Coco has just celebrated her 58th birthday.
A chocolate brown Chimpanzee, who lives at Twycross Zoo, is now the oldest female chimpanzee in Europe.
Coco has been at the zoo since 1969 and since then has helped massively in the protection of her species.
She is mum to six children, more than 15 grandchildren and 3 great-grandchildren, including Tuli, the youngest chimp at Twycross Zoo.
Listen to Amanda Addison the Animal Team Manager Of Apes at Twycross Zoo here
Amanda Addison, the Animal Team Manager Of Apes at Twycross Zoo, said: "She's very important to the European breeding programme and she has created this huge genetic diversity."