A rhinoceros iguana residing at the Australia Zoo has made history. The 40-year-old iguana, named Rhino, was declared the oldest living rhinoceros iguana by Guinness World Records earlier this week, the reference book announced in a blog post published Wednesday. Get push notifications with news, features and more. + Follow Following You'll get the latest updates on this topic in your browser notifications. According to the post, Rhino nearly doubles the lifespan of the previous title holder, a wild-born specimen that lived to 22 years and 11 months at the Life Fellowship Bird Sanctuary in Seffner, Florida. The Australia Zoo, owned by Steve Irwin's widow, Terri Irwin, celebrated Rhino's achievement with a Guinness World Record certificate presentation. The zoo shared a photo on Twitter from the celebration, which featured Terri, her children, Bindi and Robert, and Bindi's husband, Chandler Powell, presenting the certificate to Rhino.