Denis-Huot / African Elephant (Loxodonta africana) baby playing with its mother. Masai-Mara Game Reserve, Kenya.

Mark MacEwen / Broad snouted caiman (Caiman latirostris) baby in mothers mouth being carried from nest, Sante Fe, Argentina, February

Dave Watts / Eastern grey kangaroo (Macropus giganteus) with joey in pouch, Australian Capital Territory, Australia, September

Anup Shah / Bornean Orangutan (Pongo pygmaeus wurmbii) baby aged 2-3 months belonging to Tata not yet named. Camp Leakey, Tanjung Puting National Park, Central Kalimantan, Borneo, Indonesia. June 2010. Rehabilita...

Edwin Giesbers / Female Orang Utan (Pongo pygmaeus) sitting, holding two young. One is her own offspring, the other was rejected by its birth mother, and so this female has adopted it. Both young are 3 months old.Capt...

Andy Rouse / African lion (Panthera leo) mother and very young cub, Masai Mara, Kenya, Africa

Mary McDonald / Masai giraffe {Giraffa camelopardalis} mother nuzzling baby, Lower Masai Mara GR, Kenya

Steven Kazlowski / Polar bear (Ursus maritimus) mother with cub, newly emerged from their den on the Arctic coast, eastern Arctic National Wildlife Refuge, Alaska

Uri Golman / White rhinoceros (Ceratotherium simum) mother and calf browsing. Entabeni Safari Conservancy, Limpopo region, Waterberg, South Africa, October

Fiona Rogers / Celebes / Black crested macaque (Macaca nigra) baby less than 1 month old in mothers arms, Tangkoko National Park, Sulawesi, Indonesia.

Fiona Rogers / Celebes / Black crested macaque (Macaca nigra) female with suckling infant aged 9-12 months, Tangkoko National Park, Sulawesi, Indonesia.

Anup Shah / Celebes / Black crested macaque (Macaca nigra) female sitting in a tree with her baby aged less than 1 month, Tangkoko National Park, Sulawesi, Indonesia.

Denis-Huot / African Elephant (Loxodonta africana) baby elephant its mother's trunk Amboseli National Park, Kenya.

Anup Shah / Western chimpanzees female 'Jire' aged 52 and her daughter 'Joya' aged 6 years and son 'Jeje' aged 13 years feeding on palm oil fruits stored by villagers, Bossou Forest, Mont Nimba, Guinea. December...

Anup Shah / Western chimpanzee (Pan troglodytes verus) female 'Fanle' aged 13 years and protecting her infant son 'Flanle' aged 3 years from an aggressive male, Bossou Forest, Mont Nimba, Guinea. January 2011.

Anup Shah / Western chimpanzee (Pan troglodytes verus) infant male 'Flanle' aged 3 years wearing on his head a 'head support' used by villagers to carry heavy items made from palm leaves being chased by his mot...

Fiona Rogers / Western chimpazee (Pan troglodytes verus) female 'Fanle' aged 13 years with suckling infant male 'Flanle' aged 3 years, Bossou Forest, Mont Nimba, Guinea. January 2011.

Anup Shah / African lion (Panthera leo) lioness resting with her two playful cubs aged 1-2 months, Masai Mara National Reserve, Kenya. March

Doc White / Humpback Whale (Megaptera novaeangliae) mother and calf. Tonga, South Pacific, September.

Doc White / Humpback Whale (Megaptera novaeangliae) mother and calf at sea surface. Tonga, South Pacific, September.

Doc White / Humpback Whale (Megaptera novaeangliae) mother and calf. Tonga, South Pacific, September.

David Pattyn / Great Crested Grebe (Podiceps cristatus) with two young chicks on her back. La Dombes lake area, France, July.

Suzi Eszterhas / Mountain Gorilla (Gorilla gorilla beringei) mother holding five month old twin babies, Parc National des Volcans, Rwanda

Suzi Eszterhas / Mountain Gorilla (Gorilla gorilla beringei) mother holding five month old twin babies, Parc National des Volcans, Rwanda

Sumio Harada / Black Bear (Ursus americanus) mother and cub near tree den, Glacier National Park, Montana

Alex Hyde / Wolf Spider (Xerolycosa nemoralis) female carrying egg sac, photographd on a white background. Aosta Valley, Monte Rosa Massif, Pennine Alps, Italy. July.

