abandoned after its mother was...

Neil Aldridge / Temminck's ground pangolin (Smutsia temminckii) hand-fed with cat milk at the Rhino Revolution facility in South Africa. This pangolin was found abandoned after its mother was taken by poachers.

Neil Aldridge / Red fox (Vulpes vulpes) tiny cub is hand-fed at a veterinary practice after being found abandoned by its mother at only a few days old. London, England, UK, March 2014. Winner of the Portfolio Categor...

Suzi Eszterhas / Townsend's Chipmunk (Tamias townsendii) four week old orphaned baby being fed, Sarvey Wildlife Care Center, Arlington, Washington

Nick Upton / Orphaned House martin chick (Delichon urbicum) being hand fed with insect food by Judith Wakelam in her home, Worlington, Suffolk, UK, July. Model released.

Nick Upton / Orphaned Common swift chick (Apus apus) on human hand during release, after being fostered and fed with insects until ready to fly by Judith Wakelam at her home, Worlington, Suffolk, UK, July. Model r...

Nick Upton / Orphaned Common swift chick (Apus apus) hand fed with a cricket by Judith Wakelam in her home, Worlington, Suffolk, UK, July. Model released.

Nick Upton / Orphaned Common swift chick (Apus apus) hand fed with a cricket by Judith Wakelam in her home, Worlington, Suffolk, UK, July. Model released.

Ann & Steve Toon / Hedgehog (Erinaceus europaeus), orphaned baby feeding, Secret World animal rescue centre, Somerset, UK, June.

Ann & Steve Toon / Feeding orphan baby hedgehog (Erinaceus europaeus), Secret World animal rescue centre, Somerset, UK, June.

Ann & Steve Toon / Feeding orphan baby hedgehog (Erinaceus europaeus), Secret World animal rescue centre, Somerset, UK, June.

Suzi Eszterhas / Koala (Phascolarctos cinereus) orphaned joey aged ten months, hand feeding from syringe. Lone Pine Koala Sanctuary, Australia, captive.

Suzi Eszterhas / Animal Care Staff holding orphaned Koala (Phascolarctos cinereus) aged ten months, Lone Pine Koala Sanctuary, Australia, captive.

Ingo Arndt / Grass dug up for food by Gelada baboons, Simien Mt NP, Ethiopia {Theropithecus gelada}

Philippe Clement / Baby looking at tame Rainbow lorikeet / Swainson's Lorikeet (Trichoglossus moluccanus) - native to Australia - being fed by hand in zoo.

Franco Banfi / Great hammerhead shark (Sphyrna mokarran) being hand fed by a scuba diver, South Bimini, Bahamas. The Bahamas National Shark Sanctuary, West Atlantic Ocean.

Franco Banfi / Great hammerhead shark (Sphyrna mokarran) being hand fed by a scuba diver, South Bimini, Bahamas. The Bahamas National Shark Sanctuary, West Atlantic Ocean.

Franco Banfi / Great hammerhead shark (Sphyrna mokarran) being hand-fed by a scuba diver on the seabed, South Bimini, Bahamas. The Bahamas National Shark Sanctuary, West Atlantic Ocean.

Franco Banfi / Close up of a Great hammerhead shark (Sphyrna mokarran) being hand-fed by a scuba diver on the seabed, South Bimini, Bahamas. The Bahamas National Shark Sanctuary, West Atlantic Ocean. Model released.

Franco Banfi / Close up of a Great hammerhead shark (Sphyrna mokarran) snout and mouth, being hand-fed by a scuba diver on the seabed, South Bimini, Bahamas. The Bahamas National Shark Sanctuary, West Atlantic Ocean...

Franco Banfi / Great hammerhead shark (Sphyrna mokarran) being hand-fed by a scuba diver on the seabed, South Bimini, Bahamas. The Bahamas National Shark Sanctuary, West Atlantic Ocean., South Bimini, Bahamas. The B...

