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