Hiroya Minakuchi / Red Kangaroo (Macropus rufus) mother grazing with joey in pouch, Australia

Mark Carwardine / Ring-tailed lemur {Lemur catta} baby on mother's back, portrait, Berenty Private Reserve, southern Madagascar

Mark Carwardine / Ring-tailed lemur {Lemur catta} baby on mother's back, portrait, Berenty Private Reserve, southern Madagascar

Mark Carwardine / Walrus (Odobenus rosmarus) mother and pup swimming in the water, Igloolik, Foxe Basin, Nunavut, Arctic Canada

Mark Carwardine / Walrus (Odobenus rosmarus) mother and pup in the water together, Igloolik, Foxe Basin, Nunavut, Arctic Canada

Mark Carwardine / Aerial view of Blue whale + calf {Balaenoptera musculus} Sea of Cortez, Mexico

Mark Carwardine / Melon headed whale + calf bow riding {Peponocephala electra} Maldives

Suzi Eszterhas / Bengal Tiger (Panthera tigris tigris) six week old cub on sleeping mother at den, Bandhavgarh National Park, India

Suzi Eszterhas / Bengal Tiger (Panthera tigris tigris) six week old cub on mother paw at den, Bandhavgarh National Park, India

Suzi Eszterhas / Bengal Tiger (Panthera tigris tigris) five week old cub resting on sleeping mother at den, Bandhavgarh National Park, India

Suzi Eszterhas / Bengal Tiger (Panthera tigris tigris) mother and four week old cubs at den, Bandhavgarh National Park, India

Suzi Eszterhas / Bengal Tiger (Panthera tigris tigris) mother and four week old cubs at den, Bandhavgarh National Park, India

Christophe Courteau / Mountain Gorilla (Gorilla beringei) female holding baby in dense vegetation in Volcanoes National Park, Rwanda, at an altitude of 3000m, short dry season, February

Christophe Courteau / Mountain gorilla (Gorilla beringei) baby in mother's arms. 3000 metres above sea level in Volcanoes National Park, Rwanda. Short dry season, February

Christophe Courteau / Proboscis monkey (Nasalis larvatus) female in mangroves, carrying her baby on her front. Bako National Park, Sarawak, Borneo, Malaysia

Steven Kazlowski / Spirit bear (Ursus americanus) sow with dark cub walking on a log at high tide, along the coastal rainforest of the central British Columbia coast, Canada

Steven Kazlowski / Polar bear (Ursus maritimus) sow and cub sliding on their backs over the pack ice, much like ice skating, 1002 coastal plain of the Arctic National Wildlife Refuge, Alaska, USA

Andy Trowbridge / Great Grey Owl (Strix nebulosa) adult and chicks on nest. Nest 'frame' is manmade. Ostersund, Sweden. June.

Andy Trowbridge / Great Grey Owl (Strix nebulosa) adult bringing food to chicks on nest. Nest 'frame' is manmade. Ostersund, Sweden. June.

Andy Trowbridge / Yellow-eyed Penguins (Megadyptes antipodes) vocalising with chick. Endangered species. Katiki Point, Moeraki, Otago, New Zealand. January.

Anup Shah / Western lowland gorilla (Gorilla gorilla gorilla) female 'Mopambi' sitting with her playful infant 'Sopo' aged 18 months, Bai Hokou, Dzanga Sangha Special Dense Forest Reserve, Central African Republi...

Anup Shah / Western lowland gorilla (Gorilla gorilla gorilla) female 'Mopambi' sitting with her playful infant 'Sopo' aged 18 months, Bai Hokou, Dzanga Sangha Special Dense Forest Reserve, Central African Republi...

Anup Shah / Western lowland gorilla (Gorilla gorilla gorilla) female 'Mopambi' sitting with her playful infant 'Sopo' aged 18 months, Bai Hokou, Dzanga Sangha Special Dense Forest Reserve, Central African Republi...

Anup Shah / Western lowland gorilla (Gorilla gorilla gorilla) female 'Mopambi' carrying her infant 'Sopo' aged 18 months on her back crossing a river in Bai Hokou, Dzanga Sangha Special Dense Forest Reserve, Cent...

Anup Shah / Western lowland gorilla (Gorilla gorilla gorilla) female 'Mopambi' carrying her infant 'Sopo' aged 18 months on her back feeding on sedge grasses in Bai Hokou, Dzanga Sangha Special Dense Forest Reser...

Anup Shah / Western lowland gorilla (Gorilla gorilla gorilla) female 'Mopambi' carrying her infant 'Sopo' aged 18 months on her back walking through Bai Hokou, Dzanga Sangha Special Dense Forest Reserve, Central...

Anup Shah / Western lowland gorilla (Gorilla gorilla gorilla) female 'Mopambi' carrying her infant 'Sopo' aged 18 months on her back walking through Bai Hokou, Dzanga Sangha Special Dense Forest Reserve, Central...

