There are 13 otter species, ranging from the small-clawed otter to the giant otter. They are all of which are semiaquatic, aquatic or marine. Otters are the only member of the weasel family that are ...

Otters are carnivorous mammals in the Lutrinae branch of the diverse Mustelidae family, which includes weasels, badgers, stoats, wolverines, and ferrets, among others. There are 13 living otter ...

A species of otter long considered to be extinct has recently resurfaced—literally. Footage of the "extinct" giant river otter bobbing its head from the water while on an afternoon swim has excited ...

The giant otter (Pteronura brasiliensis) is an endangered species, according to the International Union for Conservation of Nature (IUCN). A recently published report authored by more than 50 ...

Two Hungry Jaguars Are No Match for This Plucky Otter Two Hungry Jaguars Are No Match for This Plucky Otter 7 Surprising Facts About the Giant River Otter 7 ...

Otters are well known for their playful, energetic, and inquisitive behavior. However, did you know that otter play has a purpose other than just having fun? Or that otters are some of the most ...

Digital, 3-D reconstructions show the skulls — including the jaws — of the roughly 15-pound common otter Lutra lutra (left), and the roughly 110-pound Siamogale melilutra, a giant prehistoric otter ...

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 ...

Giant otters the size of wolves lived in rivers and lakes in south-western China some 6.2 million years ago, scientists have discovered. The otter, named Siamogale melilutra, weighed about 50kg (110 ...

Otters are truly fascinating creatures. These unique marine mammals are known for their dense coats, round bodies and expressive faces. Unless you're lucky enough to live by an ocean where sea otters ...

A massive, wolf-sized otter that lived about 6 million years ago may have been a dominant predator in its time, according to a new study analyzing the animal’s jaws. The research provides insight into ...

BUFFALO, N.Y. -- A massive, wolf-sized otter that lived about 6 million years ago may have been a dominant predator in its time, according to a new study analyzing the animal's jaws. The research ...