Giant Otter, Pteronura brasiliensis 
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The giant otter or giant river otter (Pteronura brasiliensis) is a South American carnivorous mammal of the weasel family, Mustelidae. Atypical of mustelids, the giant otter is a social species, with family groups typically supporting three to eight members. The giant otter ranges across north-central South America; it lives mostly in and along the Amazon River and in the Pantanal.
Order:	Carnivora > Family:	Mustelidae > Genus:	Pteronura > Species:	Pteronura brasiliensis