Britain's fattest orangutan has lost a fifth of her body weight after changing her ways. Tubby Oshine tipped the scales at 100kg - more than double her natural weight - and after switching to a new regime has lost 20kg in the last 11 months. The 14-year-old ape has cut out sweets, jelly and marshmallows and instead tucks into a healthy diet of fruit, vegetables and plenty of exercise. Oshine arrived at Monkey World in Dorset last year from Johannesburg in South Africa having been kept as a pet for 13 years. Her sedentary and unnatural lifestyle meant her weight rocketed...

Credit : Monkey World/Ape Rescue Centre/PA