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

Paul Souders/ Worldfoto / African Elephant (Loxodonta africana) orphaned calf bottle feeding, David Sheldrick Wildlife Trust, Nairobi, Kenya

Paul Souders/ Worldfoto / African Elephant (Loxodonta africana) orphaned calf bottle feeding, David Sheldrick Wildlife Trust, Nairobi, Kenya

Suzi Eszterhas / Common Wombat (Vombatus ursinus) five and a half month old joey bottle feeding, Bonorong Wildlife Sanctuary, Tasmania, Australia

Suzi Eszterhas / Harbor Seal (Phoca vitulina) orphaned pup and caretaker, Alaska SeaLife Center, Alaska

Suzi Eszterhas / Harbor Seal (Phoca vitulina) orphaned pup and caretakers, Alaska SeaLife Center, Alaska

Suzi Eszterhas / Snowy Egret (Egretta thula) caretaker, Nancy Teater, holding four week old chick, International Bird Rescue, Fairfield, California

Suzi Eszterhas / Great Egret (Ardea alba) caretaker, Isabel Luevano, examining one week old chick, International Bird Rescue, Fairfield, California

Suzi Eszterhas / Great Egret (Ardea alba) caretaker, Isabel Luevano, examining two day old chick, International Bird Rescue, Fairfield, California

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

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

Suzi Eszterhas / Sea Otter (Enhydra lutris) caretaker, Deanna Troeauga, placing three week old orphaned pup in water, Alaska SeaLife Center, Seward, Alaska

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

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

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

Gerry Ellis / Orangutan (Pongo pygmaeus) caretaker, Karmele Llano Sanchez, watching orphans during air pollution incident caused by fires, Yayasan IAR, Ketapang, West Kalimantan, Borneo, Indonesia. October, 2015

Gerry Ellis / Orangutan (Pongo pygmaeus) orphan resting on caretaker during air pollution incident caused by burning forests, Yayasan IAR, Ketapang, West Kalimantan, Borneo, Indonesia. October, 2015

Gerry Ellis / Orangutan (Pongo pygmaeus) caretaker, Karmele Llano Sanchez, carrying orphan during air pollution incident caused by burning forests, Yayasan IAR, Ketapang, West Kalimantan, Borneo, Indonesia. October...

Gerry Ellis / Orangutan (Pongo pygmaeus) caretaker bringing orphan supplemental food during air pollution incident caused by burning forests, Yayasan IAR, Ketapang, West Kalimantan, Borneo, Indonesia. October, 2015

Suzi Eszterhas / Malayan Pangolin (Manis javanica) three month old baby being weighed by caretaker, Carnivore and Pangolin Conservation Program, Cuc Phuong National Park, Vietnam

Suzi Eszterhas / Chinese Pangolin (Manis pentadactyla) three month old orphaned baby curled up inside jacket of caretaker, Taipei Zoo, Taipei, Taiwan

Suzi Eszterhas / Brown-throated Three-toed Sloth (Bradypus variegatus) caretaker feeding one year old baby, Aviarios Sloth Sanctuary, Costa Rica

Suzi Eszterhas / Paraguay Hairy Dwarf Porcupine (Sphiggurus spinosus) caretaker feeding orphaned newborn baby, Aviarios Sloth Sanctuary, Costa Rica

Suzi Eszterhas / Orangutan (Pongo pygmaeus) caretaker with infant playing in tree during forest exploration and training program, Orangutan Care Center, Borneo, Indonesia

Suzi Eszterhas / Hoffmann's Two-toed Sloth (Choloepus hoffmanni) with caretaker, Xinia Villegas, brushing orphaned baby, Aviarios Sloth Sanctuary, Costa Rica

Suzi Eszterhas / Orangutan (Pongo pygmaeus) caretaker with juvenile in forest during forest exploration and training program, Orangutan Care Center, Borneo, Indonesia

Suzi Eszterhas / Orangutan (Pongo pygmaeus) caretaker carrying juvenile in forest during forest exploration and training program, Orangutan Care Center, Borneo, Indonesia

