The North American river otter (Lontra canadensis), also known as the northern river otter and river otter, is a semiaquatic mammal that lives only on...

species Neotropical river otter, found in Central and South America North American river otter, found in North America Southern river otter, found in Chile...

Eurasian otter (Lutra lutra), also known as the European otter, Eurasian river otter, European river otter, common otter, and Old World otter, is a semiaquatic...

The Neotropical otter or Neotropical river otter (Lontra longicaudis) is an otter species found in Mexico, Central America, South America, and the island...

The southern river otter (Lontra provocax), or South American river otter, is an otter species that lives in the southern regions of Argentina and Chile...

Otters are carnivorous mammals in the subfamily Lutrinae. The 13 extant otter species are all semiaquatic, aquatic, or marine. Lutrinae is a branch of...

Rio was 21 and lived well past the median life expectancy of a North American river otter. Bubba Bubba, a male Queensland grouper, was believed to be the...

The giant otter or giant river otter (Pteronura brasiliensis) is a South American carnivorous mammal. It is the longest member of the weasel family, Mustelidae...

implied that the marine otter descended from the Asian small-clawed otter, and its closest relative being the North American river otter. A 2004 study contradicted...

Asian small-clawed otter (Aonyx cinereus), also known as the oriental small-clawed otter and the small-clawed otter, is an otter species native to South...