52-year-old orangutan, Cheyenne underwent an emergency veterinary examination on Sunday morning, Jan. 9, 2025, to help diagnose and treat a sudden illness. During the exam, evidence of a severe kidney infection was found, and she received initial treatment, according to the Houston Zoo blog post.

Cheyenne, a 52-year-old orangutan at the Houston Zoo, died from complications of a kidney infection, the zoo said.

The Houston Zoo had to say goodbye to the oldest orangutan at the facility after she died unexpectedly. Cheyenne, who was 52 years old, had an emergency veterinary examination Sunday morning after she came down with a sudden sickness.