Soyono, a female Sumatran tiger affectionately known as Soy, was born at the National Zoo on June 14, 1993.

In September 2001, Soy had her first litter, a single male called Berani, who left the Zoo in 2005.

In May 2004, she had a litter of three male cubs, who left the Zoo in January 2006.

In May 2006, she had a litter of three cubs, two females and one male. The females have left for other zoos, but the male is still here.

Guntur is a male born to Soyono and Rokan on May 24, 2006. His name means thunder. The females born in the same litter, Melati and Maharani, have left for other zoos.

Damai, a female Sumatran tiger, came to the National Zoo in April 2011 from the San Diego Zoo Safari Park.

She made her debut in the great Cats exhibit in May 2011.

The Zoo hopes to bring a male tiger later in 2011 to breed with Damai, as recommended by the Association of Zoos and Aquariums’ Species Survival Plan for Sumatran tigers, which matches animals across the country to ensure genetic diversity in the population.