Photos show the historic reintroduction, which is part of an ongoing project to bring back a species considered locally extinct for over 40 years.

A family of giant river otters was released into the Iberá National Park in northeast Argentina on July 1. The endangered species, with no known breeding populations in Argentina over the past 40 ...

Conservationists released family of giant river otters in Iberá wetlands, a first-of-its-kind reintroduction for species considered locally extinct for decades.