Sumatran tiger twins celebrate ninth birthday with tasty treats

Sumatran tiger siblings Cinta and Jular celebrated reaching middle-age on June 12 by unwrapping cake-shaped meat treats for their ninth birthday.

The tiger siblings are two of the few hundred Sumatran tigers alive today and are part of a critically endangered species. The average lifespan of the Sumatran tigers is about 15 to 25 years.