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Head to head

Southern River Otter vs South American Fur Seal

Southern River Otter
VS
South American Fur Seal

Both mammals share a history of intensive fur hunting, but their modern recovery stories could hardly be more different.

Southern River Otter South American Fur Seal
Scientific name Lontra provocax Arctocephalus australis
Classification A mustelid, an otter A pinniped, a fur seal
Historical threat Hunted heavily for fur in the twentieth century Hunted so intensively that populations collapsed by over 90%
Recovery Still fragmented and declining Recovered substantially, now increasing
Conservation status Endangered Least Concern
Population trend Decreasing Increasing
Habitat flexibility Both freshwater and coastal marine habitat Coastal marine habitat
Habitat Wetlands, ocean, coastal Ocean, coastal

Southern River Otter vs South American Fur Seal: common questions

Which one has recovered more successfully from historical hunting?

The South American fur seal has recovered far more successfully, now increasing across much of its historical range, unlike the southern river otter, which remains fragmented and declining.

Which one is a mustelid rather than a pinniped?

The southern river otter is the mustelid, related to weasels and badgers, while the South American fur seal instead is a pinniped related to sea lions.

Which one can live in both freshwater and marine habitat?

The southern river otter can do this, found in both freshwater rivers and coastal marine waters, unlike the South American fur seal, which is restricted to coastal marine habitat.

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