Neotropical River Otter

Neotropical River OtterMass: 5 to 15 kg (11 to 33 lbs)
Length: 36 to 66 cm (14.17 to 25.98 in)

The Neotropical River Otter (Lontra longicaudis) resides in swamps, streams, lagoons and lakes in Mexico and parts of South America (especially Brazil, Bolivia, Paraguay and Uruguay). It is the most widespread of the Lontra genus.

If you have seen a North American river otter, then you could easily imagine a Neotropical River Otter, for they are quite alike in appearance. However, the Neotropical River Otter is shorter, around the mouth, the areas are white, its body is long and circular. Neotropical River Otters possess a soft wool-like undercoat that is layered with guard hairs, the latter maintains dryness to the undercoat when it is wet. Unlike seals, the Neotropical River Otter does not have an insulating layer of fats, but instead they depend on this fur for dryness and warmth.

Its head is both round and flat, ears placed low, the muzzle is just short and whisker-filled. The neck is also short, it has eyes which are widely-spaced. The best description for the nose of a Neotropical River Otter would be trapezoid-like.

The back legs are longer than the front ones, allowing them to swim adequately.
If an otter is relaxed and swimming slowly, it could be seen paddling using all 4 paws, but if it is engaged in fast swimming (for example, being pursued, or chasing a prey), short paws are maintained close to its sides, the tail acts as a propeller. Its nostrils/ears could be closed when one is submerged.

Their diet mainly consists of mollusks and fish, but they are what we call opportunistic eaters, they can also eat birds, small reptiles or mammals.

This otter has no set breeding period, and just like its relative otters, a delayed implantation prior to breeding might occur. A newborn is born fully furred, but the eyes are shut, and these would open after approximately 44 days.

Interesting fact: One marks by scent via the leaving of feces on places like bridges or logs, and you know why? Experts believe this is an advertisement of one's gender.

Picture of the Neotropical River Otter © 2006 Carla Antonini, licensed under Attribution-ShareAlike 2.5

The La plata otter, long-tailed otter, neotropical otter, neotropical river otter, south american river otter is listed as Data Deficient (DD), inadequate information to make a direct, or indirect, assessment of its risk of extinction, on the IUCN Red List of Threatened Species

Namings for the neotropical river otter
A young / baby of a neotropical river otter is called a 'pup or whelp'. A neotropical river otter group is called a 'romp, bevy, lodge, family or raft'.
Some facts about the
Neotropical river otter

Adult weight : 7.5 kg (16.5 lbs)

Gestation : 57 days

Litter size : 3

Source: AnAge, licensed under CC

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