One of the world's smallest monkeys born at zoo

Drusillas Pygmy baby at DrusillasDrusillas
The baby pygmy marmoset was discovered by keepers on 5 August

A Sussex wildlife park has welcomed the birth of one of the world's smallest monkeys.

The unnamed baby pygmy marmoset, a species listed as vulnerable in the wild, was discovered by keepers at Drusillas Park, near Alfriston, on 5 August.

A zoo spokesperson said they could "just about make out a micro ball of fur clinging to mum Rosie’s back".

Drusillas is asking followers on social media to suggest a name for the mini monkey.

It is the first birth of the species at the zoo in over a decade.

Mother Rosie arrived at the zoo in January and keepers were hopeful that her pairing with resident male, Ben, would result in successful breeding efforts.

Drusillas Pygmy monkey at its motherDrusillas
The baby monkey was spotted clinging to its mother's back

Pygmy marmosets are native to South America and when fully grown only reach a height around 12-15cm (5-6 inches) in length and 100g (0.2lbs) in weight, making them one of the smallest mammal species on the planet.

Newborns measure around 3cm - roughly the size of a human thumb.

Zoo manager Mark Kenward said: "It’s wonderful news to announce.

"We’re always particularly proud when we welcome the birth of a species at risk of extinction, and it’s a privilege to play our part in conservation.”

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