Muskrat

They’re kind of like big, furry rats but with a different shape

Eric Bégin


Muskrat

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They’re kind of like big, furry rats but with a different shape

Population

A small, aquatic mammal native to North America and found widely across wetlands, ponds, lakes, and rivers. One of their most distinctive features is their long, flattened, scaly tail, which is not only a rudder during swimming but also a balancing tool when they stand upright.

Muskrats have a dense, waterproof fur that is typically brown, with a softer, lighter undercoat that provides insulation. This fur is highly valued in the fur trade, contributing to their widespread recognition. They have small, beady eyes, short legs, and strong claws that are well-adapted to their semi-aquatic lifestyle. Their webbed hind feet are particularly efficient for swimming.

One interesting aspect of muskrats is their ability to construct elaborate homes called “lodges” or “push-ups,” which they build using vegetation and mud. These lodges have underwater entrances, making them safe from predators and harsh weather conditions. Inside, the lodge is divided into compartments, including a nesting chamber that stays dry and warm.

Muskrats are primarily nocturnal and are most active during the night when they search for food. Their diet mainly consists of aquatic vegetation, such as cattails and water lilies, though they occasionally eat small fish, frogs, and crustaceans. This diet not only sustains them but also plays a crucial role in maintaining the ecological balance in their habitats by controlling the vegetation growth.

Socially, muskrats are interesting creatures. They typically live in family groups and show territorial behavior, especially during the breeding season. They communicate through a variety of sounds, including squeaks and chirps, and even use musk released from their glands to mark their territory, which is where their name comes from.

Distribution

Country
Population est.
Status
Year
Comments
Albania
2016
Introduced
Argentina
2016
Introduced
Austria
2016
Introduced
Belarus
2016
Introduced
Belgium
2016
Introduced
Bulgaria
2016
Introduced
Canada
2016
Chile
2016
Introduced
Czechia
2016
Introduced
Estonia
2016
Introduced
Finland
2016
Introduced
France
2016
Introduced
Germany
2016
Introduced
Gibraltar
2016
Introduced
Hungary
2016
Introduced
Italy
2016
Introduced
Japan
2016
Introduced
Latvia
2016
Introduced
Lithuania
2016
Introduced
Mexico
2016
Introduced
Moldova
2016
Introduced
Mongolia
2016
Introduced
Netherlands
2016
Introduced
Poland
2016
Introduced
Romania
2016
Introduced
Russia
2016
Introduced
Slovakia
2016
Introduced
Slovenia
2016
Introduced
Sweden
2016
Introduced
Switzerland
2016
Introduced
Ukraine
2016
Introduced
United States
2016

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Terrestrial / Aquatic

Altricial / Precocial

Polygamous / Monogamous

Dimorphic (size) / Monomorphic

Active: Diurnal / Nocturnal

Social behavior: Solitary / Pack / Herd

Diet: Carnivore / Herbivore / Omnivore / Piscivorous / Insectivore

Migratory: Yes / No

Domesticated: Yes / No

Dangerous: Yes / No