Giant otters are the world’s largest species of otter, sometimes referred to as obo de río – the “river wolf”
Three giant otter pups born at Chester Zoo receive their first health check(Image: Chester Zoo)
Three adorable giant otters have been born at Chester Zoo, providing a rare population boost for the tragically endangered species. Fewer than 5,000 giant otters are believed to exist in the wild, where it is known as the “river wolf” due to its large, razor sharp teeth perfect for hunting in the Amazon River.
The otter triplets are the first of their kind to be born at the zoo in several years as part of an international conservation effort to bolster the species’ numbers.
Arriving to first-time parents Bonita and Manu on February 9, the pups remained tucked away in their cosy holt, being regularly fed until they tripled in size. Giant otters a the longest member of the weasel family (mustelidae), with some adults reaching a massive 6ft in length.
Giant otters are the largest members of the weasel family, with some measuring up to 6ft long(Image: Chester Zoo)
Following their first health check-up with the zoo’s veterinary team, conservationists have revealed the sex of the pups to be two males and a female – with names yet to be chosen.
Rachael Boatwright, assistant team manager of carnivores at Chester Zoo, said: “The arrival of these three giant otter pups is a hugely special moment and marks the first time the species has been born here in seven years.
“The pups recently had their very first health check-up at eight weeks old, where they were weighed and had their heart, teeth and overall condition assessed by the zoo’s vets. We’re delighted to confirm that all three are healthy and thriving – and that we have two males and one female pup.
“At eight weeks old, the pups will now start to venture outside alongside parents Bonita and Manu, who will start introducing them to the water and all of the essential skills they’ll need as they grow.”Giant otters are the world’s largest species of otter. In Spanish, they’re often referred to as obo de río – the “river wolf” – due to their powerful build, sharp teeth and highly social nature.
As one of the apex predators in the waterways where they live, they play a crucial role in maintaining the health and balance of freshwater ecosystems.
But the species faces an uncertain future as experts estimate that fewer than 5,000 giant otters remain across South America, having already disappeared entirely from parts of their former range.
The pups have tripled in size since they were born on February 9(Image: Chester Zoo)
Their decline has largely been driven by deforestation, water pollution and illegal hunting. The species is listed as endangered by the International Union for the Conservation of Nature (IUCN), meaning it faces a very high risk of extinction without urgent conservation action.
Kirsten Pullen, chief conservation officer at the zoo, said: “Every birth represents genuine hope for this highly endangered species, and these three giant otter pups are an important reminder of what conservation efforts around the world can achieve.
“Wild giant otter populations are facing enormous pressure from widespread habitat loss and pollution in their freshwater ecosystems, so the international conservation breeding programme has become a vital safety net for the species.
“By maintaining healthy, genetically diverse populations in conservation zoos like ours, while also supporting efforts to protect and restore habitats in the wild, we’re hopeful that giant otters can thrive long into the future.”Parents Manu and Bonita arrived at Chester from two European zoos as part of the endangered species breeding programme. The pair were carefully matched together based on their genetics to help play a role in securing a future for the species.