A giant otter born in Sweden is out in the wild in Argentina with his family

A giant otter born at Parken Zoo in Eskilstuna, Sweden, is living outside with his family in Argentina. SVT reported on October 21, 2026, that Nanay has been released with his partner Arianha and their seven young, in an area where the species had disappeared. He left Eskilstuna in 2021 to find a partner and raise a family.

Zoologist Linn Lagerström, quoted from a zoo press release, told SVT that releasing a large predator is a big job: the animals have to find food and find their way in a new landscape. She said he has had several litters and a partner, and that he is managing without people. The photo caption on the same story says a transmitter on his back is being used to track him, so the release is being followed.

The zoo statement SVT was quoting places the family in the Iberá wetlands, where Fundación Rewilding Argentina has been working to bring giant otters back. SVT's account does not spell out the day-to-day care. It does say the animals are out, and that people can still see where Nanay goes.