Anup Shah / Western lowland gorilla (Gorilla gorilla gorilla) female 'Mopambi' carrying her infant 'Sopo' aged 18 months on her back walking through Bai Hokou, Dzanga Sangha Special Dense Forest Reserve, Central...

Anup Shah / Western lowland gorilla (Gorilla gorilla gorilla) female 'Mopambi' carrying her infant 'Sopo' aged 18 months on her back walking through Bai Hokou, Dzanga Sangha Special Dense Forest Reserve, Central...

Anup Shah / Western lowland gorilla (Gorilla gorilla gorilla) female 'Mopambi' with her infant 'Sopo' aged 18 months sitting in Bai Hokou, Dzanga Sangha Special Dense Forest Reserve, Central African Republic. Dec...

Anup Shah / Western lowland gorilla (Gorilla gorilla gorilla) female 'Malui' carrying her stillborn infant on her back, Bai Hokou, Dzanga Sangha Special Dense Forest Reserve, Central African Republic. December 20...

Anup Shah / Western lowland gorilla (Gorilla gorilla gorilla) female 'Malui' tending to her stillborn infant, Bai Hokou, Dzanga Sangha Special Dense Forest Reserve, Central African Republic. December 2011.

Anup Shah / Western lowland gorilla (Gorilla gorilla gorilla) infant 'Sopo' aged 18 months running to his mother 'Mopambi' in Bai Hokou, Dzanga Sangha Special Dense Forest Reserve, Central African Republic. Decem...

Anup Shah / Western lowland gorilla (Gorilla gorilla gorilla) infant 'Sopo' aged 18 months running to his mother 'Mopambi' in Bai Hokou, Dzanga Sangha Special Dense Forest Reserve, Central African Republic. Decem...

Anup Shah / Western lowland gorilla (Gorilla gorilla gorilla) infant 'Sopo' aged 18 months running to his mother 'Mopambi' in Bai Hokou, Dzanga Sangha Special Dense Forest Reserve, Central African Republic. Decem...

Anup Shah / Western lowland gorilla (Gorilla gorilla gorilla) infant 'Sopo' aged 18 months running to his mother 'Mopambi', who is feeding on grass, Bai Hokou, Dzanga Sangha Special Dense Forest Reserve, Central...

Anup Shah / Western lowland gorilla (Gorilla gorilla gorilla) female 'Mopambi' carrying her infant 'Sopo' aged 18 months on her back emerging from the forest into Bai Hokou, Dzanga Sangha Special Dense Forest Res...

Anup Shah / Western lowland gorilla (Gorilla gorilla gorilla) female 'Malui' carrying her stillborn infant on her back, Bai Hokou, Dzanga Sangha Special Dense Forest Reserve, Central African Republic. December 20...

Anup Shah / Western lowland gorilla (Gorilla gorilla gorilla) female 'Mopambi' sitting with her playful infant 'Sopo' aged 18 months, Bai Hokou, Dzanga Sangha Special Dense Forest Reserve, Central African Republi...

Anup Shah / Western lowland gorilla (Gorilla gorilla gorilla) female 'Mopambi' sitting with her playful infant 'Sopo' aged 18 months, Bai Hokou, Dzanga Sangha Special Dense Forest Reserve, Central African Republi...

Fiona Rogers / Western lowland gorilla (Gorilla gorilla gorilla) infant 'Sopo' aged 18 months riding on his mother 'Mopambi's' back, Bai Hokou, Dzanga Sangha Special Dense Forest Reserve, Central African Republic. D...

Fiona Rogers / Western lowland gorilla (Gorilla gorilla gorilla) female 'Malui' carrying her stillborn infant in her arms, Bai Hokou, Dzanga Sangha Special Dense Forest Reserve, Central African Republic. December 20...

Mary McDonald / Northern Plains grey Langur (Semnopithecus entellus) baby holding onto mother, Bandhavgarh National Park, Madhya Pradesh, India

Steven Kazlowski / Moose (Alces alces) cow suckling her newborn calves. Tony Knowles Coastal Trail, Anchorage, south-central Alaska, May.

Steven Kazlowski / Moose (Alces alces) cow with a newborn calf. Tony Knowles Coastal Trail, Anchorage, south-central Alaska, May.

Steven Kazlowski / Moose (Alces alces) cow with a newborn calves grazing on spring grass. Tony Knowles Coastal Trail, Anchorage, south-central Alaska, May.

