Muskrat, nutria, otter: characteristics and distinctive features from a beaver
Beginning hunters can not always determine who is in front of them: an otter, nutria or muskrat. And this is normal - the animals are actually similar. However, differences do exist. Which of these rodents is who, and will be described further.
What is the difference between muskrat and nutria and otter
Each of these representatives is a mammal that leads a semi-aquatic lifestyle. They are valued mainly for good fur, but in appearance and in the nature of their behavior they are completely different.
Did you know? Today, there are only 88–90 thousand otters on Earth. In the 18th century, their number was five times greater.
Nutria (literally translated from Spanish as otter) belongs to the Nutria family and is its only representative. Outwardly resembles a large rat. America is considered the birthplace of this animal.
Muskrat (musk rat) is a family of hamsters and is a rodent. Her genus is represented by one species. It differs from other rodents in large sizes. Initially, North America was considered the habitat, but in the twentieth century the animal was brought to Europe, where they perfectly took root and spread to Asia, taiga and forest-steppe.
The otter represents a squad of predators. It lives in fresh water. This animal, leading a mobile life, is found throughout Europe (except Switzerland and the Netherlands), Asia and North Africa.
Appearance
The first parameter by which animals can be distinguished is external data.
Otter
The size |
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The weight | 6-10 kg |
Color | Dark brown on top, silver on the bottom. |
Body shape |
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Fur |
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Muskrat
The size |
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The weight | 1–1.5 kg |
Color | Black, dark brown, brown on the back, yellowish on the belly. |
Body shape |
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Fur | Does not let water through, elastic, with soft undercoat. |
Nutria
The size |
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The weight | 5-12 kg |
Color | Chestnut. On the sides a little lighter, with a yellow tint. |
Body shape |
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Fur |
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Special characteristics of animals
The behavior and lifestyle of these animals has both common qualities and differences.
Otter | Muskrat | Nutria |
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All these animals are great swimmers. Therefore, if you decide to breed them at home, you should take care of a small reservoir in which the animals will splash. Otherwise, the quality of their fur will suffer greatly. Wild individuals need to be taken in infancy.
Otter Diet: Fish. But it can hunt crayfish, frogs, water rats. Sometimes birds and rodents can become victims. The animal can eat plant foods.
Mating otters usually occurs in spring (March - April), but in captivity they can mate all year. Pregnancy lasts 63 days. The brood is 2–4 puppies. Life expectancy up to 10 years.
Muskrat ration: Mostly plant foods: reeds, reeds, sow thistles, cattail, etc. It can eat small fish and leeches, but the proportion of these products does not exceed 5% of the diet.
In warm regions, this species can breed all year round, and in cold regions only in warm times (March - August). Pregnancy lasts 25-30 days. The litter contains 6–8 babies. Life expectancy of 5-10 years.
Nutria diet: In vivo, it can feed on crayfish, shellfish, and leeches. But the main diet is plant foods.
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The difference between muskrat, otter, nutria and beaver
All these animals are the only representatives of their families. But still there is a difference between them.
Otters differ in such characteristics:
- tail rounded, long, bare, more like a rat;
- maximum weight is 10-12 kg;
- can eat plant foods, river inhabitants, rodents;
- mainly lead a semi-nomadic lifestyle in search of food and shelter; they can live in abandoned animal dwellings;
- lead both day and night life styles, but their traces are hardly noticeable;
- Do not pose a threat to people.
Did you know? In Bangladesh, otters are used as hunting animals - they are trained to fish in the net.
Beavers have the following features:
- the tail is oar-shaped, flat, has a horn keel and is covered with plates;
- the average weight is 20-30 kg;
- It feeds exclusively on plant foods; its favorite food is wood;
- build huts and dams to ensure an adequate water level;
- lead a nocturnal lifestyle and traces of their activity are much more noticeable;
- often cause irreparable damage to a person.
As you can see, although these animals are similar at first glance, they have differences. Knowing all the features and characteristics, it is easy to distinguish each member of the otter family.