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Southern River Otter

Lontra provocax

 

Identification

 

Size: From nose to tail the Southern River Otter is 100 to 116 cm long. The tail alone is 35 to 46 cm long.

Color: Dark brown with a tan belly.

Nose: The nose is low, flat, and arrow shaped, slightly pointed up.

Feet: This otter has webbed feet with very strong claws.

Fur: Very thick and sleek. The guardhairs are 1.5 to 1.7 cm long, the underhairs are 7 to 8 mm long.

Track/Sign: No info at this time.

 

Ecology

Habitat: This otter lives in lakes, rivers, lagoons, and other areas with calm water, preferentially inhabiting sites in densely forested areas. These otters can be found in marine environments providing they are near a source of fresh water.

Range/Distribution: The Southern River Otter inhabits southern Chile and western Argentina, and parts of Peru.

Threats: Major threats to this species include habitat loss, hunting for fur, and pollution. Poaching has significantly decreased the southern otter's population, and much of its habitat has been altered for farming.

Conservation Status: Endangered


 

Food: Crustaceans, mollusks, fish, bivalves, and birds. This otter feeds equally on fish and crustaceans in Chile, while in Argentina it prefers crustaceans.

 

Behavior

Life Cycle: Little is known about the life cycle of this species. It is assumed to be similar to those of related species. What is known is that they have a very short life span. Few live to maturity, and only 1% live 10 years of age.

Social: Southern River Otters are generally solitary, only coming together to mate. The female raises the pups alone, and there are no social groups beyond this.

Individual: This otter is largely nocturnal. They have territories like other otters, but the size of these territories is unknown. It appears that they are not particularly defensive of them.

 

About: The genus name, Lontra, simply means otter. The species, provocax, may mean "provocative", referring to this otter's high activity level.

Names:

Chilean river otter

Spanish: Huillin, Lobito patagonico, Nutria de Chile
French: Loutre du Chili
Dutch: Sudlicher Flussotter
Italian:Lontra di fiume del Chile

Subspecies:

None known.

 

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