First telemetry data on wild individuals from the threatened, isolated Italian otter (Lutra lutra) population

The Eurasian otter ( Lutra lutra ) is among the most endangered mammals in Italy, its population being isolated and genetically distinct from other European populations. Yet, its ecology and behavior are largely unknown in Italy, preventing its much-needed effective conservation. We radio-tracked one male and one female otter daily in Southern Italy, for 1 year and 8 months, respectively. The male and female used nearly 30 and 20 km of river,...