Suzi Eszterhas / Cheetah (Acinonyx jubatus) ambassador Chewbacca and Dr. Laurie Marker during an education program with Namibian school children, Cheetah Conservation Fund, Otijwarongo, Namibia

Michael Durham / A three year old boy with a Pacific Treefrog (Pseudacris regilla)

Flip Nicklin / Orca (Orcinus orca) watched by boy, Sea World, San Diego, California

Flip Nicklin / Orca (Orcinus orca) pair jumping, Sea World, San Diego, California

Jane Burton / Girl sitting with Golden Retriever bitch and three pups.

Mark Raycroft / Chow Chow (Canis familiaris) young girl hugging red dog

Jason Smalley / Young children playing on beach, UK

Pete Cairns / Three boys playing in the forest, Cairngorms National Park, Scotland, UK 2006 Model released.

Hermann Brehm / Native Inca children in traditional clothing with baby goats, Cusco, Peru, South America

Patricio Robles Gil / Pet Eclectus parrots {Eclectus roratus} perching on boys head and shoulders, New Britain, Papua New Guinea

Tim Edwards / Children involved in Woodland Ecology activities, Norbury Park, Surrey, UK, 1989

Philippe Clement / Children hiking, Belgium

John Cancalosi / Maydruna Indian children covered in mud. Amazon Basin, Peru. Tropical rain-forest.

Staffan Widstrand / Three girls on a walk in the woods in Sweden, summer

Luiz Claudio Marigo / Children shelter from rain under umbellas beside flooded forest, Amazonas, Brazil

Pete Oxford / Quechua indian child swimming, Añangu Community, Yasuni NP, Napo River, Ecuador

Pete Oxford / Quechua indian children swimming, Añangu Community, Yasuni NP, Napo River, Ecuador

Julia Bayne / Three children standing with bikes on path, Leicester, England

Julia Bayne / Three children cycling on path, Leicester, England

Mark Raycroft / German Shepherd (Canis familiaris) puppy held by a young girl

Mark Raycroft / German Shepherd (Canis familiaris) puppy held by a young girl

Mark Raycroft / Rottweiler (Canis familiaris) at a picnic with young girl

Gerry Ellis / Green Sea Turtle (Chelonia mydas) poached eggs being sold in market, Sabah, Borneo

Tui De Roy / Long-finned Pilot Whale (Globicephala melas) stranded pod of 65, young volunteers comfort and cool a cow and tiny calf while waiting for rising tide, Golden Bay, New Zealand

Mark Moffett / Local children show beetles they have collected for sale, Tam Dao National Park, Vietnam

Tui De Roy / Galapagos Giant Tortoise (Chelonoidis nigra) field trip to show children wild tortoises, Charles Darwin Research Station, Galapagos Islands, Ecuador

Flip Nicklin / Bottlenose Dolphin (Tursiops truncatus) interacting with children, Dolphin Quest Learning Center, Hawaii

Fred Bavendam / Galapagos Sea Lion (Zalophus wollebaeki) observed by guide and tourists, Mosquera Island, Galapagos Islands, Ecuador

Mark Moffett / Red Palm Weevil (Rhynchophorus ferrugineus) larvae cooked by Kutapae family, Hala, Papua New Guinea

Flip Nicklin / Bottlenose Dolphin (Tursiops truncatus) interacting with children, Dolphin Quest Learning Center, Hawaii

John Cancalosi / Mayoruna indian mother and children, Amazonia, Peru

John Cancalosi / Maya children playing in water, Lacandon rainforest, Chiapas, Mexico

Gerry Ellis / Pitcher Plant (Nepenthes sp) being learned about by junior high students in high conservation area within plantation, West Kalimantan, Borneo, Indonesia

Suzi Eszterhas / American Beaver (Castor canadensis) watched by children in urban environment, Martinez, California

Heidi & Hans-Juergen Koch / Bactrian Camel (Camelus bactrianus) carrying nomadic children, Gobi Desert, Mongolia

Winfried Wisniewski / Married Himba woman with child, Kaokoveld Desert, Namibia

Fred Bavendam / White-spotted Guitarfish (Rhynchobatus djiddensis) catch being cleaned by fisherman and his son, Western Australia, Australia

Cyril Ruoso / Baka boy playing with fruit in farm camp, Cameroon

Cyril Ruoso / Baka boy in a forest hunting camp, Cameroon

Onne van der Wal / Read, Billy and Adrian van der Wal posing on the boom of their Moorings Charter in Isla Espiritu Santo, Mexico.

