Anup Shah / Lion cub (Panthera leo) aged less than 2 days crying for its mother's attention while others suckle. Masai Mara National Reserve, Kenya, September 2009

Anup Shah / Lion cubs (Panthera leo) aged less than 2 days suckling from their mother. Masai Mara National Reserve, Kenya, September 2009

Nick Upton / Female Samaa ringed seal (Pusa hispida saimensis) one of a total population of less than 250 of this Ringed seal subspecies, basking on a rock at sunset. Lake Saimaa, Finland, August 2010. Endangered.

Alex Mustard / A young Whaleshark (Rhincodon typus) less than 5m in length, 'botella' feeding on plankton near the surface, by hanging vertical in the water like a bottle. La Paz, Mexico. Sea of Cortez. October

Alex Mustard / A young Whaleshark (Rhincodon typus) less than 5m in length, 'botella' feeding on plankton near the surface, by hanging vertical in the water like a bottle. La Paz, Mexico. Sea of Cortez. October

Alex Mustard / A young Whaleshark (Rhincodon typus) less than 5m in length, feeding on plankton near the surface. La Paz, Mexico. Sea of Cortez. October

Alex Mustard / Young Whaleshark (Rhincodon typus) portrait, less than 5m in length, feeding on plankton near the surface. La Paz, Mexico. Sea of Cortez. October

Pete Oxford / Tailless Whip Scorpion (Heterophrynus sp), Mapari, Rupununi, Guyana

Pete Oxford / Tailless Whip Scorpion (Heterophrynus sp), Mapari, Rupununi, Guyana

Pete Oxford / Tailless Whip Scorpion (Heterophrynus sp), Mapari, Rupununi, Guyana

Anup Shah / Defassa waterbuck (Kobus ellipsiprymnus defassa) female suckling calf aged less than 3 months in the early morning light, Masai Mara National Reserve, Kenya. March.

Suzi Eszterhas / Black and White Colobus monkey (Colobus guereza) mother jumping through forest canopy with infant (less than one week old) Kibale Forest National park, Uganda.

Suzi Eszterhas / Black and White Colobus monkey (Colobus guereza) Mother running with infant (less than one week old) clinging to her, tail visible, Kibale Forest National park, Uganda

Anup Shah / Defassa waterbuck (Kobus ellipsiprymnus defassa)calf aged less than 3 months, running across the savanna grassland, Masai Mara National Reserve, Kenya. March.

Anup Shah / Defassa waterbuck (Kobus ellipsiprymnus defassa) female grooming her calf aged less than 3 months, Masai Mara National Reserve, Kenya. March.

Murray Cooper / Whip Spider showing spiky pedipalps, Amazon, Ecuador

Lisa Hoffner / Wild Cotton-top tamarin (Saguinus oedipus), climbing tree in the dry tropical forest carrying less-than-a week old baby on his back. Colombia, South America IUCN List: Critically Endangered

Anup Shah / Gelada baboon (Theropithecus gelada) juvenile 'helper' cuddles infant less than 1 month, Simien Mountains National Park, Ethiopia, November

Fiona Rogers / Gelada baboon (Theropithecus gelada) infant male, aged less than 1 month, Simien Mountains National Park, Ethiopia, November

Fiona Rogers / Gelada baboon (Theropithecus gelada) infant male, aged less than 1 month, Simien Mountains National Park, Ethiopia, November

Fiona Rogers / Gelada baboon (Theropithecus gelada) infant male, aged less than 1 month, Simien Mountains National Park, Ethiopia, November

Fiona Rogers / Gelada baboon (Theropithecus gelada) infants, one 9-12 months the other less than one month old, play wrestling at base of tree, Simien Mountains National Park, Ethiopia, November

Fiona Rogers / Gelada baboon (Theropithecus gelada) infants, one 9-12 months, the other less than one month old, play wrestling at base of tree, Simien Mountains National Park, Ethiopia, November

Suzi Eszterhas / Mountain gorilla (Gorilla gorilla berengei) mother grooming infant (less than one month old) Virunga Volcanoes National Park, Rwanda

Suzi Eszterhas / Mountain gorilla (Gorilla gorilla berengei) mother grooming infant (less than one month old) Virunga Volcanoes National Park, Rwanda

Suzi Eszterhas / Mountain gorilla (Gorilla gorilla berengei) mother grooming infant (less than one month) Virunga Volcanoes National Park, Rwanda

James Christensen / Tailless Whip Scorpion (Phrynus gervaisii) showing spiky pedipalps, Colon, Panama

Andy Rouse / Wandering albatross (Diomedea exulans) immature yet to fledge (less than one year old) South Georgia (non-ex)

Andy Rouse / Grizzly bear (Ursus arctos horribilis) feeding whilst less dominant bear looks on, Katmai, Alaska (non-ex)

Fiona Rogers / Ring-tailed Lemur (Lemur catta) infant (less than one month) in tree calling for mother. Berenty Private Reserve, Madagascar. Oct 2008.

