1990: Fundraisers Jungle Jog and Zoobilation are held for the first time.
1991: The Seneca Park Master Plan is adopted by Monroe County Legislature. The same year, the Seneca Park Zoo Development Plan is adopted by the Monroe County Legislature.
1993: The Zoo's first orangutan is born. A male, Bandar, is born to parents Kumang and Jiggs. Bandar went to Omaha's Henry Doorly Zoo in November 1998.
1993: Genesee Trail and the Discovery Center opened. This exhibit was the first phase of the development plan funded by the Seneca Park Zoo Society and adopted by the Monroe County Legislature in 1991. The new exhibit was the first of the natural habitat, landscape immersion exhibits at the Zoo. This exhibit was built with $2 million dollars of Society-raised funds and $500,000 of County funds. Annual attendance is 250,000.
1994: The Zoo celebrated its centennial.
1996: Polar bear Aurora gave birth to her first cub, A female named Anoki was born on November 20. Anoki was transferred to the Rio Grande Biological Park in Albuquerque in December 1997 and now resides at the Maryland Zoo in Baltimore.
1997: The Rocky Coasts Exhibit was built with $7.75 million in County funds and $450,000 in Society-raised funds. This state-of-the-art facility provided Zoo animals with more spacious, natural homes. Zoo visitors were provided an incredible experience of seeing polar bears and sea lions under water. The Zoo's attendance reached a record-breaking 506,660.
1998: The Zoo's Visiting Animal Program began. Annual attendance was 361,783.
1999: Orangutans Jiggs and Kumang became parents to daughter, Dara, born on September 23.
1999: Polar bear, Aurora, gave birth to twin cub on November 27. A contest was held to name the twins and the winnings names were Qilak (the sky) and Sila (the Earth). Both were Inuit.
2001: The Seneca Park Zoo Master Plan was adopted by Monroe County Legislature. Jiggs, father to Kumang's daughter Dara, passes away at age 35.
2002: The Zoo's Butterfly Beltway program was initiated in to promote the conservation of Monarch butterflies.
2003: The Discovery Center was renamed the Kodak E.C.O. Center. Annual attendance was 343,420.
2004: The Zoo built the Animal Health and Education Complex, including a conference center, two classrooms, a state-of-the-art animal hospital and an interactive Zoologists of Tomorrow (Z.O.T.) Zone.
2005: The Zoo added a cougar exhibit. The new exhibit was specially designed with a glass viewing area to give visitors a nose-to-nose experience with the felines. The exhibit also includes a viewing tunnel, a protected dome that allows visitors to crawl into the exhibit and see these fascinating felines up close and personal.