Suzi Eszterhas / Orangutan (Pongo pygmaeus) caretaker holding juvenile, Orangutan Care Center, Borneo, Indonesia

Suzi Eszterhas / Orangutan (Pongo pygmaeus) two year old infant clinging to caretaker's back during forest walk, Orangutan Care Center, Borneo, Indonesia

Suzi Eszterhas / Orangutan (Pongo pygmaeus) two year old infant playing on caretaker during forest exploration and training, Orangutan Care Center, Borneo, Indonesia

Suzi Eszterhas / Orangutan (Pongo pygmaeus) caretaker with two year old infant during forest exploration and training program, Orangutan Care Center, Borneo, Indonesia

Suzi Eszterhas / Orangutan (Pongo pygmaeus) caretaker with infant in tree during forest exploration and training program, Orangutan Care Center, Borneo, Indonesia

Suzi Eszterhas / Orangutan (Pongo pygmaeus) caretaker with infant playing in tree during forest exploration and training program, Orangutan Care Center, Borneo, Indonesia

Suzi Eszterhas / Orangutan (Pongo pygmaeus) caretaker putting infants in tree for forest exploration and training, Orangutan Care Center, Borneo, Indonesia

Suzi Eszterhas / Orangutan (Pongo pygmaeus) infant in bath, Orangutan Care Center, Borneo, Indonesia

Suzi Eszterhas / Orangutan (Pongo pygmaeus) caretaker with infant at bath time, Orangutan Care Center, Borneo, Indonesia

Suzi Eszterhas / Orangutan (Pongo pygmaeus) caretaker with infant at bath time, Orangutan Care Center, Borneo, Indonesia

Suzi Eszterhas / Orangutan (Pongo pygmaeus) caretaker bottle-feeding one year old infant, Orangutan Care Center, Borneo, Indonesia

Suzi Eszterhas / Orangutan (Pongo pygmaeus) one year old infant held by caretaker, Orangutan Care Center, Borneo, Indonesia

Suzi Eszterhas / Orangutan (Pongo pygmaeus) caretaker bottle-feeding one year old infant, Orangutan Care Center, Borneo, Indonesia

Suzi Eszterhas / Hoffmann's Two-toed Sloth (Choloepus hoffmanni) orphaned baby fed by caretaker Xinia Villegas, Aviarios Sloth Sanctuary, Costa Rica

Tui De Roy / African Elephant (Loxodonta africana) orphans rescued and cared for by the David Sheldrick Wildlife Trust, Nairobi, Kenya

Suzi Eszterhas / Chimpanzee (Pan troglodytes) rescued infant named Leo being carried by caretaker Rodney Lemata, Ngamba Island Chimpanzee Sanctuary, Uganda

Suzi Eszterhas / Chimpanzee (Pan troglodytes) group playing with caretaker Bruce Ainebyona, Ngamba Island Chimpanzee Sanctuary, Uganda

Suzi Eszterhas / Chimpanzee (Pan troglodytes) being shown how to use twig to extract honey out of a hole by caretaker Rodney Lemata, Ngamba Island Chimpanzee Sanctuary, Uganda

Suzi Eszterhas / Chimpanzee (Pan troglodytes) rescued infant being carried by caretaker Rodney Lemata, Ngamba Island Chimpanzee Sanctuary, Uganda

Suzi Eszterhas / Chimpanzee (Pan troglodytes) holding hand of caretaker, Ngamba Island Chimpanzee Sanctuary, Uganda

Suzi Eszterhas / Chimpanzee (Pan troglodytes) rehabilitated group being fed by caretaker Stany Nyomolwi, Ngamba Island Chimpanzee Sanctuary, Uganda

Katherine Feng / Giant Panda (Ailuropoda melanoleuca) baby and care-taker being watched through the window by tourists wt the China Conservation and Research Center for the Giant Panda, Wolong Nature Reserve, China

Katherine Feng / Giant Panda (Ailuropoda melanoleuca) infant being cared for by Hu Hai Ping while tourists watch through window at the China Conservation and Research Center for the Giant Panda, Wolong Nature Reserve,...

