A sign outside Sandra’s cage explains that “orangutan” comes from the Malay expression for “person of the forest.” But she remains in a concrete cell in a Buenos Aires zoo and may never see the rainforests of her ancestors.

After a record-setting four-minute labor, a 19-year-old Bornean orangutan gave birth at the National Zoo on Monday night, the first such birth at the zoo for the critically endangered species in a quarter-century.

There’s a new giant panda in Madrid, and it’s the first female of the endangered species born at the Spanish capital’s zoo.

Zoo records show that an elephant transferred from Seattle’s Woodland Park Zoo to Oklahoma City Zoo last year has been bitten by her new herd members.

Oh baby, baby! Atlanta’s zoo says its giant panda is expecting her second set of twins. Zoo Atlanta said in a news release Tuesday that its veterinary team obtained an ultrasound image from Lun Lun confirming the presence of a second fetus.

The Oregon Zoo has released the last batch of its zoo-raised Oregon silverspot butterflies into the wild as it winds up a summer program aimed at boosting the numbers of the once-common yellow-and-black butterfly in coastal habitats.

Hundreds of Salt Lake City zoo visitors took shelter inside buildings Tuesday morning after a rare leopard escaped and fell asleep on a beam just above where visitors would have gathered to watch her.