Miniature Monkeys exhibit officially opened at Chester Zoo by Professsor Lord Robert Winston
Chester Zoo new Orang Utan baby Budi with mum Subis
Chester Zoo baby Bufallo.
BABY CHIMP AT CHESTER ZOO
Polar bear at Chester Zoo
Swiss-born Indian rhino Batschii is a real heavyweight
Image 4 for 'Chester Zoo celebrates 75th anniversary' gallery
2 Mallards sleeping on a waterfall feature in Chester Zoo.
John Birch's winning picture of Chester Zoo's two lions
Chimpanzees at Chester Zoo, Chester, cool down from the heat with ice lollies.
Chester Zoo 75th anniversary gallery
An unlikely friendship: Peter the terrier and Mowgli the lion at Chester Zoo
June Mottershead feeding the pelicans at Chester Zoo
June Mottershead and Mary the chimpanzee playing with June's doll at Chester Zoo
After long deliberations, the black rhino calf the first to be born at the zoo for 10 years, has been given the name Asani, Swahili for rebellious
Black-necked swans take to the water at Chester Zoo for the first time after hatching
Asian short clawed otters
Weighing just 85g, Chester Zoo's Humboldt Penguin