Katherine Feng / Giant Panda (Ailuropoda melanoleuca) newborn held by Hu Hai Ping at the China Conservation and Research Center for the Giant Panda, Wolong Nature Reserve, China

Katherine Feng / Giant Panda (Ailuropoda melanoleuca) baby being fed with a bottle by care-taker, watched through the window by tourists at the China Conservation and Research Center for the Giant Panda, Wolong Nature...

Jami Tarris / African Elephant (Loxodonta africana) orphaned calf being bottle fed, David Sheldrick Wildlife Trust, Nairobi, Kenya

Suzi Eszterhas / Gray-shanked Douc (Pygathrix cinerea) and Douc Langur (Pygathrix nemaeus) orphans confiscated from illegal wildlife trade, held by rehabilitator, Bui Thi Hanh, Endangered Primate Rescue Center, Cuc Ph...

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

Suzi Eszterhas / Western Gray Squirrel (Sciurus griseus) caretaker, Andrea Rogers, holding five week old orphaned young, WildCare, San Rafael, California

Suzi Eszterhas / Eastern Fox Squirrel (Sciurus niger) caretaker, Andrea Rogers, feeding three week old orphaned young milk, WildCare, San Rafael, California

Suzi Eszterhas / Green Heron (Butorides virescens) caretaker, Isabel Luevano, examining eye of three week old chick, International Bird Rescue, Fairfield, California

Suzi Eszterhas / Green Heron (Butorides virescens) caretaker, Isabel Luevano, examining mouth of three week old chick, International Bird Rescue, Fairfield, California

Suzi Eszterhas / Green Heron (Butorides virescens) caretaker, Isabel Luevano, examining eye of three week old chick, International Bird Rescue, Fairfield, California

Suzi Eszterhas / Black-crowned Night Heron (Nycticorax nycticorax) caretaker, Isabel Luevano, casting wing of two week old chick, International Bird Rescue, Fairfield, California

Suzi Eszterhas / Black-crowned Night Heron (Nycticorax nycticorax) caretaker, Isabel Luevano, examining rescued chick, International Bird Rescue, Fairfield, California

Gerry Ellis / Orangutan (Pongo pygmaeus) orphan resting on caretaker during air pollution incident caused by burning forests, Yayasan IAR, Ketapang, West Kalimantan, Borneo, Indonesia. October, 2015

Gerry Ellis / Orangutan (Pongo pygmaeus) orphans and caretaker during air pollution incident caused by burning forests, Yayasan IAR, Ketapang, West Kalimantan, Borneo, Indonesia. October, 2015

D. Parer & E. Parer-Cook / African Elephant (Loxodonta africana) calf being bottle fed by caretaker, Daphne Sheldrick's Elephant Orphanage, Kenya

Suzi Eszterhas / Hoffmann's Two-toed Sloth (Choloepus hoffmanni) orphaned baby bottle feeding, Aviarios Sloth Sanctuary, Costa Rica

Suzi Eszterhas / Orangutan (Pongo pygmaeus) caretakers with infants in forest during forest exploration and training program, Orangutan Care Center, Borneo, Indonesia

Suzi Eszterhas / Orangutan (Pongo pygmaeus) caretaker bathing infant, Orangutan Care Center, Borneo, Indonesia

Suzi Eszterhas / Orangutan (Pongo pygmaeus) caretaker with juvenile in forest during forest exploration and training program, Orangutan Care Center, Borneo, Indonesia

Suzi Eszterhas / Orangutan (Pongo pygmaeus) caretaker offering food from forest to juvenile during forest exploration and training program, Orangutan Care Center, Borneo, Indonesia

Suzi Eszterhas / Orangutan (Pongo pygmaeus) caretaker giving water to juvenile, Orangutan Care Center, Borneo, Indonesia

Suzi Eszterhas / Orangutan (Pongo pygmaeus) caretaker with two year old infants during forest exploration and training program, Orangutan Care Center, Borneo, Indonesia

