Guanacos are back -- and getting into trouble -- says a team of scientists tracking these iconic hoofed mammals across a variety of landscapes on the Chilean side of the island of Tierra del Fuego.

The infant made her arrival around 2 p.m. in the Puente al Sur Exhibit, and took her first steps about an hour after birth. RELATED: Surprise! Giant panda gives birth to two cubs in Austria Zoo ...

SAN FRANCISCO — The San Francisco Zoo family has grown by one more after the birth of a guanaco Saturday, according to zoo officials. The infant made her arrival around 2 p.m. in the Puente al Sur ...

Pumas, like other large cats, are predacious animals that seek large prey capable of sustaining themselves and their cubs for extended periods. But sometimes, their large prey can be just a bit ...

SAN FRANCISCO -- The San Francisco Zoo family has grown by one more after the birth of a guanaco Saturday, according to zoo officials. The infant made her arrival around 2 p.m. in the Puente al Sur ...

Olivia, the last member of the guanaco herd at the Louisville Zoo, has been euthanized. The guanaco had been struggling with "age-related arthritic changes and mobility issues" that affected her ...

The San Francisco Zoo has just announced its newest addition: a baby female guanaco, born on Saturday at 2:00pm, and weighing under 30 pounds at birth. The chulengo — as baby guanacos are called — is ...

Guanacos (Lama guanicoe) are considered critically endangered in Bolivia and Paraguay. Fewer than 200 exist in Bolivia and as few as 20 in Paraguay. Guanacos in Bolivia and Paraguay are threatened by ...

The Louisville Zoo announced on its Facebook Tuesday that it lost one of its animals.The zoo’s female guanaco, Olivia, had to be euthanized after dealing with mobility issues that the zoo said were ...