Anup Shah / Lioness (Panthera leo) playing with young cub aged 3-6 months, Masai Mara National Reserve, Kenya, August

Anup Shah / Olive baboon (Papio cynocephalus anubis) female grooming another females baby, Masai Mara National Reserve, Kenya, August

Anup Shah / Olive baboon (Papio cynocephalus anubis) female with baby aged 1-3 months being groomed, Masai Mara National Reserve, Kenya, September

Anup Shah / Lioness (Panthera leo) playing with a cub aged 9-12 months, Masai Mara National Reserve, Kenya, August

Anup Shah / Lioness (Panthera leo) playing with a cub aged 9-12 months, Masai Mara National Reserve, Kenya, August

Andy Rouse / Polar bear (Ursus arctos maritimus) mother rolling in snow watched by new year cubs, 6 months old, Svalbard, Arctic

Andy Rouse / Cheetah (Acinonyx jubatus) young siblings learning how to hunt Thomson's gazelle fawn (Eudorcas thomsoni) mother cheetah in background, Masai Mara National Reserve, Kenya

Andy Rouse / African lion (Panthera leo) mother and cub calling to others in pride, Masai Mara National Reserve, Kenya

Roy Mangersnes / Lioness (Panthera leo) moving her newborn cub, Okavango, Botswana, November.

Ernie Janes / Bantam hen (Gallus gallus domesticus) close up sitting on chick, Norfolk, UK, April.

Danny Green / Brown Bear (Ursus arctos) and cubs in wooded meadow. Finland, Europe, June.

Danny Green / Brown Bear (Ursus arctos) and cub. Finland, Europe, June.

Anup Shah / Bornean Orangutan (Pongo pygmaeus wurmbii) female baby 'Putri' aged 2 years riding on her mother's back reaching out with curiosity. Camp Leakey, Tanjung Puting National Park, Central Kalimantan, Born...

Anup Shah / Bornean Orangutan (Pongo pygmaeus wurmbii) female 'Unyuk' carrying her daughter 'Ursula' aged 4 years on her back. Camp Leakey, Tanjung Puting National Park, Central Kalimantan, Borneo, Indonesia. Jun...

Anup Shah / Bornean Orangutan (Pongo pygmaeus wurmbii) male baby 'Thor' aged 8-9 months peering from behind his mother. Camp Leakey, Tanjung Puting National Park, Central Kalimantan, Borneo, Indonesia. June 2010....

Anup Shah / Bornean Orangutan (Pongo pygmaeus wurmbii) male baby 'Thor' aged 8-9 months swinging from a liana. Camp Leakey, Tanjung Puting National Park, Central Kalimantan, Borneo, Indonesia. July 2010. Rehabili...

Anup Shah / Bornean Orangutan (Pongo pygmaeus wurmbii) male baby 'Thor' aged 8-9 months hanging from his mother. Camp Leakey, Tanjung Puting National Park, Central Kalimantan, Borneo, Indonesia. July 2010. Rehabi...

Anup Shah / Bornean Orangutan (Pongo pygmaeus wurmbii) female baby 'Petra', age 12 months. Camp Leakey, Tanjung Puting National Park, Central Kalimantan, Borneo, Indonesia. July 2010. Rehabilitated and released (...

Anup Shah / Bornean Orangutan (Pongo pygmaeus wurmbii) female baby 'Petra' aged 12 months. Camp Leakey, Tanjung Puting National Park, Central Kalimantan, Borneo, Indonesia. July 2010. Rehabilitated and released (...

Anup Shah / Bornean Orangutan (Pongo pygmaeus wurmbii) female 'Unyuk' cuddling her daughter 'Ursula', age 4 years. Camp Leakey, Tanjung Puting National Park, Central Kalimantan, Borneo, Indonesia. June 2010. Reha...

Fiona Rogers / Bornean Orangutan (Pongo pygmaeus wurmbii)female 'Unyuk' and her daughter 'Ursula' aged 4 years. Camp Leakey, Tanjung Puting National Park, Central Kalimantan, Borneo, Indonesia. June 2010. Rehabilita...

Fiona Rogers / Bornean Orangutan (Pongo pygmaeus wurmbii) age 3-6 months being groomed by it's mother 'Gina'. Camp Leakey, Tanjung Puting National Park, Central Kalimantan, Borneo, Indonesia. June 2010. Rehabilitate...

Fiona Rogers / Bornean Orangutan (Pongo pygmaeus wurmbii) female 'Unyuk' holding her daughter 'Ursula' age 4. Camp Leakey, Tanjung Puting National Park, Central Kalimantan, Borneo, Indonesia. June 2010. Rehabilitate...

David Tipling / 2020VISION / Mute swan (Cygnus olor) adult with cygnets on water, Woodwalton Fen, Cambridgeshire, UK, June