Suzi Eszterhas / Orangutan (Pongo pygmaeus) two year old infant playfully jumping on caretaker during forest exploration and training, Orangutan Care Center, Borneo, Indonesia

Suzi Eszterhas / Orangutan (Pongo pygmaeus) caretaker putting two year old infants in tree for forest exploration and training, Orangutan Care Center, Borneo, Indonesia

Suzi Eszterhas / Orangutan (Pongo pygmaeus) caretaker with infants playing in tree during forest exploration and training program, Orangutan Care Center, Borneo, Indonesia

Suzi Eszterhas / Orangutan (Pongo pygmaeus) caretaker with infant playing in tree during forest exploration and training program, Orangutan Care Center, Borneo, Indonesia

Suzi Eszterhas / Orangutan (Pongo pygmaeus) caretaker with infant playing in tree during forest exploration and training program, Orangutan Care Center, Borneo, Indonesia

Suzi Eszterhas / Orangutan (Pongo pygmaeus) caretaker with infant at bath time, Orangutan Care Center, Borneo, Indonesia

Suzi Eszterhas / Orangutan (Pongo pygmaeus) caretaker bathing infant, Orangutan Care Center, Borneo, Indonesia

Suzi Eszterhas / Orangutan (Pongo pygmaeus) caretaker with infant at bath time, Orangutan Care Center, Borneo, Indonesia

Suzi Eszterhas / Orangutan (Pongo pygmaeus) caretaker with infant at bath time, Orangutan Care Center, Borneo, Indonesia

Suzi Eszterhas / Orangutan (Pongo pygmaeus) caretaker drying off infant after bath, Orangutan Care Center, Borneo, Indonesia

Suzi Eszterhas / Orangutan (Pongo pygmaeus) caretaker bathing infant, Orangutan Care Center, Borneo, Indonesia

Suzi Eszterhas / Orangutan (Pongo pygmaeus) caretaker bathing infant, Orangutan Care Center, Borneo, Indonesia

Suzi Eszterhas / Orangutan (Pongo pygmaeus) caretaker with one year old infant, Orangutan Care Center, Borneo, Indonesia

Suzi Eszterhas / Orangutan (Pongo pygmaeus) caretaker with one year old infant, Orangutan Care Center, Borneo, Indonesia

Suzi Eszterhas / Orangutan (Pongo pygmaeus) one year old infant held by caretaker, Orangutan Care Center, Borneo, Indonesia

Suzi Eszterhas / Orangutan (Pongo pygmaeus) caretaker bottle-feeding one year old infant, Orangutan Care Center, Borneo, Indonesia

Suzi Eszterhas / Hoffmann's Two-toed Sloth (Choloepus hoffmanni) orphaned baby weighed by sanctuary worker Claire Trimer, Aviarios Sloth Sanctuary, Costa Rica

Suzi Eszterhas / Hoffmann's Two-toed Sloth (Choloepus hoffmanni) orphaned baby being brushed by caretaker Xinia Villegas, Aviarios Sloth Sanctuary, Costa Rica

Suzi Eszterhas / Hoffmann's Two-toed Sloth (Choloepus hoffmanni) orphaned baby being brushed by caretaker Xinia Villegas, Aviarios Sloth Sanctuary, Costa Rica

Suzi Eszterhas / Hoffmann's Two-toed Sloth (Choloepus hoffmanni) orphaned baby bottle fed by caretaker Xinia Villegas, Aviarios Sloth Sanctuary, Costa Rica

Suzi Eszterhas / Brown-throated Three-toed Sloth (Bradypus variegatus) released after rehabilitation by caretaker Santiago Chaggo, Aviarios Sloth Sanctuary, Costa Rica

Suzi Eszterhas / Brown-throated Three-toed Sloth (Bradypus variegatus) carried by caretaker Santiago Chaggo after injury from falling out of tree, Aviarios Sloth Sanctuary, Costa Rica

Suzi Eszterhas / Chimpanzee (Pan troglodytes) playing with caretaker Bruce Ainebyona, Ngamba Island Chimpanzee Sanctuary, Uganda