
The National Zoo’s Jon Ballou has come up with new approaches that are helping save more than 100 species from extinction.
Where Do Zoo Babies Come From? Photograph by Matthew Worden

About a dozen red pandas live at the National Zoo’s Conservation and Research Center in Front Royal. Five cubs were born in a three-week stretch this summer, part of a baby boom at the zoo.
Where Do Zoo Babies Come From? Photograph by Mehgan Murphy

Kandula, who turns eight in November, was only the second Asian elephant in the world born through artificial insemination.
Where Do Zoo Babies Come From? Photograph by Jessie Cohen

The zoo maintains a stock of frozen sperm from black-footed ferrets. Last year, two ferrets were successfully inseminated with sperm from males that had died.
Where Do Zoo Babies Come From? Photograph by Mehgan Murphy

The zoo hopes to bring more cheetahs from Africa to its Conservation and Research Center. A nine-acre facility there can hold up to 12 adult cheetahs and their offspring.
Where Do Zoo Babies Come From? Photograph by Jessie Cohen

The research center sits on 3,200 acres and is nearly 20 times larger than the zoo’s DC location.
Where Do Zoo Babies Come From? Photograph by Jessie Cohen

Three clouded-leopard cubs were born at the Conservation and Research Center this year, the first the zoo has produced in 16 years.
Where Do Zoo Babies Come From? Photograph by Mehgan Murphy

Three clouded-leopard cubs were born at the Conservation and Research Center this year, the first the zoo has produced in 16 years.
Where Do Zoo Babies Come From? Photograph by Mehgan Murphy

Three clouded-leopard cubs were born at the Conservation and Research Center this year, the first the zoo has produced in 16 years.
Where Do Zoo Babies Come From? Photograph by Mehgan Murphy