OBSERVATIONS ON THE DISTRIBUTION AND CONSERVATION STATUS OF THE NEOTROPICAL RIVER OTTER (Lontra longicaudis) IN THE COASTAL LAGOONS OF THE URUGUAYAN ATLANTIC BASIN AND THEIR MAIN TRIBUTARIES

Data gathered by the authors were collected during the execution of a conservation project developed in the UNESCO Biosphere Reserve 'Banados del Este', financed by the European Union (project URY/B7-6200/IB/97/0564).