Fiona Rogers / Ring-tailed Lemur (Lemur catta) females with babies less than one month riding on their backs, Berenty Private Reserve, Madagascar. Oct 2008.

Fiona Rogers / Ring-tailed Lemur (Lemur catta) female with infant (less than one month riding her back, portrait. Berenty Private Reserve, Madagascar. Oct 2008.

Fiona Rogers / Ring-tailed Lemur (Lemur catta) infant (less than 1 month) looking for something edible. Berenty Private Reserve, Madagascar. Oct 2008.

Fiona Rogers / Ring-tailed Lemur (Lemur catta) infant (less than 1 month), Berenty Private Reserve, Madagascar. Oct 2008.

Fiona Rogers / Ring-tailed Lemur (Lemur catta) baby (less than one month) venturing away from its mother. Berenty Private Reserve, Madagascar. Oct 2008.

Fiona Rogers / Ring-tailed Lemur (Lemur catta) baby (less than one month) trying to eat a small piece of soil. Berenty Private Reserve, Madagascar. Oct 2008.

Fiona Rogers / Ring-tailed Lemur (Lemur catta) baby (less than one month) licking a male in greeting, Berenty Private Reserve, Madagascar. Oct 2008.

Fiona Rogers / Ring-tailed Lemur (Lemur catta) baby (less than one month) licking a male in greeting, Berenty Private Reserve, Madagascar. Oct 2008.

Fiona Rogers / Ring-tailed Lemur (Lemur catta) female with infant (less than one month) riding on back, portrait. Berenty Private Reserve, Madagascar. Oct 2008.

Fiona Rogers / Ring-tailed Lemur (Lemur catta) female with baby (less than 1 month) feeding in a tree. Berenty Private Reserve, Madagascar. Oct 2008.

Anup Shah / Ring-tailed Lemur (Lemur catta) infant (less than one month) venturing away from mother. Berenty Private Reserve, Madagascar. Oct 2008.

Anup Shah / Ring-tailed Lemur (Lemur catta) infant (less than one month) inquisitively looking around while mother is feeding. Berenty Private Reserve, Madagascar. Oct 2008.

Anup Shah / Ring-tailed Lemur (Lemur catta) infant (less than one month) exploring tree, Berenty Private Reserve, Madagascar. Oct 2008.

Anup Shah / Ring-tailed Lemur (Lemur catta) infant (less than one month) exploring tree close to its mother, Berenty Private Reserve, Madagascar. Oct 2008.

Anup Shah / Ring-tailed Lemur (Lemur catta) female with infant (less than one month) portrait. Berenty Private Reserve, Madagascar. Oct 2008.

Anup Shah / Ring-tailed Lemur (Lemur catta) female with infant (less than one month) clinging to its mother's back. Berenty Private Reserve, Madagascar. Oct 2008.

Anup Shah / Ring-tailed Lemur (Lemur catta) infant (less than one month) portrait. Berenty Private Reserve, Madagascar. Oct 2008.

Anup Shah / Ring-tailed Lemur Lemur catta) female with infant (less than one month) feeding in a tree. Berenty Private Reserve, Madagascar. Oct 2008.

Anup Shah / Ring-tailed Lemur female (Lemur catta) with infant less than one month old riding on back. Berenty Private Reserve, Madagascar. Oct 2008.

Anup Shah / Ring-tailed Lemur (Lemur catta) female carrying infant (less than one month) on her back. Berenty Private Reserve, Madagascar. Oct 2008.

Anup Shah / Ring-tailed Lemur (Lemur catta) infant (less than one month) venturing out alone. Berenty Private Reserve, Madagascar. Oct 2008.

Nick Garbutt / Female Silvered langur (Trachypithecus cristatus / Presbytis cristata) carrying very young infant (less than 2 weeks). Bako NP, Sarawak, Borneo, Malaysia

Suzi Eszterhas / Antarctic Fur Seal {Arctocephalus gazella} Newborn pup (less than 2 days) with umbilical cord attached, Salisbury Plain, South Georgia

Suzi Eszterhas / Antarctic Fur Seal {Arctocephalus gazella} young pup (less than 1 week) Salisbury Plain, South Georgia

Suzi Eszterhas / Common Zebra {Equus quagga} mother and newborn foal (less than 3-days) Masai Mara Triangle, Kenya

Roger Powell / Modern Russian deep-sea trawlers moored in Batsfjord Harbour. The collapse of fish stocks has seen such new boats spending less and less time at sea. Varanger, Norway

Thomas Marent / Whip Spider (Phrynidae), Braulio Carrillo National Park, Costa Rica

Thomas Marent / Whip Spider (Phrynidae) on moss-covered tree, Braulio Carrillo National Park, Costa Rica

Juan Manuel Borrero / Lone barn on the steep tree-less slopes of Assua Valley in the Pyrenees mountains, Catalonia, Lerida, Spain

Suzi Eszterhas / Topi (Damaliscus lunatus) mother and less than 2 days old foal nursing, Masai Mara, Kenya

Suzi Eszterhas / Topi (Damaliscus lunatus) mother and less than 3 days old foal, Masai Mara, Kenya

