Racine Zoo is looking forward to their 2021 concert series Brian is checking out their Eagle Exhibit complete with the zoo’s newest feathered friend. RACINE COUNTY, Wis. - Did you know that the oldest known gibbon in North America lives in Wisconsin? And he just celebrated a big birthday. Brian is at the Racine Zoo learning more about their primate named Yule who just turned 55 years old! Did you know that the oldest known gibbon in North America lives in Wisconsin? Brian is at the Racine Zoo learning more about their primate named Yule who just turned 55 years old! About Racine Zoo (website)