Tigers and monkeys and tapirs, oh my! Joel Sartore's latest book, "National Geographic Photo Ark: Babies," captures the animal kingdom's most curious youngsters.

He responded well to treatment and is now healthy and being hand-raised by our animal care team,” the zoo said.

Those who looked at cute and cuddly photos of baby animals consistently outperformed their peers. Caring for babies not only involves tenderness but also requires careful attention to the babies ...