Bisamratte vs Chestnut Pigmy

Ondatra zibethicus compared with Stigmella samiatella

Key Differences

• Bisamratte is Not Evaluated while Chestnut Pigmy is Least Concern.

Taxonomic Classification

Rank	Bisamratte	Chestnut Pigmy
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Rodentia (Rodents)	Lepidoptera (Butterflies & Moths)
Family	Cricetidae	Nepticulidae
Genus	Ondatra	Stigmella
Species	Ondatra zibethicus	Stigmella samiatella

Evolutionary Relationship

Bisamratte and Chestnut Pigmy share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Bisamratte

NE — Not Evaluated

Chestnut Pigmy

LC — Least Concern

Physical Characteristics

Attribute	Bisamratte	Chestnut Pigmy
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bisamratte

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Widely distributed across Asia (8 countries), Europe (37 countries), North America (United States), and South America (Argentina, Bolivia, Chile).

Chestnut Pigmy

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

Bisamratte

The Bisamratte (Ondatra zibethicus) is a species in the genus Ondatra. Typically found in diverse terrestrial and aquatic ecosystems.

Chestnut Pigmy

The Chestnut Pigmy (Stigmella samiatella) is a species in the genus Stigmella. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

Shared Countries

Both species can be found in 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden