Ko Raya : Five-day-old female elephant Ko Raya looks out of its enclosure 
beside her mother as the pair were presented to the public at Berlin's 
Zoologischer Garten zoo.

One of two rare and endangered male clouded leopard cubs born recently at the 
Smithsonian's Zoo Conservation Research Center in Front Royal, Va., March 24, 2009.

The cubs were born to a two-and-a-half-year-old clouded leopard. The leopards 
are vulnerable to extinction because of deforestation and hunting.

Primate keepers Louise Grossfeldt and Mandy McLellan display an infant 
Francois Langur (Trachypithecus francoisi) named Elke through the window 
of Taronga Zoo's Wildlife Hospital in Sydney, March 24, 2009. There are 
only about 1,000 of the critically endangered leaf-eating monkeys left, 
all in the limestone karst region of northeast Vietnam.

Kasper, right, a 3-month-old white lion cub, plays with zookeeper Nadja Radovic's 
hair in the lion's enclosure at Serbia's Belgrade Zoo March 18. The cub, an extremely 
rare subspecies of the African lion, was born at the zoo Dec. 9. White lions are unique 
to the Timbavati area of South Africa. They are not albinos but are a genetic rarity.