Giant otter safe distance of are proposed to offer further protection. The giant otter has lost as much as 80% of its South American range. While still present in a number of north-central countries, giant otter populations are under considerable stress. The IUCN lists Bolivia, Brazil, Colombia, Ecuador, French Guiana, Guyana, Paraguay, Peru, Suriname, and Venezuela as current range countries. Given local extinctions, the species' range has become discontinuous. Total population numbers are difficult to estimate. An IUCN study in 2006 suggested 1,000 to 5,000 otters remain. Populations in Bolivia were once widespread but the country became a "black spot" on distribution
Pan-American Highway (South America) Pan-American Highway (South America) The project of a Pan-American highway began in or before 1923. The main idea was to create a network of wide roads that would connect the major points of interest in North and South America with a single highway. The longest segment connects the Brazilian city of Macapá in Amapá State to Cayenne in French Guiana, Paramaribo by the East-West Link Highway in Suriname, Georgetown in Guyana, and Boa Vista city in Roraima Brazilian State. Boa Vista is connected with all the cities in Venezuela such as Ciudad Guayana, its easternmost city. The highway supports trade