Nick Upton / Rescued abandoned Common pipistrelle bat pup (Pipistrellus pipistrellus) being hand-fed a waxworm, North Devon Bat Care, Barnstaple, Devon, UK, August. Model released

Nick Upton / Rescued abandoned Common pipistrelle bat pup (Pipistrellus pipistrellus) fed from a pipette, North Devon Bat Care, Barnstaple, Devon, UK, August. Model released

Nick Upton / Samantha Pickering holds a rescued, abandoned Brown long-eared bat pup (Plecotus auritus) as it eats a waxworm she has fed it, North Devon Bat Care, Barnstaple, Devon, UK, August. Model released.

Nick Upton / Samantha Pickering holds a rescued, abandoned Brown long-eared bat pup (Plecotus auritus) as it eats a waxworm she has fed it, North Devon Bat Care, Barnstaple, Devon, UK, August. Model released.

Nick Upton / Rescued week-old abandoned Common pipistrelle bat pup (Pipistrellus pipistrellus) held in a hand, being fed with goat's milk from a pipette, North Devon Bat Care, Barnstaple, Devon, UK, June 2016. Mod...

Nick Upton / Rescued week old abandoned Common pipistrelle bat pup (Pipistrellus pipistrellus) being fed with goat's milk from a pipette, North Devon Bat Care, Barnstaple, Devon, UK, June 2016. Model released

Nick Upton / Rescued week-old abandoned Common pipistrelle bat pup (Pipistrellus pipistrellus) held in a hand, being fed with goat's milk from a pipette, North Devon Bat Care, Barnstaple, Devon, UK, June 2016. Mod...

Nick Upton / Rescued week-old abandoned Common pipistrelle bat pup (Pipistrellus pipistrellus) held in a hand after being fed with goat's milk, North Devon Bat Care, Barnstaple, Devon, UK, June 2016.

Nick Upton / Rescued week-old abandoned Common pipistrelle bat pup (Pipistrellus pipistrellus) held in a hand after being fed with goat's milk, North Devon Bat Care, Barnstaple, Devon, UK, June 2016. Model release...

Nick Upton / Rescued week-old abandoned Common pipistrelle bat pup (Pipistrellus pipistrellus) held in a hand after being fed with goat's milk, North Devon Bat Care, Barnstaple, Devon, UK, June 2016. Model release...

Nick Upton / Rescued week-old abandoned Common pipistrelle bat pup (Pipistrellus pipistrellus) held in a hand after being fed with goat's milk, North Devon Bat Care, Barnstaple, Devon, UK, June 2016.

Nick Upton / Rescued week-old abandoned Common pipistrelle bat pup (Pipistrellus pipistrellus) held in a hand after being fed with goat's milk, North Devon Bat Care, Barnstaple, Devon, UK, June 2016. Model release...

Nick Upton / Barbastelle bat (Barbastella barbastellus) a rare bat in the UK, being fed with a mealworm at North Devon Bat Care, Barnstaple, Devon, UK, October 2015. Model released.

Nick Upton / Noctule bat (Nyctalus noctula) being fed with a mealworm at a public outreach event by Samantha Pickering, Boscastle, Cornwall, UK, October. Model released.

Nick Upton / Orphaned young Hedgehog (Erinaceus europaeus) bottle fed with milk at a wild animal rescue centre, Cornwall, UK, October. Model released.

Nick Upton / Orphaned young Hedgehog (Erinaceus europaeus) bottle fed with milk at a wild animal rescue centre, Cornwall, UK, October. Model released.

Suzi Eszterhas / Striped Skunk (Mephitis mephitis) two week old orphaned young being bottle fed milk, WildCare, San Rafael, California

Nick Upton / Keeper Amy Souster feeding blind adult male Grey seal (Halichoerus grypus) 'Marlin' being hand fed a fish by Amy Souster as after lying still to be health checked at the Cornish Seal Sanctuary where h...

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.

