July 9, 2016 Fazenda Barranco Alto Otter festival July 9, 2016 Fazenda Barranco Alto This neotropical otter (Lontra longicaudis, lontra) mother showed up three weeks ago with two pups. Here on Fazenda Barranco Alto, in the rio Negro, these otters are common, diurnal and very comfortable in our presence. Fazenda Barranco Alto