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Chester Zoo celebrates birth of UK’s only fossa pups in boost for ‘rare species’

SO cute.

Emily Sergeant Emily Sergeant - 10th October 2025

Conservationists at Chester Zoo are celebrating the birth of the UK’s only fossa pups in what is a huge boost for the ‘rare species’.

The four rare pups, who have been born to parents Shala and Zaza, are the first of their kind to be born in the UK this year, and one of only three litters born in all zoos across Europe in 2025, so not only are they a big deal for Chester Zoo, they’re a big deal globally too.

Carnivore experts at the zoo have hailed the arrival of the two male and two female pups as ‘vital new additions’ to an international breeding programme.

The breeding programme is working to ensure the continued survival of the already-rare species. 

Unsure what a fossa is? The fossa is a slender, cat-like mammal that can grow up to 6ft long and is adapted for a life in the trees, as they use their long tails for balance and can climb down headfirst with the help of retractable claws.

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The fossa is the largest natural predator in Madagascar, and is a highly-threatened species, with their currently estimated to be fewer than 2,500 of them remaining in the wild, largely due to mass deforestation.

Fossa pups are born blind, weighing about 100g (about the same as a small apple).

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They first leave their den several months after birth, and having been born on 8 July 2025, Chester Zoo’s new 12-week-old pups have now been spotted by zookeepers and zoo visitors venturing out for the first time.

“Welcoming four newborn fossa pups is such an incredible moment for us – and seeing them venture out of the den for the very first time has been a real privilege,” commented Dave Hall, who is the Team Manager of carnivores at the zoo.

“They’re already showing off their adventurous sides by climbing and exploring every branch they can find. Mum Shala certainly has her paws full when it comes to keeping track of them all, but she’s doing a brilliant job and is a very attentive mum.”

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Dave said the zoo is going to start drawing up a list of potential names as each of the pups grow and begin to develop more of their own distinct personality.

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He concluded: “The birth of this litter is a major boost for the international conservation breeding programme in zoos globally.

“We’re now really excited to see how they develop.”

Featured Image – Chester Zoo