LC

Least Concern

Version

2008

Sefass, T. & Polechla, P.

Hussain, S.A. & Conroy, J. (Otter Red List Authority)

This species is considered to be Least Concern as it is not currently declining at a rate sufficient for a threat category. By the early 1900s, river otters had declined throughout large portions of their historic range in North America. However, improvements in water quality (through enactment of clean water regulations) and furbearer management techniques have enabled river otters to reclaim portions of their range in many areas. Reintroduction projects have been particularly valuable in restoring otter populations in many areas of the United States. However, river otters remain rare or absent in the southwestern United States and water quality and development limit recovery of populations in some areas. The species is widely distributed throughout its range. In many places the populations have re-established themselves because of conservation initiatives (Polechla 1990). There is an ongoing discussion about the problem of reintroduction of river otters. In recent years it is feared that it may contaminate the genetic structure of the native population.