A new year's resolution for Britain's fattest orang-utan has paid off after she lost a quarter of her body weight.
Tubby Oshine tipped the scales at 100kg - more than double her natural weight - and after switching to a new regime has lost 25kg over the past year.
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.
Following intensive work by keepers at the rescue centre, Oshine has lost a quarter of her weight, is exercising and is now living with five other orang-utans.
She is also scaling a 20-metre climbing frame and has even adopted an orphaned baby orang-utan named Silvestre.
"The O-diet has worked amazingly well for Oshine," said director Dr Alison Cronin. "She has steadily lost a quarter of her body weight, amounting to 25kg over the year, and without it being too hard on her.
"Oshine has been eating a healthy diet of fruit, vegetables and lean protein, the same as the rest of our orang-utans.
"Combined with the exercise of climbing and playing with the youngsters in our orang-utan creche, she is much healthier and a lot more active.
"Oshine still has more than 20 more kilos to lose but we are so happy for her and pleased that her health has improved."