A great-great-grandmother, Martha was known as "the grand old lady of Chester Zoo". Zoo keeper Chris Yarwood, who cared for Martha for the past 26 years, said she had been a "true ambassador for ...

Chester Zoo opened on 10 June 1931 and has been a conservation ... Parrots & Penguins – 18 years Chris Yarwood – Lead Keeper, Primates – 17 years- Isolde McGeorge – specialist keeper, ...