I just came across an article on the oldest donkey in the world - at least 54 yrs old - named Eeyore. I just couldn't resist posting this for you!!
http://www.dailymail.co.uk/news/article-1350017/Eeyore-54-worlds-oldest-donkey.html
http://www.dailymail.co.uk/news/article-1350017/Eeyore-54-worlds-oldest-donkey.html