Fiona Rogers / Eastern Chimpanzee (Pan troglodytes schweinfurthii) mother, twenty-three years old, holding less than one day old newborn, Gombe National Park, Tanzania

Suzi Eszterhas / Sea Otter (Enhydra lutris) mother with three day old newborn pup, Monterey Bay, California

Suzi Eszterhas / Sea Otter (Enhydra lutris) mother and three day old newborn pup, Monterey Bay, California

Suzi Eszterhas / Sea Otter (Enhydra lutris) mother and three day old newborn pup, Monterey Bay, California

Suzi Eszterhas / Sea Otter (Enhydra lutris) mother and six day old newborn pup, Monterey Bay, California

Ingo Arndt / European Beaver (Castor fiber) parent with newborn young inside lodge, Germany

Donald M. Jones / White-tailed Deer (Odocoileus virginianus) newborn fawn, western Montana

Fiona Rogers / Southern Plains Gray Langur (Semnopithecus dussumieri) newborn with mother, Jodhpur, Rajasthan, India

Chien Lee / Red Stink Bug (Pycanum rubeus) hatchlings cluster to amplify the effect of their aposematic warning coloration, Malaysia

Cyril Ruoso / Bonobo (Pan paniscus) newborn baby sleeping next to mother, Lola Ya Bonobo Sanctuary, Democratic Republic of Congo. Non-ex

Ole Jorgen Liodden / Lioness (Panthera leo) moving her newborn cub, Okavango, Botswana

Ingo Arndt / European Beaver (Castor fiber) grooming newborn baby inside lodge, Germany