Theo Allofs / African Elephant (Loxodonta africana) orphan calf being fed by keeper, David Sheldrick Wildlife Trust, Nairobi, Kenya

Wild Wonders of Europe / Widstrand / European bison (Bison bonasus) fed by hand, Drawsko Military area, Western Pomerania, Poland, February 2014.

Roland Seitre / Giant anteater (Myrmecophaga tridactyla) baby being hand fed during rehabilitation, Brazil. Captive. Vulnerable species.

Roland Seitre / Golden-rumped tamarin (Leontopithecus chrysopygus) captive baby being hand fed, Durrell Wildlife Park, Jersey, UK. Endemic to Brazil.

Mark Taylor / Bulldog puppy with chin on paws, against white background

Suzi Eszterhas / Raccoon (Procyon lotor) orphaned baby being bottle-fed by staff, WildCare Wildlife Rehabilitation Center, San Rafael, California

Cheryl-Samantha Owen / Cape Gannet (Morus capensis) juvenile being fed during hand rearing and rehabilitation at the Southern African Foundation for the Conservation of Coastal Birds (SANCCOB). Cape Town, South Africa. May...

Thomas Marent / Brown-breasted Hedgehog (Erinaceus europaeus) baby being fed milk, Switzerland

Cheryl-Samantha Owen / African penguin (Spheniscus demersus) being fed, part of Chick Bolstering Project, Southern African Foundation for the Conservation of Coastal Birds (SANCCOB), South Africa captive, May 2012

Laurent Geslin / Grey squirrel {Sciurus carolinensis} being fed by hand in an urban park, London, UK

Diane McAllister / Japanese Macaque (Macaca fuscata) positioned on the edge of the hot springs with head on rock, paw under chin, staring, Jigokudani, Japan, January

Juergen Freund / Mareeba rock-wallaby (Petrogale mareeba) baby hand fed with oats Queensland, Australia, September 2012

Franco Banfi / Beluga whales (Delphinapterus leucas) being hand fed by Maria the trainer, Arctic circle Dive Center, White Sea, Karelia, northern Russia, March 2010, captive

Franco Banfi / Beluga whales (Delphinapterus leucas) being hand fed by Maria the trainer, Arctic circle Dive Center, White Sea, Karelia, northern Russia, March 2010, captive

Mark Carwardine / Amazonian manatee {Trichechus inunguis} calf being fed by hand, Endangered, Captive, Instituto Nacional de Pesquisas da Amazonas, Manaus, Brazil

Mark Carwardine / Keiko, Killer whale star of Free Willy, fed by handler, Oregon, USA {Orcinus orca}

Cheryl-Samantha Owen / Black footed penguin (Spheniscus demersus) being hand fed rehydration liquid at the Southern African Foundation for the Conservation of Coastal Birds (SANCCOB) Cape Town, South Africa 2011

Cheryl-Samantha Owen / Black footed penguin (Spheniscus demersus) being hand fed as part of rehabilitation at Southern African Foundation for the Conservation of Coastal Birds (SANCCOB), Cape Town, South Africa 2011

Cheryl-Samantha Owen / Black footed penguin (Spheniscus demersus) being hand fed as part of eehabilitation at Southern African Foundation for the Conservation of Coastal Birds (SANCCOB) Cape Town, South Africa

Juergen Freund / Spectacled flying fox (Pteropus conspicillatus) babies swaddled in cloth ready to sleep, being hand fed by wildlife volunteer carer Ashleigh Johnson, Tolga Bat Hospital, Atherton, North Queensland, Au...

Juergen Freund / Spectacled flying fox (Pteropus conspicillatus) babies swaddled in cloth ready to sleep, being hand fed by wildlife volunteer carer Ashleigh Johnson, Tolga Bat Hospital, Atherton, North Queensland, Au...

Juergen Freund / Spectacled flying fox (Pteropus conspicillatus) babies swaddled in cloth ready to sleep, being hand fed by wildlife volunteer carer Ashleigh Johnson, Tolga Bat Hospital, Atherton, North Queensland, Au...

