Houston Zoo’s oldest orangutan, Cheyenne, has died at 52 years old
The oldest orangutan at the Houston Zoo died Sunday morning while in recovery after undergoing an emergency exam to diagnose ...
Dolly, the oldest rhino in the US, has died at a Tennessee zoo at age 56
KNOXVILLE, Tenn. (AP) — The oldest rhinoceros in the United States has died at a Tennessee zoo. Dolly was 56 years old.