A critically endangered monkey has given birth just months after surgeons saved her foot in a pioneering operation. Masaya was the first ever roloway monkey to undergo surgery which removed a golf-ball sized mass from her foot. The 15-year-old primate had one toe amputated during the procedure at University of Liverpool’s Small Animal Teaching Hospital. Just months later, Masaya is walking tall after giving birth at Chester Zoo. Little Lagertha was born two weeks ago and is Masaya’s third