Juergen Freund / Spectacled flying fox (Pteropus conspicillatus) babies swaddled up in cloth ready to sleep, whilst being hand fed by wildlife volunteer carer Ashleigh Johnson, Tolga Bat Hospital, Atherton, North Quee...

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

Juergen Freund / Spectacled flying fox (Pteropus conspicillatus) baby swaddled in cloth ready to sleep, being hand fed from syringe by volunteer wildlife carer wearing a Flying Fox Friend T-shirt, Tolga Bat Hospital,...

Juergen Freund / Spectacled flying fox (Pteropus conspicillatus) baby swaddled in cloth ready to sleep, being hand fed from syringe by Ashleigh Johnson, volunteer wildlife carer at Tolga Bat Hospital, Atherton, North...

Juergen Freund / Spectacled flying fox (Pteropus conspicillatus) baby swaddled in cloth ready to sleep, being hand fed from syringe by Ashleigh Johnson, volunteer wildlife carer at Tolga Bat Hospital, Atherton, North...

Juergen Freund / Spectacled flying fox (Pteropus conspicillatus) baby swaddled in cloth ready to sleep, being hand fed from syringe by Ashleigh Johnson, volunteer wildlife carer at Tolga Bat Hospital, Atherton, North...

Juergen Freund / Spectacled flying fox (Pteropus conspicillatus) baby swaddled in cloth ready to sleep, being hand fed from syringe by Ashleigh Johnson, volunteer wildlife carer at Tolga Bat Hospital, Atherton, North...

Juergen Freund / Spectacled flying fox (Pteropus conspicillatus) orphaned baby being hand fed with syringe by volunteer at Tolga Bat Hospital, Atherton, North Queensland, Australia. December 2007.

Stephen Belcher / Kakapo (Strigops habroptilus) chick fed by researcher, Codfish Island, New Zealand

Ann & Steve Toon / Common / Eurasian crane chick (Grus grus) being fed with artifical feeder, Great Crane captive breeding and reintroduction project, Wildfowl and Wetlands Trust, Slimbridge, Gloucestershire, UK, May 20...

Fabio Liverani / Asian Elephant (Elephas maximus) juveniles being hand fed by keeper, elephant orphanage of Pinnawela, Sri Lanka, Asia. June 2010

Laurent Geslin / Red squirrel (Sciurus vulgaris) fed by hand in urban park, in autumn, Paris, France.

Laurent Geslin / Red squirrel (Sciurus vulgaris) fed by hand in urban park in autumn, Paris, France.

Laurent Geslin / Red squirrel (Sciurus vulgaris) fed by hand in urban park in Paris, France, Autumn.

Laurent Geslin / Red squirrel (Sciurus vulgaris) fed by hand in urban park in Paris, France, Autumn.

Laurent Geslin / Rose-ringed / Ring-necked Parakeets (Psittacula krameri) being fed in the hand, in urban park, London, England, UK, November.

Laurent Geslin / Rose-ringed / Ring-necked Parakeets (Psittacula krameri) being fed in the hand, in urban park, London, England, UK, November.

Laurent Geslin / Rose-ringed / Ring-necked Parakeets (Psittacula krameri) being fed in the hand by an elderly lady, in urban park, London, England, UK, November.

Paul Hobson / Moorhens (Gallinula chloropus) being hand fed in snow, Yorkshire, England, UK. January.

Mike Potts / Stingray (Bathytoshia brevicaudata?) coming into shallow water to be fed by hand, Hamelin Bay, Western Australia, January

Mike Potts / Stingrays (Bathytoshia brevicaudata?) coming into shallow water to be fed by hand, Hamelin Bay, Western Australia, January 2009

Mike Potts / Stingray (Bathytoshia brevicaudata?) coming into shallow water to be fed by hand, Hamelin Bay, Western Australia, January 2009

Suzi Eszterhas / Sea otter {Enhydra lutris} 6 weeks pup being fed clams by hand in rehabilitation cage, Monterey Bay Aquarium, California, USA