Mammals
Southern River Otter
Lontra provocax · also called huillin
Slipping between freshwater rivers and coastal waters alike, a southern river otter survives today only in fragmented pockets of southern Chile and Argentina, the legacy of a twentieth century fur trade that pushed the species to the edge.
Overview
The southern river otter, Lontra provocax, is an Endangered mammal native to wetland, ocean, and coastal habitat across southern Chile and Argentina. Its history of severe fur-trade hunting, its unusual flexibility between freshwater and marine habitat, and its now-fragmented distribution make it one of the more conservation-critical otter species found anywhere in South America.
A survivor of the fur trade’s reach
Long targeted for a pelt once prized on international fur markets, the southern river otter has never fully recovered from twentieth-century hunting pressure, its populations today reduced to scattered pockets across a range it once occupied far more completely.
Status
Endangered, with populations remaining fragmented and declining across much of their historical range, driven by historical fur hunting and ongoing habitat degradation.
Southern River Otter: common questions
Why did the southern river otter decline so severely?
This species was hunted heavily for its fur throughout the twentieth century, a pressure that drove significant historical population declines across much of its range.
Can the southern river otter live in the ocean as well as rivers?
Yes, this species is found in both freshwater rivers and lakes as well as coastal marine habitat, an adaptable range compared with some other otter species restricted to fresh water alone.
What is the southern river otter called locally?
This species is known locally by the name huillin, a term used across parts of its range in southern Chile and Argentina.
Is the southern river otter still declining today?
Yes, this species remains fragmented and declining across much of its historical range, affected by both the historical legacy of fur hunting and ongoing habitat degradation.