Oto, Japan’s oldest lion, died Monday of natural causes at the Toyohashi Zoo & Botanical Park in Aichi Prefecture, according to the zoo. She was 25½ years old — equivalent to about 100 human ...

The size of these animals varies by sex. Males average seven feet long (from nose to the tip of its tail) and weigh around 140 pounds, while females average six feet in length with a body weight ...