A male Sumatran tiger named Asim attacked and killed Melati, a female of the same subspecies, shortly after he was allowed to enter her enclosure Feb. 8 at ZSL London…

The recent top stories from our Spanish-language service, Mongabay Latam, concerned hungry manatees in Venezuelan zoos; giant tortoises stolen from the Galápagos Islands; and a ban on free, prior and…

The Sumatran rhino captive breeding plan is poised for a re-evaluation — and a relaunch.

After 17 years, researchers finally unlock the mysteries of Sumatran rhino reproduction

Capturing Sumatran rhinos was one thing. Keeping them alive turned out to be another thing entirely.

This is the first article in our four-part series “The Rhino Debacle." It’s hardly the most likely place to meet a Sumatran rhino. But as you enter Zimmer Hall at…

Though it is a highly controversial practice due to the many ethical concerns it raises, the use of nonhuman primates (NHPs), mostly monkeys, as research subjects has led to advances…

JAKARTA — Puan, the world’s oldest living Sumatran orangutan, has died at an Australian zoo after a lifetime spent in service to the conservation of the critically endangered species. Officials…

The humanitarian crisis in Venezuela has become a crisis for wildlife and zoo animals too, as a hungry, desperate population hunts wild species for food.

The pangolin trade remains brisk, as conservationists scramble to identify populations and lobby for tough protections, while U.S. zoos make a controversial try to raise them.

Authorities in Madagascar seized almost 10,000 critically endangered tortoises earlier this month from a house suspected to be a waypoint for funneling them into Asia’s pet trade. The Turtle Survival…

Chimps have been taught to sound an alarm when poachers approach; polar bears and condors have been trained to avoid towns; and even butterflies can learn new tricks.

At turns haunting, humorous or just downright bizarre, the studio portraits of the thousands of animal species that photographer Joel Sartore has collected are more than just a catalog of…

Everyone loves turtles. Turtles and tortoises are often depicted as tranquil creatures possessing wisdom and longevity. These reptiles are indeed ancient survivors with a fossil record dating back over 200…

The Pangolin Consortium is mastering the art of helping pangolins thrive in captivity, which allows researchers to study the animals, aiding in their survival in the wild.

For the first time, a team of scientists has captured and then released a vaquita (Phocoena sinus), a rare porpoise in the Gulf of California, as part of a project…

Staff at Omaha’s Henry Doorly Zoo may never know what, exactly, caused the sudden death of Warren, a young male elephant about eight or nine years old who died recently…

JAKARTA — A panda couple arrived here on Thursday, kicking off a captive breeding program aimed at boosting the species’ population, which is already inching upward thanks to the efforts…

Taking a bath can be one of the more relaxing things in life – even for bald eagles. Pausing briefly to give us a curious look, the eagle dipped its…

The calls of howler monkeys, once wiped out in a Central American forest known as the Cockscomb Basin, now ring out in the canopy, and the scientists responsible couldn’t be…