giant otter or giant river otter, pteronura brasiliensis, cuiaba river, near porto jofre, pantanal, brazil

adventure amazon america animal aquatic big branch brasiliensis brazil brazilian brown carnivore carnivorous cuiaba ecosystem endangered environment fur giant habitat head horizontal humid jungle log lying mammal nature otter pantanal portrait pteronura rain rainforest river south transpantaneira travel tree tropical trunk water wetland wild wildlife