Footage of the "extinct" giant river otter bobbing its head from the water while on an afternoon swim has excited the animal conservation community, which thought the species had died out in the wild.

In summer 2019, the group began to integrate a giant river otter that grew up in the Budapest Zoo in Hungary into the Iberá wetlands. Without conservation measures, though, otters likely wouldn ...

A boat-billed heron sat patiently on a snag overhanging the river. High on the very top of a tree was a massive nest of sturdy sticks. A pair of incredibly tall (5 feet) and heavy (15 pounds ...

The giant river otter had last been seen in Argentina in the 1980s. That was, until Sebastián Di Martino, the director of conservation at Rewilding Argentina, made the discovery of a lifetime ...

Giant otters sure have a lot to say. Scientists who studied the river-living animals in captivity and in the wild found that the adults have 22 different calls they use for different situations ...

CHACO PROVENCE, Argentina - A giant river otter hadn’t been spotted inside El Impenetrable National Park in more than 30 years, but that all changed on May 16. Sebastian Di Martino, conservation ...

Giant river otters are born with the gift of gab—and hums, whistles, growls, and something called a “hah!” too. Adults talk to each other and their pups using at least 22 different calls ...

A wild giant otter photographed in the Bermejo River in Argentina's El Impenetrable National Park. This is the first time the species has been seen in Argentina in more than 30 years.

Wondrous drama continues for Helen Blazis and her team on safari to the Pantanal in Brazil ...

Giant river otters, or Pteronura brasiliensis, are the world’s largest otters, reaching almost 6 feet long and weighing up to 72 pounds, Rewilding Argentina said in a news release.The species is ...