Dresena, the oldest known Malayan sun bear in captivity, was euthanized at Reid Park Zoo Tuesday, officials said. Read more»

The long wait is over, and Semba, an African elephant at Reid Park Zoo, delivered her calf at 10:55 p.m. Wednesday — just in time for Tucson's 239th birthday. Read more» 1

A young male Grevy's zebra died in an accident at Reid Park Zoo Monday morning. Read more»

Three African elephants arrived at their new home at Reid Park Zoo from San Diego on Tuesday night. Read more»

Snow has arrived in the desert in the form of a 17-year-old, 500-pound polar bear who is the Reid Park Zoo's latest addition. Read more»

While making morning rounds Aug. 10, keepers discovered a new addition to the Reid Park Zoo's menagerie: a baby tamandua, or lesser anteater. Read more»

After the recent tragedy of the death of a giraffe from oleander poisoning, the Reid Park Zoo finally has something to celebrate: the birth of three lion cubs, the zoo announced Tuesday. Read more» 1

A giraffe who ingested oleander cuttings at the Reid Park Zoo was in stable condition Thursday, said the zoo’s curator of education. Another giraffe who also ate the plant died Tuesday. Read more»

The only male giraffe at the Reid Park Zoo, Watoto, died Tuesday evening, zoo officials said. It's thought that Watoto accidentally ate oleander trimmings, which are toxic to many animals. Read more»

Boris, an 11-year-old polar bear at the Tucson Zoo, died Friday after a medical procedure. Read more» 2

Kitabu, an 18-year-old African lion at the Reid Park Zoo, died overnight of unknown causes. The lion had a stroke in February and "there was a noticeable decline in Kitabu's health over the past two days," said Vivian VanPeenen, curator of education for the zoo. Read more»