A one-month-old female cheetah cub, left, delivered via a rare caesarian section, and her brother, right, delivered naturally but then abandoned by their mother, are held by their keepers after a feeding at the National Zoo in Washington, Wednesday, May 23, 2012. (AP Photo/Jacquelyn Martin)

A one-month-old female cheetah cub has her face cleaned by cheetah keeper Gil Myers at the National Zoo in Washington, Wednesday, May 23, 2012, after being fed milk from a bottle. Two cheetah cubs have been transported to the Smithsonian’s National Zoo to be raised by hand after a risky birth three weeks ago at the Smithsonian Conservation Biology Institute in northern Virginia. (AP Photo/Jacquelyn Martin)

A one-month-old female cheetah cub, left, delivered via a rare caesarian section, and her brother, delivered naturally but then abandoned, lick off what’s left of their meals after a feeding at the National Zoo in Washington, Wednesday, May 23, 2012. The cubs are expected to go on public view in late summer. (AP Photo/Jacquelyn Martin)

A one-month-old female cheetah cub, that was delivered via a rare cesarean section, gets her tiny claws stuck on cheetah keeper Gil Myers’ glove as she is bottle fed milk at the National Zoo in Washington, Wednesday, May 23, 2012. (AP Photo/Jacquelyn Martin)

A one-month-old female cheetah cub, that was delivered via a rare cesarean section, licks kitten food off a spatula at the National Zoo in Washington, Wednesday, May 23, 2012. (AP Photo/Jacquelyn Martin)

After a feeding, cheetah keeper Gil Myers cleans a one-month-old female cheetah cub, that was delivered via a rare caesarean section, Wednesday, May 23, 2012, at the National Zoo in Washington. The cub and her brother are expected to go on public display in the late summer. (AP Photo/Jacquelyn Martin)

Cheetah keeper Gil Myers holds a one-month-old female cheetah cub, at the National Zoo in Washington, Wednesday, May 23, 2012, that was delivered via a rare caesarian section. (AP Photo/Jacquelyn Martin)