Onne van der Wal / Read, Billy and Adrian van der Wal posing on the boom of their Moorings Charter in Isla Espiritu Santo, Mexico.

Onne van der Wal / Three children playing on a long sandy beach, South Island, New Zealand.

Onne van der Wal / Read, Billy and Adrian van der Wal posing on the boom of their Moorings Charter in Isla Espiritu Santo, Mexico.

Onne van der Wal / Read, Billy and Adrian van der Wal posing on the boom of their Moorings Charter in Isla Espiritu Santo, Mexico.

Onne van der Wal / Young people racing optimists.

Barry Bland / Children racing optimist dinghies, Wroxham Open Regatta Week, Wroxham Broads, Norfolk, England, UK.

Roberto Rinaldi / Children on the stairs to the Nanga Sumpa Iban longhouse, Delok river, Sarawak, Borneo. 2002

Onne van der Wal / Polynesian children beside a traditional boat, smiling for the camera in the Marquesas Islands, French Polynesia.

Roberto Rinaldi / Young Yapese dancers in traditional costume. The children are taught the movements and songs from a very early age, Yap, Micronesia

Katherine Feng / Giant Panda (Ailuropoda melanoleuca) eight day old baby and care-taker He Yong Guo being watched through the window by tourists at the China Conservation and Research Center for the Giant Panda, Wolon...

Thomas Mangelsen / Mountain Lion (Puma concolor) watchers hoping to get a glimpse of a mom and cubs living in den, Miller Butte, National Elk Refuge, Wyoming

Gerry Ellis / River ghetto, Amazon River, Iquitos, Peru

Norbert Wu / Reef-walking, Great Barrier Reef, Heron Island, Australia

Gerry Ellis / Young boy spear fishing at sunset in the mouth of the Kikori River Delta, Papua New Guinea

Mark Moffett / Donkey (Equus asinus) carrying two children between Sirjan and Kerman, Iran

Flip Nicklin / Bowhead Whale (Balaena mysticetus) has baleen removed by Inupiat Eskimos, Barrow, Alaska

Mark Moffett / Local animal trader with a German snake buyer, Tam Dao National Park, Vietnam

Mark Moffett / Tourists from cities come to Tam Dao for weekends and holidays, children playing in pool near the border of Tam Dao National Park, Vietnam

Mark Moffett / Schoolgirls Vu Hong Nhung and Hang Thi Thu share their home with a stuffed deer, Tam Dao National Park, Vietnam

Mark Moffett / Marjorie Matocq and James Patton examining mammals illegally caught for sale to tourists, Tam Dao National Park, Vietnam

Flip Nicklin / Bottlenose Whale (Hyperoodon ampullatus) researcher Hal Whitehead and children aboard Baleena tracking individuals, off Nova Scotia, Canada

Mark Moffett / Village woman and children, concealing attire, must be worn in public by all women over the age of seven, Kaht, Iran

Jim Brandenburg / Philipoosie Novalinge shows kids how to use crossbow, he was a role model for the documentary Nanook of the North, Ellesmere Island, Nunavut, Canada

Suzi Eszterhas / Sea Otter (Enhydra lutris) interacting with child, Seattle Aquarium, Seattle, Washington

Gary Braasch / Three children playing football in dried up rice fields after severe drought, Fu Lou Village, Guangdong, China. January, 2005.

Joel Sartore / Photo Ark / Southern three-banded armadillo (Tolypeutes matacus) uncurling and standing up. Then the animals walks around and leaves frame. Lincoln Children's Zoo, Nebraska. Captive.

Joel Sartore / Photo Ark / Three-banded armadillo (Tolypeutes matacus) walking around and exiting frame, Lincoln Children's Zoo. Captive.

Staffan Widstrand / Wild Wonders of China / Woman and three children on a scooter/motorbike, Xia Shan area in the Zhan Jiang city, Guangdong, China, November 2015.