Suzi Eszterhas / Burchell's Zebra (Equus burchellii) mother and less than 3 days old foal, Masai Mara, Kenya

Suzi Eszterhas / Burchell's Zebra (Equus burchellii) mother and less than 3 days old foal, Masai Mara, Kenya

Suzi Eszterhas / Burchell's Zebra (Equus burchellii) mother and less than 3 days old foal, Masai Mara, Kenya

Suzi Eszterhas / African Elephant (Loxodonta africana) mother and less than 3 weeks old calf, Masai Mara, Kenya

Suzi Eszterhas / African Elephant (Loxodonta africana) mother and less than 3 weeks old calf, Masai Mara, Kenya

Suzi Eszterhas / African Elephant (Loxodonta africana) mother and less than 3 weeks old calf, Masai Mara, Kenya

Suzi Eszterhas / African Elephant (Loxodonta africana) mother and less than 3 weeks old calf, Masai Mara, Kenya

Suzi Eszterhas / Masai Giraffe (Giraffa tippelskirchi) mother and less than 3 week old calf, Masai Mara, Kenya

Suzi Eszterhas / Masai Giraffe (Giraffa tippelskirchi) less than 3 week old calf running, Masai Mara, Kenya

Suzi Eszterhas / Masai Giraffe (Giraffa tippelskirchi) less than 3 week old calf running, Masai Mara, Kenya

Suzi Eszterhas / Antarctic Fur Seal (Arctocephalus gazella) pup less than 1 week old, Salisbury Plain, South Georgia

Piotr Naskrecki / Tailless Whip Scorpion (Heterophrynus sp) female showing spiky pedipalps, Guyana

Piotr Naskrecki / Tailless Whip Scorpion (Heterophrynus sp) male showing spiky pedipalps, Guyana

Piotr Naskrecki / Tailless Whip Scorpion (Heterophrynus sp) male showing spiky pedipalps, Guyana

Suzi Eszterhas / Spotted Hyena {Crocuta crocuta} mother mouthing newborn cub (less than 1-day) Masai Mara Conservancy, Kenya

Suzi Eszterhas / Spotted Hyena {Crocuta crocuta} mother picking up newborn cub (less than 1-day) Masai Mara Conservancy, Kenya

Suzi Eszterhas / Spotted Hyena {Crocuta crocuta} mother with newborn cub (less than 1-day) Masai Mara Conservancy, Kenya

Suzi Eszterhas / Harbor Seal (Phoca vitulina) young pup less than one week old, Elkhorn Slough, Monterey, California

Michael Durham / American Elk (Cervus elaphus nelsoni) male newborn calf less than 24 hours old Newborn calves like this one will lay still and do their best to hide when a threat is perceived, Sled Springs Elk Study...

Michael Durham / American Elk (Cervus elaphus nelsoni) male newborn calf less than 24 hours old Newborn calves like this one will lay still and do their best to hide when a threat is perceived, Sled Springs Elk Study...

Piotr Naskrecki / Whip Scorpion (Phrynus parvulus) young safe on their mother's back, stay with her until they are ready to feed on their own, Costa Rica

Piotr Naskrecki / Whip Scorpion (Phrynus parvulus) just molted, will be vulnerable for a few hours until cuticle hardens, Costa Rica

Piotr Naskrecki / Whip Scorpion (Phrynus parvulus) two males in territorial combat on a tree trunk in the lowland Atlantic rainforest of Costa Rica

Nick Barwick / Ecofriendly Biogas cooker, cattle dung is used as fuel (less firewood is taken from NP therefore) village within Bandhavgarh NP, Madhya Pradesh, India

Tony Heald / Baby African elephant {Loxodonta africana} less than 1-year, Etosha national park, Namibia.

Suzi Eszterhas / Common / Pacific Harbor Seal {Phoca vitulina} young pup, less than one-week, California, USA

Jane Burton / Domestic Cat {Felis catus} Tabby manx 'Stumpy' no tail

Mike Wilkes / Black heron fishing, Abuku NR, The Gambia, West Africa. Fish are attracted to shaded areas because they are less conspicuous to most predators.

Hermann Brehm / Black heron fishing under shade of its wings {Egretta ardesiaca} Botswana. Fish are attracted to shaded areas because they are less conspicuous to most predators.

Pete Oxford / Lear's Macaw (Anodorhynchus leari) feeding on palm nuts, less than 500 survive in the wild, Brazil

Pete Oxford / Lear's Macaw (Anodorhynchus leari) pair, feeding on palm nuts, less than 500 survive in the wild, Brazil

Pete Oxford / Lear's Macaw (Anodorhynchus leari) pair, feeding on palm nuts, less than 500 survive in the wild, Brazil

Pete Oxford / Lear's Macaw (Anodorhynchus leari) perching atop a cactus, less than 500 survive in the wild, Brazil

Pete Oxford / Lear's Macaw (Anodorhynchus leari) perching atop a cactus, less than 500 survive in the wild, Brazil