The zoo contends that the project would be much more complicated — and expensive — than simply dusting off the old tracks.

According to the zoo, “Early blue violets are the main food source for the silverspot caterpillars as they mature into adult ...

The Oregon Zoo has welcomed a new group of Pacific lamprey in an effort to restore the population of one of the Pacific Northwest’s oldest species. Although the zoo has had lamprey before, they said ...

The Oregon Zoo is the state's most popular paid tourist attraction, hosting more than 1.7 million visitors last year. The zoo and its foundation have capitalized on Oregonians' love of animals to ...

The Oregon Zoo’s newest baby elephant arrived over the weekend. At 4:29 p.m. Saturday, Rose-Tu gave birth to a calf that appeared to be a healthy girl, weighing in the vicinity of 200 pounds.

The newest addition to the Oregon Zoo is adorable, and it’s helping boost the population of a once-endangered species. A baby bontebok was born at the Zoo April 1 to Winter, his 8-year-old ...

The Oregon Zoo in Portland has welcomed its newest addition, a baby elephant. Thirty-year-old Asian elephant Rose-Tu gave birth on Saturday after 20 months of pregnancy, the zoo said in a news ...

PORTLAND, Oregon (KPTV) — A California condor at the Oregon Zoo’s Jonsson Center for Wildlife Conservation surprised keepers by laying a second egg just as her first one was hatching. The ...

Oregon Zoo elephant conservation lead Dr. Sharon Glaeser is shown visiting in June 2023 with Agathis, an orphaned Bornean elephant calf being cared for at the Borneo Elephant Sanctuary in Sabah, a ...